W.I.T.S. - FINAL EXAM STUDY QUESTIONS | EXAM QUESTIONS & EXPERTLY VERIFIED ANSWERS, 2025 | 2026.

W.I.T.S. - FINAL EXAM STUDY QUESTIONS | EXAM QUESTIONS & EXPERTLY VERIFIED ANSWERS, 2025 | 2026. Quiz_________________? ________is the most important source of immediate energy which lasts about 3-5 seconds a. Phosphocreatine b. Glycolysis c. Oxidative phosphorylation d. Aerobic glycolysis - Answer a. Phosphocreatine Quiz_________________? During muscle contraction, the__________releases calcium into the sarcoplasm, which allows for actin-myosin interaction. a. Transverse tubule b. Sarcoplasmic reticulum c. Epimysium d. Troponin/Tropomyosin complex - Answer b. Sarcoplasmic reticulum Quiz_________________? Which type of muscle fiber not only produces great force when stimulated but also resists fatigue? a. Type I b. Type IIa c. Type IIx d. Type Ia - Answer b. Type IIa Quiz_________________? The volume of blood pumped by the heart per beat is known as________. a. stroke capacity b. stroke rate c. heart volume d. stroke volume - Answer d. stroke volume Quiz_________________? What are the primary reasons women have lower VO2 max values than men? a. hemoglobin levels and motivation b. motivation and body weight c. hemoglobin levels and body fat percentage d. body fat percentage and motivation - Answer c. hemoglobin levels and body fat percentage Quiz_________________? As the respiratory exchange ratio (R) increases,____________ become the primary fuel source for activity. a. carbohydrates b. fats c. proteins d. vitamins - Answer a. carbohydrates Quiz_________________? Studies have revealed that ____________ is the most significant factor in maintaining VO2 max with a reduced training load. a. frequency b. time c. intensity d. caloric intake - Answer c. intensity Quiz_________________? _________ is the primary energy source cells use for biological work. a. Carbohydrate b. ATP c. Calcium d. ADP - Answer b. ATP Quiz_________________? Which form of heat loss occurs when heat is transferred from the surface of one object to the surface of another with no physical contact between the objects? a. conduction b. evaporation c. convection d. radiation - Answer d. radiation Quiz_________________? ____________ is the volume of blood pumped by the heart per minute. a. Heart rate b. Respiratory quotient c. Stroke volume d. Cardiac output - Answer d. Cardiac output Quiz_________________? During a ____________, participants exercise at progressively increasing work rates until they reach maximum work tolerance. a. graded exercise test (GXT) b. maximal uptake test (MUT) c. sub-maximal test (SMT) d. graded maximal test - Answer a. graded exercise test (GXT) Quiz_________________? The period of elevated oxygen uptake during recovery from exercise is known as__________. a. oxygen deficit b. steady-state requirement c. oxygen debt d. oxygen need payment - Answer c. oxygen debt Quiz_________________? As the respiratory exchange ratio (R) decreases, the primary fuel utilized for exercise is ________________. a. protein b. fat c. carbohydrate d. creatine phosphate - Answer b. fat