HI01 – Health, Fitness & Wellness: Fitness, Nutrition and Lifespan Health

1. Which structure produces antibodies in response to a specific foreign antigen?

•          B-lymphocytes (plasma cells)

•          Red blood cells

•          Platelets

•          Skeletal muscle cells
Explanation: When activated by exposure to a specific antigen, B-lymphocytes differentiate into plasma cells that produce large quantities of antibodies tailored to that particular threat. These antibodies bind to the antigen, marking it for destruction or neutralizing it directly. This targeted antibody response is a defining feature of the adaptive immune system, distinguishing it from the body's more general, non-specific defenses.

2. Match each function with the corresponding body system.

•          Produces insulin to regulate blood sugar: Endocrine system

•          Enables the sense of touch and temperature detection: Integumentary system

•          Pumps blood throughout the body: Circulatory system

•          Breaks down large food molecules into usable nutrients: Digestive system

•          Allows for movement through muscle contraction: Muscular system
Explanation: The endocrine system releases hormones such as insulin to regulate long-term physiological processes like blood sugar control, while the integumentary system, primarily the skin, detects touch and temperature through specialized nerve receptors. The circulatory system relies on the heart to continuously pump blood, and the digestive system mechanically and chemically breaks food down into nutrients the body can absorb. The muscular system works in tandem with the skeletal system to produce voluntary movement.

3. Which two health conditions pose the greatest risk for an elderly individual with limited mobility who lives alone and has a poor diet? (Choose 2)

•          Malnutrition

•          Pressure ulcers (bedsores)

•          Chickenpox

•          Common cold
Explanation: Limited mobility combined with a poor diet significantly raises the risk of malnutrition, as reduced access to varied, nutrient-rich foods can lead to deficiencies over time. Prolonged immobility also increases the risk of pressure ulcers, which develop when sustained pressure on the skin restricts blood flow to the area. Both conditions are preventable with proper caregiving support, making them key concerns for isolated individuals with reduced mobility.

4. A daycare worker is caring for a child recently diagnosed with pertussis (whooping cough). Which measure offers the most effective long-term protection for other staff members?

•          Wearing gloves at all times

•          Confirming Tdap vaccination status

•          Using hand sanitizer only

•          Increasing classroom ventilation
Explanation: Pertussis is a highly contagious bacterial respiratory infection, and the Tdap vaccine provides the most reliable long-term protection against contracting and spreading the disease. While hygiene measures and improved ventilation can help reduce transmission somewhat, they do not offer the durable immunity that vaccination provides. Ensuring all staff members are current on their Tdap vaccination is the most effective preventive strategy in a high-exposure childcare setting.

5. Which physiological adaptations occur in response to consistent aerobic training? (Choose 3)

•          Increased mitochondrial density in muscle cells

•          Improved oxygen extraction efficiency

•          Lower resting heart rate

•          Reduced lung elasticity

•          Decreased cardiac output capacity
Explanation: Regular aerobic training increases the density of mitochondria within muscle cells, allowing tissues to generate energy more efficiently during sustained activity. This is accompanied by improved oxygen extraction, meaning muscles can pull more oxygen from the blood for use during exercise. As the heart becomes stronger and more efficient overall, resting heart rate typically decreases as a marker of improved cardiovascular fitness.

6. Which negative outcomes are associated with a long-term lack of physical activity? (Choose 3)

•          Reduced flexibility and joint mobility

•          Increased risk of certain cancers

•          Improved mental clarity

•          Higher likelihood of developing insulin resistance

•          Enhanced cardiovascular endurance
Explanation: A long-term lack of physical activity leads to reduced flexibility and joint mobility, as muscles and connective tissue lose elasticity without regular use. Sedentary behavior has also been linked to a higher incidence of certain cancers, potentially due to its effects on inflammation and hormone regulation. Additionally, inactive muscles become progressively less responsive to insulin, increasing the risk of developing insulin resistance and, eventually, type 2 diabetes.

