This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physical Education Chapter 5 Physiology And Exercise – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When VO2 and CO2 data is not available to calculate RER, we can use an estimated value of 5.05 kcal/L O2 to determine energy expenditure. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 2. According to the 'Size Principle, ' which motor units are recruited first? A) Large, high-threshold units. B) Small, low-threshold units. C) Intermediate units. D) Fast-fatigable units. Show Answer Correct Answer: B) Small, low-threshold units. 3. A capillary bed across an exercising muscle has ..... arterial-mixed venous oxygen difference compared to a resting muscle A) A greater. B) A lesser. C) No. D) None of the above. Show Answer Correct Answer: A) A greater. 4. What happens to the heart rate when you exercise? A) Increases. B) Decreases. C) All the above. D) None of the above. Show Answer Correct Answer: A) Increases. 5. Which of the following is a long term response to exercise A) Decreased resting heart rate. B) Increased muscular strength. C) Increased muscular endurance. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. Your windpipe is called ..... A) Aorta. B) Bronchi. C) Trachea. D) Larynx. Show Answer Correct Answer: C) Trachea. 7. What regulates pH in the body? Which ones are long term and short term? A) Chemical buffers in the blood, pulmonary ventilation-long term; kidney function-short term. B) Chemical buffers in the blood, pulmonary ventilation, and kidney function. There are no short term or long term regulations. C) Chemical buffers in the blood, pulmonary ventilation-short term; kidney function-long term. D) None of the above. Show Answer Correct Answer: C) Chemical buffers in the blood, pulmonary ventilation-short term; kidney function-long term. 8. A BMI of 28 corresponds to what weight if the height is 1.65 m? A) 76 kg. B) 72 kg. C) 74 kg. D) 78 kg. Show Answer Correct Answer: A) 76 kg. 9. The most suitable type of stretching for a warm up is: A) Static stretching. B) Ballistic stretching. C) PNF stretching. D) Dynamic stretching. Show Answer Correct Answer: D) Dynamic stretching. 10. How does the circulatory system respond to the increased need for oxygen during exercise? A) Heart rate decreases. B) Heart rate increases. C) Blood vessels constrict. D) Blood flow to muscles decreases. Show Answer Correct Answer: B) Heart rate increases. 11. Which vessels contain valves? A) Arteries. B) Veins. C) Capillaries. D) Aorta. Show Answer Correct Answer: B) Veins. 12. Which change would most increase the rate of force development (RFD) in a ballistic contraction, assuming muscle size is unchanged? A) Higher initial motor unit firing rates (doublet). B) Lower motor unit recruitment thresholds. C) Lower tendon stiffness. D) Lower Ca2+ sensitivity of troponin. Show Answer Correct Answer: A) Higher initial motor unit firing rates (doublet). 13. A signal being sent down the parasympathetic nervous system to the heart will ..... A) Speed up the heart. B) Speed up breathing rate. C) Slow down the heart rate. D) Reduce blood resistance. Show Answer Correct Answer: C) Slow down the heart rate. 14. The lower the exercise intensity, the shorter the amount of time it can be performed. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 15. During a strength training session, an athlete performs a bicep curl with a dumbbell. What type of muscle contraction occurs in the biceps as the athlete lifts the dumbbell from the starting position to the point where the elbow is fully flexed? A) Isometric contraction. B) Concentric contraction. C) Eccentric contraction. D) Isokinetic contraction. Show Answer Correct Answer: B) Concentric contraction. 16. What is the function of the atrioventricular (AV) node in the cardiac conduction system? A) It regulates the opening and closing of heart valves. B) It directly stimulates the contraction of the atria. C) It delays the electrical impulse to allow the ventricles to fill with blood. D) It generates electrical impulses to initiate the heartbeat. Show Answer Correct Answer: C) It delays the electrical impulse to allow the ventricles to fill with blood. 17. Which joint is an example of a ball-and-socket joint? A) Knee joint. B) Elbow joint. C) Shoulder joint. D) Neck joint. Show Answer Correct Answer: C) Shoulder joint. 18. In trained athletes, stroke volume: A) Plateaus earlier. B) Does not plateau. C) Decreases with intensity. D) Remains unchanged. Show Answer Correct Answer: B) Does not plateau. 19. What typically happens to respiratory rate during an acute bout of exercise? A) It stops completely during intense activity. B) It remains unchanged throughout the exercise. C) It increases to meet the higher oxygen demands of the body. D) It decreases as the body relaxes. Show Answer Correct Answer: C) It increases to meet the higher oxygen demands of the body. 20. What are the two factors that determine blood pressure? A) Heart rate and blood volume. B) Blood viscosity and vessel elasticity. C) Cardiac output and peripheral resistance. D) Oxygen levels and carbon dioxide levels. Show Answer Correct Answer: C) Cardiac output and peripheral resistance. 21. A benefit of using a HIIT protocol in a clinical population is an adaptation to a high-level stress, with limited exposure for adverse events. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. What is a Gross Skill? A) Takes place in a stable, predictable environment and athlete knows exactly what to do and when. B) Involves large muscle movements (e.g. jumping). C) Involve intricate, precise movements of small muscle groups. D) Where environment is constantly changing, and skills/movements have to be adapted. Show Answer Correct Answer: B) Involves large muscle movements (e.g. jumping). 23. Which strategy is most effective for clients struggling with motivation? A) Increase workout intensity. B) Provide social support opportunities. C) Eliminate goal setting. D) Remove feedback. Show Answer Correct Answer: B) Provide social support opportunities. 24. What is the main function of cortisol in the body? A) Increases muscle tissue growth. B) Stimulates general body growth. C) Regulates bone remodeling. D) Suppresses the immune system. Show Answer Correct Answer: D) Suppresses the immune system. 25. What principle can help explain the depolarization threshold? A) All-or-none Principle. B) Vice principal. C) All the above. D) None of the above. Show Answer Correct Answer: A) All-or-none Principle. ← PreviousNext →Related QuizzesClass 11 Physical Education Chapter 5 Physiology And Exercise Quiz 1Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 2Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 3Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 4Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 5Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 6Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 7Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 8Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 10Class 11 Physical Education Chapter 5 Physiology And Exercise Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books