Exercise physiology - Quiz
Exercise physiology
  • 1. Exercise physiology is the study of how exercise impacts the various systems of the body, including cardiovascular, respiratory, musculoskeletal, and metabolic systems. It explores how the body responds and adapts to physical activity, examining factors such as oxygen consumption, energy expenditure, heart rate, and muscle function. Through research and observation, exercise physiologists seek to understand the mechanisms behind the body's physiological responses to exercise, leading to insights that can improve athletic performance, enhance physical fitness, and optimize training programs for individuals of all ages and fitness levels.

    Which enzyme is responsible for breaking down glycogen into glucose?
A) Amylase
B) Glycogen phosphorylase
C) Lipase
D) Sucrase
  • 2. What is the term for the amount of blood pumped by the heart in one minute?
A) Cardiac output
B) Heart rate
C) Blood pressure
D) Stroke volume
  • 3. What is the term for the increase in muscle size due to resistance training?
A) Atrophy
B) Myofibrillogenesis
C) Sarcopenia
D) Hypertrophy
  • 4. Which of the following is an example of an aerobic exercise?
A) Running
B) Sprinting
C) Powerlifting
D) Weightlifting
  • 5. During exercise, what helps lactic acid be broken down more quickly?
A) Increased sugar intake
B) Increased protein intake
C) Increased fat intake
D) Increased oxygen intake
  • 6. What is the term for the number of times the heart beats per minute?
A) Stroke volume rate
B) Heart rate
C) Cardiac output rate
D) Blood pressure rate
  • 7. What is the term for the body's ability to maintain a stable internal environment during exercise?
A) Stasis
B) Equilibrium
C) Isotonicity
D) Homeostasis
  • 8. What is the term for the minimum amount of energy needed to maintain basic bodily functions?
A) Physical activity thermogenesis (PAT)
B) Exercise metabolic rate (EMR)
C) Basal metabolic rate (BMR)
D) Resting metabolic rate (RMR)
  • 9. What is the term for the maximum amount of oxygen the body can use during exercise?
A) RER
B) VO2 max
C) HR max
D) ATP max
  • 10. What is exercise physiology?
A) The study of nutrition and dietetics.
B) The study of psychological effects of physical activity.
C) The study of acute responses and chronic adaptations to exercise.
D) The study of pharmacological interventions in sports.
  • 11. Who are the highest qualified exercise professionals?
A) Physical therapists.
B) Nutritionists.
C) Personal trainers.
D) Exercise physiologists.
  • 12. What do exercise physiologists utilize to manage injuries and conditions?
A) Dietary supplements.
B) Psychological counseling.
C) Education, lifestyle intervention, and specific forms of exercise.
D) Medication and surgery.
  • 13. What systems are studied to understand the effect of exercise?
A) Integumentary and skeletal systems.
B) Digestive and respiratory systems.
C) Endocrine and lymphatic systems.
D) Muscular, cardiovascular, and neurohormonal systems.
  • 14. What is the effect of training on the body defined as?
A) A decrease in cardiovascular efficiency.
B) An elevation of metabolism produced by exercise.
C) A reduction in muscle mass.
D) An increase in fat storage.
  • 15. Who introduced the concepts of maximal oxygen uptake and oxygen debt?
A) Archibald Hill.
B) Per-Olof Åstrand.
C) Henry Taylor.
D) Otto Meyerhof.
  • 16. Which Nobel Prize did Archibald Hill share in 1922?
A) The Nobel Prize in Chemistry.
B) The Nobel Prize in Physiology or Medicine.
C) The Nobel Peace Prize.
D) The Nobel Prize in Physics.
  • 17. What was the total energy expenditure of an individual cycling for 50 consecutive days?
A) 500 MJ (119,000 kcal).
B) 2,290 MJ (546,700 kcal).
C) 750 MJ (179,100 kcal).
D) 1,145 MJ (273,850 kcal).
  • 18. How much glucose does skeletal muscle burn per minute during continuous activity?
A) 90 mg.
B) 200 mg.
C) 120 mg.
D) 50 mg.
  • 19. What is the efficiency of muscle energy conversion during exercise?
A) 10–15% efficient.
B) 40–45% efficient.
C) 50–55% efficient.
D) 22–26% efficient.
  • 20. What is the basal metabolic rate of resting skeletal muscle?
A) 1.5 W/kg.
B) 0.25 W/kg.
C) 0.63 W/kg.
D) 3.0 W/kg.
  • 21. How much mechanical energy can an adult human male generate when jumping from a squat?
A) 500 W/kg.
B) 150 W/kg.
C) 314 W/kg.
D) 200 W/kg.
  • 22. What is the typical range for basal resting metabolic rate in adults?
A) 20 W to 50 W.
B) 10 W to 30 W.