7. Which action should be taken first when a conscious adult is choking and unable to speak or cough?

•          Perform abdominal thrusts (the Heimlich maneuver)

•          Give the person water to drink

•          Lay the person flat and wait

•          Encourage the person to keep talking
Explanation: When a person is choking and unable to speak or cough, this indicates a complete airway obstruction that requires immediate intervention through abdominal thrusts. This maneuver uses a sudden burst of pressure to help dislodge the object blocking the airway. Waiting or offering water in this situation could worsen the obstruction and delay life-saving intervention.

8. Which habits contribute to good oral health over time? (Choose 3)

•          Drinking fluoridated tap water

•          Using a fluoride toothpaste twice daily

•          Chewing sugar-free gum after meals

•          Brushing only once a week

•          Avoiding all dental visits
Explanation: Fluoridated tap water helps strengthen tooth enamel and reduce the incidence of cavities across a population, complementing the benefits of fluoride toothpaste used twice daily. Chewing sugar-free gum after meals stimulates saliva production, which naturally helps neutralize acids and clear away food particles. Together, these habits form a comprehensive approach to preventing decay and supporting long-term oral health.

9. Which sleep stage serves as a transitional period between wakefulness and deeper sleep, marked by slowed brain waves and reduced muscle activity?

•          Stage 1

•          Stage 3

•          REM

•          Stage 2
Explanation: Stage 1 sleep represents the lightest stage of the sleep cycle, functioning as a brief transitional period between wakefulness and true sleep. During this stage, brain waves begin to slow and muscle activity decreases, though a person can still be easily awakened. This stage typically lasts only a few minutes before progressing into the deeper stages of the sleep cycle.

10. What is the generally recommended amount of sleep per night for infants aged 4 to 12 months?

•          6-8 hours

•          12-16 hours

•          9-11 hours

•          18-20 hours
Explanation: Infants between 4 and 12 months old require a substantial 12 to 16 hours of sleep, including naps, to support their rapid brain and physical development. This age group experiences some of the fastest growth of any developmental stage, making adequate rest critical during this window. Sleep during infancy also plays a key role in strengthening the immune system and supporting early cognitive development.

11. Match each function with the nutrient category most responsible for it.

•          Supplies 4 calories of energy per gram: Carbohydrates

•          Supplies 9 calories of energy per gram: Fats

•          Provides the amino acids needed to synthesize new proteins: Protein

•          Is broken down into glucose for cellular energy: Carbohydrates

•          Helps maintain healthy cell membranes: Fats

•          Supports the growth and repair of tissue: Protein
Explanation: Fats provide the most concentrated source of energy at roughly 9 calories per gram, more than double the 4 calories per gram supplied by carbohydrates or protein. Carbohydrates are broken down into glucose to serve as the body's primary and most readily accessible fuel source. Protein, meanwhile, supplies the amino acids necessary for tissue growth, repair, and the ongoing maintenance of the body's structural components.

12. Which term describes the rate at which a carbohydrate-containing food raises blood glucose levels?

•          Basal metabolic rate

•          Glycemic index

•          Caloric density

•          Protein efficiency ratio
Explanation: The glycemic index ranks carbohydrate-containing foods according to how quickly and significantly they raise blood glucose levels after consumption. Foods with a high glycemic index cause rapid spikes in blood sugar, while low-glycemic foods produce a slower, more gradual rise. Understanding this concept helps individuals, particularly those managing diabetes, make more informed dietary choices to maintain stable blood sugar levels.

13. Why might a dietician recommend steel-cut oats over instant, heavily processed oatmeal?

•          They contain added sugar

•          They digest more slowly, promoting sustained energy

•          They have a shorter cooking time

•          They contain no dietary fiber
Explanation: Steel-cut oats undergo minimal processing, which preserves their fiber structure and causes them to digest more slowly than instant oatmeal. This slower digestion leads to a more gradual release of glucose into the bloodstream, promoting sustained energy and reduced hunger throughout the morning. Instant oatmeal, by contrast, is often more processed and may contain added sugars that diminish its overall nutritional value.

