 |
| MOVE CURSOR OVER ANSWERS: DO NOT CLICK MOUSE |
| 1. For the average individual, total blood volume approximates how many liters? |
| A. 3 |
| B. 4 |
| C. 5 |
| D. 6 |
| 2. Another name for red blood cells is: |
| A. Leukocytes |
| B. Erythrocytes |
| C. Platelets |
| D. Reticulocytes |
| 3. The average increase in VO2 max from training studies is: |
| A. 15% to 20% |
| B. 20% to 30% |
| C. 5% to 10% |
| D. 10% to 15% |
| 4. What role does myoglobin play in aerobic exercise? |
| 5. The number of particles in a solution. |
| A. Osmoality |
| B. Serum ratio |
| C. Plasma ratio |
| D. Electrolytes |
| 6. What does ejection fraction mean? |
| A. The volume of blood left after systole |
| B. The percent of blood pumped out of the ventricle |
| C. The volume of blood pumped per beat |
| D. The volume of blood pumped per minute |
| 7. What does (vascular) compliance mean? |
| A. Contractility of arteries and arterioles |
| B. Strength of arteries |
| C. Limited ability arteries have to distend and increase vascular volume |
| D. Stretch of all vascular structures |
| 8. Parasympathetic stimulation to heart tissue causes what to the action potential? |
| A. Graded potentials |
| B. Depolarization |
| C. Hyperpolarization |
| D. None of the above |
| 9. SV increases with exercise until what % VO2 max (range) in untrained individuals? |
| A. 70-90% |
| B. 90-100% |
| C.10-30% |
| D. 40-60% |
| 10. This best describes the valsalva maneuver. |
| 11. The oxidation of fat means? |
| A. An increase in lipid storage |
| B. The breakdown or burning of fat |
| C. Increase in fatty acids |
| D. Decrease in mitochondria function |
| 12. Increased blood flow to muscle immediately following exercise? |
| A. Peripheral hypertrophy |
| B. Hyperdemia |
| C. Hyperemia |
| D. Passive hyperemia |
| 13. Arteriole venous oxygen difference refers to what? |
| A. Increased hematocrit from increased plasma volume |
| B. Redistribution of of peripheral blood flow |
| C. Peripheral blood flow |
| D. Extraction of oxygen from the capillary bed |
| 14. Which has a more linear response to increasing exercise: HR or O2? |
| A. Heart rate (HR) |
| B. Oxygen consumption (O2) |
| C. Varies with fitness level |
| D. No difference |
| 15. Heart rate monitors transmit a radio signal by a process called? |
| A. Telemetry |
| B. Electrocardiography |
| C. Conduction |
| D. None of the above |
| 16. Ideally a VO2 max protocol should last how long? |
| A. 6 to 10 minutes |
| B. 8 to 12 minutes |
| C. 10 to 14 minutes |
| D. 10 to 16 minutes |
| 17. What fiber type would be more associated with increased aerobic capacity? |
| A. Type IIb |
| B. Type IIa |
| C. Type I |
| D.Type IIc |
| 18. Where does most of the lipid come from that fuels muscle contraction? |
| A. Mobilization of free fatty acids |
| B. FFA in plasma |
| C. Adipose tissue |
| D. Within contracting skeletal muscle |
| 19. The atrial contraction or ‘Kick’ accounts for what % of ventricular filling? |
| A. 10% |
| B. 20% |
| C. 30% |
| D. 40% |
| 20. Cardiac output is equal to? |
| A. Stroke volume times heart rate |
| B. MAP/EDV |
| C. 25L/Min at rest |
| D. Ejection fraction |
| 21. Which of the following is NOT a glycolytic enzyme? |
| A. Phosphorylase |
| B. Succinate dehydrogenase |
| C. Phosphofructokinase |
| D. Lactate dehydogenase |
| 22. What is the lactate threshold? |
| 23. What does buffering capacity refer to? |
| A. Enzyme activity in the muscle |
| B. Speed of hydrolysis of ATP |
| C. The muscle’s capacity to tolerate the acid that accumulates during glycolysis |
| D. Dynamic muscle action‘s contraction capability |
| 24. 15 g of hemoglobin are in 100 ml of blood. 1 gram of Hb can combine with 1.34 ml of O2. How much O2 is in 100 ml of blood? |
| A. 10 ml 02/ 100 ml of blood |
| B. 20 ml 02/ 100 ml of blood |
| C. 30 ml 02/ 100 ml of blood |
| D. 40 ml 02/ 100 ml of blood |
| 25. Mathmatically, which of the following represents the FICK equation? |
| A. VO2 = Q x a-v O2 difference |
| B. VO2 = SV x HR x a-v O2 difference |
| C. VO2 = (EDV-ESV) x HR x a-v O2 difference |
| D. All of the above |
| Complete! | ||||||||
 |
||||||||
|