C) 100 W to 150 W.
D) 45 W to 85 W.
  • 23. What is the most rapid source of energy for high-intensity activity?
A) Aerobic respiration
B) Adenylate kinase
C) The phosphocreatine (PCr) system
D) Fast glycolysis
  • 24. What enzyme is involved in the PCr system to produce ATP?
A) Creatine kinase
B) Hexokinase
C) Citrate synthase
D) Glycogen phosphorylase
  • 25. Which energy source is depleted the quickest during high-intensity exercise?
A) Aerobic respiration
B) The phosphocreatine system
C) Adenylate kinase
D) Fast glycolysis
  • 26. What is glucose oxidized to under anaerobic conditions during fast glycolysis?
A) Lactic acid
B) Carbon dioxide and water
C) Pyruvate
D) Acetyl-CoA
  • 27. What is oxidized to NAD during anaerobic glycolysis?
A) Glucose-6-phosphate
B) NADH
C) FADH2
D) ATP
  • 28. Why can fast glycolysis not be sustained for long periods?
A) Due to glycogen resynthesis
B) Because of ATP depletion
C) Because it promotes acidosis
D) Due to oxygen availability
  • 29. How much cardiac output does the human brain receive at rest?
A) 20%
B) 15%
C) 10%
D) 25%
  • 30. Which of the following subjects is NOT part of the exercise physiology curriculum?
A) Psychology
B) Chemistry
C) Applied Sciences
D) Biology
  • 31. What event did Dorando Pietri participate in during the 1908 Summer Olympics?
A) Men's marathon
B) 100-meter dash
C) Long jump
D) High jump
  • 32. During which Olympics did Gabriela Andersen-Schiess show signs of heat exhaustion?
A) Los Angeles 1984 Summer Olympics
B) Sydney 2000 Summer Olympics
C) Beijing 2008 Summer Olympics
D) Athens 2004 Summer Olympics
  • 33. What is the effect of replacing fluid lost during exercise on systemic vascular resistance?
A) No impact on systemic vascular resistance
B) Increases systemic vascular resistance
C) Reduces systemic vascular resistance
D) Eliminates systemic vascular resistance
  • 34. Which systemic physiological response is NOT typically studied in exercise physiology?
A) Digestive enzyme production
B) Blood flow
C) Endocrine secretions
D) Respiration
  • 35. What was the initial belief about Jim Peters' collapse in the 1954 marathon?
A) Severe dehydration
B) Hyperthermia alone
C) Muscle cramps
D) Hypoglycaemia only
  • 36. What can reduce the release of interleukin-6 during exercise?
A) Increased protein intake
B) Hydration with water
C) Taking glucose
D) Consuming fats
  • 37. Which neurological condition is treated by Exercise Physiologists?
A) Hypertension
B) Diabetes
C) Parkinson's
D) Asthma
  • 38. Who proposed the existence of a central governor?
A) Jim Peters
B) Gabriela Andersen-Schiess
C) Tim Noakes
D) Archibald Hill
  • 39. What is the precursor of ATP involved in ammonia production by exercised skeletal muscles?
A) AMP
B) ATP
C) ADP
D) GTP
  • 40. What can moderate intensity continuous training potentially increase?
A) Immediate muscle soreness
B) Muscle mass significantly
C) Someone's pain threshold
D) Risk of injury during exercise
  • 41. Which condition can limit the oxygenation of blood due to a mismatch between ventilation and perfusion?
A) Increased hematocrit
B) Enhanced capillary density
C) High cardiac output
D) Ventilation/perfusion mismatch
  • 42. What is the primary method of removing metabolic waste heat during intense prolonged exercise?
A) Vasoconstriction
B) Decreased muscle activity
C) Increased respiration rate
D) Sweat-based thermoregulation
  • 43. What percentage of brain energy needs can be provided by lactate during intense exercise?
A) More than half
B) About a third
C) None at all
D) Less than 10%
  • 44. By how much do plasma catecholamine concentrations increase during whole body exercise?
A) 20-fold
B) 15-fold
C) 5-fold
D) 10-fold
  • 45. Which organ is capable of catabolizing stored glycogen during exercise?
A) Pancreas
B) Adipose tissue
C) Liver
D) Skeletal muscle
  • 46. During moderate intensity exercise, what happens to the rates of glucose appearance and disposal in a healthy individual?
A) Disposal exceeds appearance significantly
B) Both rates decrease
C) Glucose appearance exceeds disposal
D) They are essentially equal
  • 47. What is the effect of exercise-induced dehydration on perceived exertion?
A) Eliminates perceived exertion
B) No change in perceived exertion
C) Increases perceived exertion
D) Decreases perceived exertion
  • 48. What was Gabriela Andersen-Schiess's condition when she stopped occasionally during her marathon?