14. Which of the following is considered a healthy, balanced snack choice for sustained energy?

•          A handful of mixed nuts

•          A bag of potato chips

•          A sugary energy drink

•          A doughnut
Explanation: A handful of mixed nuts provides a combination of healthy fats, protein, and fiber that promotes sustained energy without the rapid blood sugar spike associated with processed snacks. This nutrient density also supports satiety, helping to prevent overeating later in the day. Choosing whole-food snacks like nuts over highly processed alternatives is a simple way to support consistent energy levels.

15. Which food is typically avoided by individuals following a pescatarian diet?

•          Fish

•          Shellfish

•          Chicken

•          Eggs
Explanation: A pescatarian diet excludes meat from land animals such as chicken, beef, and pork, while still permitting the consumption of fish and other seafood. This distinguishes it from vegetarian diets, which exclude all animal flesh, including fish. Many people adopt a pescatarian diet for its balance of plant-based foods and the nutritional benefits associated with seafood, such as omega-3 fatty acids.

16. Sudden facial swelling and difficulty breathing after eating peanuts are hallmark signs of which condition?

•          Lactose intolerance

•          Anaphylaxis

•          Acid reflux

•          Gluten sensitivity
Explanation: Facial swelling combined with difficulty breathing after exposure to a known allergen like peanuts is a classic presentation of anaphylaxis, a severe and potentially life-threatening allergic reaction. This reaction occurs when the immune system releases a surge of chemicals that cause rapid swelling and airway constriction. Immediate treatment with epinephrine and emergency medical care is essential in this situation.

17. Which outcome is most likely for an individual who transitions from a sedentary lifestyle to regular moderate exercise and improved nutrition?

•          Increased resting blood pressure

•          Improved insulin sensitivity

•          Decreased lung function

•          Weakened cardiovascular efficiency
Explanation: Regular moderate exercise combined with better nutrition improves the body's ability to use insulin effectively, allowing cells to absorb glucose from the bloodstream more efficiently. This improved insulin sensitivity reduces the risk of developing type 2 diabetes and supports more stable energy levels throughout the day. Over time, these lifestyle changes also contribute to better cardiovascular health and overall metabolic function.

18. An offensive lineman on a football team has a BMI of 34, which falls in the obese category. What is the most appropriate consideration when evaluating his health?

•          His BMI conclusively proves poor cardiovascular health

•          BMI may not accurately reflect his body composition due to muscle mass

•          He should stop all physical training immediately

•          His BMI is irrelevant to any health assessment
Explanation: Athletes with significant muscle mass, such as football linemen, often have BMI readings in the obese range despite having relatively low body fat percentages. This occurs because BMI is calculated using only height and weight, without accounting for the composition of that weight. A more accurate health evaluation for such an individual would involve body fat percentage measurements rather than BMI alone.

19. Which food item requires washing under running water to reduce surface bacteria before consumption?

•          Grapes

•          Raw salmon

•          Ground pork

•          Raw eggs (shell)
Explanation: Grapes and similar produce should be rinsed under running water to remove dirt, residual pesticide, and surface bacteria before being eaten. Raw proteins such as salmon, pork, and eggs should not be rinsed, as doing so risks spreading bacteria to nearby surfaces through splashing. Understanding which foods require washing and which do not is an essential part of safe food handling practice.

20. At which of the following moments is thorough handwashing most important for preventing illness transmission?

•          Before eating a meal

•          After making a phone call

•          Before turning on a light switch

•          After reading a magazine
Explanation: Washing hands before eating removes bacteria and viruses that may have been picked up from surfaces or objects throughout the day, preventing them from being transferred directly to the mouth. This is one of the most important moments for hand hygiene, given how directly it impacts the likelihood of ingesting harmful pathogens. Establishing this habit consistently helps reduce the spread of common illnesses such as colds and gastrointestinal infections.

