This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physical Education Chapter 9 Physiology And Exercise – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the primary function of the respiratory system? A) To facilitate gas exchange, providing oxygen to the body and removing carbon dioxide. B) To circulate blood throughout the body. C) To digest food and absorb nutrients. D) To regulate body temperature and maintain homeostasis. Show Answer Correct Answer: A) To facilitate gas exchange, providing oxygen to the body and removing carbon dioxide. 2. Vessel/Area relationships. As we go from the aorta to the capillaries A) Pressure experiences the largest drop at the level of the large arteries. B) The mean blood velocity increases in each generation of the vascular tree. C) The vascular tree presents an area increasing pattern. D) Pulsatility in flow increases. Show Answer Correct Answer: C) The vascular tree presents an area increasing pattern. 3. Which of the following is a genetic or autoimmune risk factor for Diabetes Mellitus? A) IDDM, which attacks alpha and beta cells, and NIDDM, which is hereditary. B) Eating too much sugar and carbohydrates. C) Being over 40 years old. D) Having a viral infection during pregnancy. Show Answer Correct Answer: A) IDDM, which attacks alpha and beta cells, and NIDDM, which is hereditary. 4. The functions of the Lymph System are: A) Elimination of gaseous waste. B) Hormone balance. C) Disease fighting function. D) Movement and posture. Show Answer Correct Answer: C) Disease fighting function. 5. During atrial contraction and ventricular filling, A) The AV valves are open. B) The semilunar valves are open. C) The ventricles are contracted. D) The atria are relaxed. Show Answer Correct Answer: A) The AV valves are open. 6. Which hormone is secreted by the F (PP) cells? A) Pancreatic polypeptide. B) Insulin. C) Glucagon. D) Somatostatin. Show Answer Correct Answer: A) Pancreatic polypeptide. 7. Which male hormone is responsible for secondary sexual characters? A) Androgen. B) Testosteron. C) Progesteron. D) Estrogen. Show Answer Correct Answer: B) Testosteron. 8. What effect does foreign matter in the trachea have on ventilation in a healthy adult? A) An increase in the rate and depth of breathing is activated. B) The cough reflex is activated. C) Apnea is triggered. D) The sneeze reflex is activated. Show Answer Correct Answer: B) The cough reflex is activated. 9. At which stage of the Cardiac Cycle do you hear the 4th Heart sound? A) Diastasis. B) Atrial Systole. C) Rapid Ventricular Ejection. D) Rapid Ventricular filling. Show Answer Correct Answer: B) Atrial Systole. 10. In sports injuries the three 'P's are the aim of- A) Exercise. B) Fracture treatment. C) First aid. D) Emergency measures. Show Answer Correct Answer: C) First aid. 11. During exercise, more blood is sent to the skeletal muscle than to the kidneys. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. Which of the following best explains why blood flow to the digestive system decreases during exercise? A) Increased local metabolic activity in the gut. B) Sympathetic vasoconstriction of splanchnic vessels. C) Increased parasympathetic stimulation. D) Decreased cardiac output. Show Answer Correct Answer: B) Sympathetic vasoconstriction of splanchnic vessels. 13. 57-year-old woman undergoes resection of the terminal ileum as part of treatment for her chronic inflammatory bowel disease. Removal of the terminal ileum will most likely result in which of the following? A) Decreased glucose absorption. B) Decreased water content of the feces. C) Increased bile acid concertation in the enterohepatic circulation. D) Increased excretion of fatty acids. Show Answer Correct Answer: D) Increased excretion of fatty acids. 14. Where is calcium stored inside a sarcomere? A) T-Tubules. B) Sacroplasmic-Transverse Tubule Complex. C) Sarcoplasmic Reticulum. D) H-zones. Show Answer Correct Answer: C) Sarcoplasmic Reticulum. 15. On average, endurance training increases VO2 max by: A) 5-10%. B) 15-20%. C) 25-30%. D) 35-40%. Show Answer Correct Answer: B) 15-20%. 16. An individual has a lighter skin tone, while another individual has a darker skin tone. Which statement below best describes the reason? A) The darker skin tone has more melanocytes. B) The lighter skin tone has fewer keratinocytes. C) The darker skin tone has more active melanocytes. D) The lighter skin tone has more hemoglobin. Show Answer Correct Answer: C) The darker skin tone has more active melanocytes. 17. Chemoreceptors send signals to the medulla oblongata to cause breathing rate to change-how does this occur? A) Signals are sent through the lungs and then to the medulla oblongata. B) Signals are sent to the respiratory muscles and then to the medulla oblongata. C) Increases the frequency of signals to the respiratory muscles. The respiratory muscles contract at a faster rate. D) None of the above. Show Answer Correct Answer: C) Increases the frequency of signals to the respiratory muscles. The respiratory muscles contract at a faster rate. 18. What is the role of the alveoli? A) To remove air. B) Allow air to travel to the alvelous. C) Gaseous exchange and diffusion. D) None of the above. Show Answer Correct Answer: C) Gaseous exchange and diffusion. 19. 'The volume able to forcibly expired, after a normal breathe' is ..... A) Inspiratory reserve volume. B) Tidal volume. C) Breathing rate. D) Expiratory reserve volume. E) Residual volume. Show Answer Correct Answer: D) Expiratory reserve volume. 20. Muscle contraction and relaxation based on which theory A) Action potential theory. B) Jumping filament theory. C) Sliding filament theory. D) Dipole theory. Show Answer Correct Answer: C) Sliding filament theory. 21. Describe the mechanism of action of the baroreceptor reflex in response to changes in blood pressure. A) The baroreceptor reflex only affects the kidneys, not the brain and heart. B) The baroreceptor reflex responds to changes in temperature, not blood pressure. C) The baroreceptor reflex detects changes in blood pressure and sends signals to the brain and heart to regulate it. D) The baroreceptor reflex has no role in regulating blood pressure. Show Answer Correct Answer: C) The baroreceptor reflex detects changes in blood pressure and sends signals to the brain and heart to regulate it. 22. What is the definition of the Cardiac Cycle? A) The contraction of the atria. B) The sequence of events that occur during one complete heartbeat. C) The contraction and relaxation of the ventricles. D) The circulation of blood in the heart. Show Answer Correct Answer: B) The sequence of events that occur during one complete heartbeat. 23. The ion necessary to produce muscle contraction is ..... A) Sodium. B) Calcium. C) ATP. D) Potassium. Show Answer Correct Answer: B) Calcium. 24. Mitral Valve is present in between A) Right atrium and Left ventricle. B) Right and Left ventricle. C) Left ventricle and Aorta. D) Left atrium and Left ventricle. Show Answer Correct Answer: D) Left atrium and Left ventricle. 25. Normal resting coronary artery blood flow is A) 10 mL/100 g/min. B) 40 mL/100 g/min. C) 75 mL/100 g/min. D) 120 mL/100 g/min. Show Answer Correct Answer: C) 75 mL/100 g/min. ← PreviousNext →Related QuizzesClass 12 Physical Education Chapter 9 Physiology And Exercise Quiz 1Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 2Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 3Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 4Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 6Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 7Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 8Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 9Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 10Class 12 Physical Education Chapter 9 Physiology And Exercise Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books