A) Muscle cramps
B) Dehydration only
C) Hypoglycaemia
D) Heat exhaustion
  • 49. How much of a lead did Jim Peters have before collapsing in the 1954 Commonwealth Games marathon?
A) No lead
B) Five-kilometre (three-mile) lead
C) One-kilometre lead
D) Ten-kilometre lead
  • 50. Which interleukin increases in blood circulation due to its release from working skeletal muscles during exercise?
A) Interleukin-6 (IL-6)
B) Interleukin-8
C) Interleukin-1
D) Interleukin-10
  • 51. What is the universal energy source in all cells?
A) Glucose
B) Adenosine triphosphate (ATP)
C) Glycogen
D) Fatty acids
  • 52. Which physiological process is studied in relation to exercise?
A) Fuel utilization
B) Photosynthesis
C) Cellular respiration in plants
D) Fermentation
  • 53. What is the effect of dehydration on stroke volume during exercise?
A) Reduces stroke volume
B) Eliminates stroke volume reduction
C) No change in stroke volume
D) Increases stroke volume
  • 54. Which athlete collapsed several times after running the wrong way in the 1908 Summer Olympic men's marathon?
A) Gabriela Andersen-Schiess
B) Usain Bolt
C) Dorando Pietri
D) Jim Peters
  • 55. What is a required component to complete a degree in Exercise Physiology besides coursework?
A) Volunteer work unrelated to exercise
B) Independent research projects
C) Practicum experience
D) Only theoretical exams
  • 56. What was Gabriela Andersen-Schiess's condition upon crossing the finish line?
A) Finished with a record time
B) Ran without stopping
C) Fell across the finish line
D) Was disqualified
  • 57. What was Dorando Pietri's mistake during the 1908 Summer Olympic men's marathon?
A) Ran the wrong way
B) Dropped out voluntarily
C) Started late
D) Stopped before finishing
  • 58. What is a key difference between human and other animal thermoregulation during exercise?
A) Humans have less skin blood flow than animals.
B) Animals rely on sweating more than humans.
C) Humans store heat, while animals dissipate it.
D) Humans use sweat evaporation, while most animals increase body temperature temporarily.
  • 59. What is the effect of hypohydration on aerobic endurance?
A) Increases muscle strength
B) Reduces aerobic endurance
C) No impact on aerobic endurance
D) Enhances aerobic endurance
  • 60. Which process cannot sustain exercise on its own?
A) Gluconeogenesis
B) Glycogenolysis
C) Insulin secretion
D) GLUT4 translocation
  • 61. What is the effect of replacing 50 to 80% of fluid lost in sweat during exercise?
A) Decreases heart rate significantly
B) Largely eliminates negative physiological effects
C) Increases dehydration
D) Reduces oxygen uptake
  • 62. What is the effect of dehydration on skin blood flow during exercise?
A) Eliminates changes in skin blood flow
B) Reduces skin blood flow
C) No change in skin blood flow
D) Increases skin blood flow
  • 63. At what point in the race did Gabriela Andersen-Schiess show signs of heat exhaustion?
A) Final 400 meters
B) Halfway mark
C) First kilometer
D) Start of the race
  • 64. What is the effect of dehydration on reliance on carbohydrate as a fuel source?
A) No impact on carbohydrate reliance
B) Possibly increases reliance on carbohydrate
C) Decreases reliance on carbohydrate
D) Eliminates carbohydrate use
  • 65. How long does it typically take for cardiac biomarkers to return to normal after strenuous exercise?
A) Immediately.
B) Several weeks.
C) Within 24 hours.
D) A few days.
  • 66. What is recommended but not required for a degree in Exercise Physiology?
A) Practicum experience
B) Laboratory research
C) Full class schedule
D) Internships
  • 67. What is a key feature of human thermoregulation during exercise?
A) Specialized sweat evaporation mechanism.
B) Thick body fur for insulation.
C) Increased body temperature.
D) Reduced skin blood flow.
  • 68. Which area is NOT typically studied by exercise physiologists?
A) Neuroendocrine function
B) Skeletal muscle physiology
C) Cardiopulmonary function
D) Biomechanics
  • 69. How much heat energy can one gram of sweat remove?
A) 3500 J
B) 1000 J
C) 2598 J
D) 1500 J
  • 70. What is the effect of sauna exposure on plasma volume?
A) Increases plasma volume
B) Slightly increases plasma volume
C) Substantially reduces plasma volume
D) Has no impact on plasma volume
  • 71. What percentage of the body's energy consumption is used by the brain at rest?
A) 25%
B) 20%
C) 30%
D) 15%
  • 72. Which country offers the professional certification title 'Certified Exercise Physiologist'?
A) United Kingdom
B) Australia
C) United States
D) Canada
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