21. Which of the following are recognized warning signs of clinical depression? (Choose 4)

•          Persistent feelings of sadness or emptiness

•          Loss of interest in previously enjoyable activities

•          Increased energy and motivation

•          Changes in appetite or weight

•          Difficulty sleeping or oversleeping

•          Heightened social engagement
Explanation: Persistent sadness and a loss of interest in previously enjoyable activities are two of the most commonly recognized core symptoms of clinical depression. These emotional changes are frequently accompanied by physical symptoms, including noticeable shifts in appetite, weight, and sleep patterns. Together, these signs reflect the widespread impact depression can have on both the mind and body when it persists over an extended period.

22. Which eating disorder involves an intense preoccupation with eating only foods perceived as 'pure' or 'healthy,' often to an extreme and impairing degree?

•          Orthorexia

•          Bulimia

•          Pica

•          Rumination disorder
Explanation: Orthorexia is characterized by an excessive fixation on food purity and healthiness, to the point where it begins to interfere with daily functioning and social relationships. Unlike other eating disorders that primarily focus on quantity or weight control, orthorexia centers on the perceived quality of food itself. Although not always formally classified in diagnostic manuals, it is widely recognized by clinicians as a harmful pattern of disordered eating.

23. Which of the following describes hostile work environment sexual harassment?

•          A single professional disagreement between coworkers

•          Pervasive inappropriate jokes and comments that create a demeaning atmosphere

•          An employee receiving a performance-based raise

•          A manager enforcing standard safety procedures
Explanation: A hostile work environment is created when pervasive, unwelcome sexual comments or conduct make the workplace feel demeaning or intimidating, even without a direct threat tied to employment decisions. This differs from quid pro quo harassment, as it does not require an explicit exchange but instead relies on the cumulative, pervasive nature of the behavior. Employers have a legal responsibility to address and prevent conditions that allow such an environment to develop.

24. A partner who repeatedly humiliates the other partner in front of friends and family in order to undermine their confidence is engaging in which type of abuse?

•          Emotional/verbal abuse

•          Sexual abuse

•          Physical abuse

•          Financial abuse
Explanation: Publicly humiliating a partner is a form of emotional and verbal abuse designed to erode their self-esteem and confidence over time. This tactic often serves to isolate the victim by damaging their relationships and reinforcing a sense of dependence on the abuser. Recognizing verbal humiliation as a legitimate and serious form of abuse is important, even though it leaves no physical evidence.

25. According to the Kubler-Ross model, which stages might a caregiver experience while supporting a family member through a terminal illness? (Choose 5)

•          Denial

•          Anger

•          Bargaining

•          Depression

•          Acceptance

•          Indifference

•          Overconfidence
Explanation: Caregivers, much like patients themselves, often move through the five stages identified in the Kubler-Ross model: denial, anger, bargaining, depression, and acceptance. These stages reflect the complex emotional toll of witnessing and supporting a loved one through a terminal illness. Recognizing these stages can help caregivers seek appropriate support and better understand their own shifting emotional responses over time.

26. Which behaviors are commonly associated with individuals who possess a strong sense of self-worth? (Choose 4)

•          Setting healthy personal boundaries

•          Taking responsibility for mistakes without excessive shame

•          Comparing themselves constantly to others

•          Pursuing goals that align with personal values

•          Recovering from setbacks with resilience

•          Avoiding all forms of vulnerability
Explanation: People with a strong sense of self-worth are generally able to set and maintain healthy personal boundaries, protecting their emotional wellbeing in relationships. They tend to take responsibility for mistakes without spiraling into excessive shame, viewing errors as opportunities for growth rather than reflections of their entire self-worth. This resilience allows them to pursue goals aligned with their own values rather than seeking constant external comparison or validation.

27. Which characteristics make heroin particularly prone to abuse and addiction? (Choose 4)

•          It produces intense feelings of euphoria

•          It rapidly crosses the blood-brain barrier

•          Tolerance develops quickly, requiring higher doses

•          It has minimal withdrawal symptoms

•          Withdrawal can cause severe physical illness
Explanation: Heroin rapidly crosses the blood-brain barrier, producing an intense and immediate feeling of euphoria that strongly reinforces continued use. Because the body quickly builds tolerance, users often require increasingly higher doses to achieve the same effect, escalating the risk of overdose. Withdrawal from heroin can cause severe physical illness, including intense pain and flu-like symptoms, which frequently drives continued use despite a desire to stop.

28. Match each substance with the effect it has on the body.

•          Produces a calming, sedative effect on the central nervous system: Benzodiazepines

•          Elevates mood and increases alertness temporarily: Caffeine

•          Alters perception and sensory experience: Hallucinogens

•          Slows breathing and heart rate significantly at high doses: Benzodiazepines

•          Can cause dependence with regular daily use: Caffeine
Explanation: Benzodiazepines act as central nervous system depressants, producing a calming, sedative effect that can slow breathing and heart rate significantly at high doses. Caffeine, in contrast, is a mild stimulant that elevates mood and alertness temporarily, though regular daily use can still lead to a mild physical dependence. Hallucinogens work through an entirely different mechanism, altering perception and sensory experience rather than acting as either a stimulant or depressant.

29. Which coping strategies are considered effective for managing exam-related stress? (Choose 3)

•          Breaking study material into manageable sections

•          Cramming all material the night before

•          Practicing regular physical exercise

•          Getting consistent, adequate sleep

•          Skipping meals to save study time
Explanation: Breaking study material into manageable sections reduces the feeling of being overwhelmed and allows for more effective long-term retention compared to last-minute cramming. Regular physical exercise helps regulate stress hormones and improve mood, providing a healthy outlet for pre-exam anxiety. Consistent, adequate sleep is equally important, as it supports memory consolidation and cognitive function needed for optimal exam performance.

30. Which of the following are common signs that stress is negatively affecting a person's physical health? (Choose 4)

•          Frequent illness due to weakened immunity

•          Unexplained muscle aches

•          Improved digestion

•          Rapid or irregular heartbeat

•          Chronic fatigue

•          Increased lung capacity
Explanation: Chronic stress suppresses immune function over time, making an individual more susceptible to frequent colds and infections. It can also manifest physically through unexplained muscle aches, rapid or irregular heartbeat, and persistent fatigue as the body remains in a prolonged state of heightened alertness. These physical symptoms often serve as early warning signs that stress levels have become unsustainable and require intervention.

31. Which of the following best describes the relationship between SEL and academic performance?

•          SEL skills have no measurable impact on academic outcomes

•          Strong SEL skills are associated with improved focus and academic achievement

•          SEL replaces the need for traditional academic instruction

•          SEL is only relevant outside of educational settings
Explanation: Research consistently shows that students with stronger social emotional learning skills tend to demonstrate improved focus, better classroom behavior, and higher academic achievement. These competencies help students manage stress, resolve conflicts, and stay engaged with coursework more effectively. Rather than replacing academic instruction, SEL serves as a complementary foundation that supports better learning outcomes overall.

32. Understanding why a classmate from a different cultural background might approach group work differently is an example of which SEL competency?

•          Self-management

•          Social-awareness

•          Executive function

•          Self-awareness
Explanation: Social-awareness involves recognizing and appreciating that people from different cultural backgrounds may have varying norms and approaches to collaboration. Understanding these differences without judgment allows for more effective and respectful teamwork in diverse group settings. This competency is essential for building inclusive environments where different perspectives are valued rather than viewed as obstacles.

33. Which activity best exemplifies self-assessment in a workplace context?

•          Completing a self-evaluation form before a performance review

•          Waiting passively for a supervisor's feedback

•          Blaming a missed deadline entirely on a teammate

•          Ignoring constructive criticism from a manager
Explanation: Completing a self-evaluation form before a performance review requires an employee to honestly reflect on their own accomplishments, challenges, and areas for growth. This proactive reflection demonstrates ownership of one's professional development rather than relying solely on external evaluation. Employees who engage genuinely in self-assessment are often better prepared to have productive conversations about their performance.

34. Recognizing that you feel defensive when receiving critical feedback and choosing to pause before responding is an example of which SEL competency?

•          Executive function

•          Self-awareness

•          Communication and leadership

•          Social-awareness
Explanation: Self-awareness involves accurately identifying one's own emotional reactions, such as recognizing defensiveness in response to criticism. This recognition allows an individual to pause and choose a more measured response rather than reacting impulsively. Developing this level of insight into one's own emotional patterns is foundational for personal and professional growth.

35. Mapping out all the deliverables and deadlines for a multi-phase client project before beginning work is an example of which SEL competency?

•          Self-awareness

•          Executive function

•          Communication and leadership

•          Self-management
Explanation: Executive function refers to the cognitive skills involved in planning, organizing, and structuring tasks to achieve a goal. Mapping out deliverables and deadlines before beginning a complex project reflects strong forward-thinking and organizational ability. This kind of proactive planning helps prevent last-minute scrambling and supports the successful completion of multi-phase initiatives.

36. Practicing a difficult conversation out loud before having it with a supervisor is an example of which SEL competency?

•          Self-management

•          Social-awareness

•          Executive function

•          Self-awareness
Explanation: Self-management includes preparing in advance to regulate one's emotions and communication during a challenging interaction. Rehearsing a difficult conversation beforehand allows an individual to manage anxiety and choose their words more carefully in the moment. This kind of preparation reflects a deliberate strategy for maintaining composure and effectiveness under pressure.

37. Stepping in to de-escalate a heated debate between two colleagues during a meeting is an example of which SEL competency?

•          Social-awareness

•          Communication and leadership

•          Self-awareness

•          Executive function
Explanation: Communication and leadership involve the ability to guide tense interpersonal situations toward a calmer, more productive resolution. Stepping in to de-escalate a heated debate requires strong interpersonal skills, including active listening and diplomacy. This kind of leadership helps preserve a positive team dynamic and prevents conflicts from disrupting overall productivity.

38. Providing written meeting notes in advance for a colleague who processes information better through reading than listening is an example of which SEL competency?

•          Self-awareness

•          Communication and leadership

•          Executive function

•          Self-management
Explanation: Communication and leadership involve adapting communication methods to accommodate the different needs and preferences of team members. Providing written notes in advance for a colleague who learns better through reading demonstrates thoughtful, individualized communication. This kind of accommodation helps ensure that all team members can fully engage with and retain important information.

39. Enrolling in a public speaking workshop after receiving feedback about presentation skills is an example of which SEL competency?

•          Executive function

•          Self-management

•          Social-awareness

•          Communication and leadership
Explanation: Self-management reflects the ability to take constructive action in response to feedback rather than becoming discouraged. Enrolling in a workshop to address a specific skill gap demonstrates initiative and a growth-oriented mindset. This proactive response to feedback is a clear example of using self-regulation to drive meaningful professional development.

40. Independently learning the basics of a new programming language to contribute to a cross-functional project is an example of which SEL competency?

•          Social-awareness

•          Self-awareness

•          Executive function

•          Communication and leadership
Explanation: Executive function involves the self-directed goal-setting and planning required to acquire new skills without external prompting. Taking the initiative to learn a new programming language in order to contribute more effectively to a project demonstrates strong independent planning and follow-through. This competency allows individuals to expand their capabilities in response to emerging needs.

41. Ensuring a team retreat includes vegetarian and allergen-free meal options for all attendees is an example of which SEL competency?

•          Executive function

•          Self-management

•          Communication and leadership

•          Self-awareness
Explanation: Communication and leadership involve planning group events with careful consideration of the varied needs of all participants. Including vegetarian and allergen-free meal options demonstrates an inclusive approach to event planning that values every attendee's comfort and dietary needs. This attentiveness to detail helps build trust and shows genuine consideration for the wellbeing of the team.

42. Providing a quiet prayer space during a company event for employees who observe daily religious practices is an example of which SEL competency?

•          Social-awareness

•          Executive function

•          Self-management

•          Self-awareness
Explanation: Social-awareness involves recognizing and accommodating the religious and cultural practices of others in shared spaces. Providing a quiet space for prayer demonstrates respect for employees' daily religious observances and a commitment to inclusivity. This kind of accommodation helps ensure that employees of different faiths feel supported and valued within the workplace.