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| MOVE CURSOR OVER ANSWERS: DO NOT CLICK MOUSE |
| 1. Another name for the conducting zone of the lung is: |
| A. Pulmonary circulation |
| B. Respiratory zone |
| C. Anatomical dead space |
| D. None of the above |
| 2. Dry atmospheric air has what percent oxygen? |
| A. 79.03% |
| B. 0.03% |
| C. 10.39% |
| D. 20.93% |
| 3. Volume of air ventilated into and out of the lung with each breath? |
| A. Tidal volume |
| B. Residual volume |
| C. Vital capacity |
| D. Inspiratory capacity |
| 4. What percent of oxygen is transported in the plasma of the blood? |
| A. 98% |
| B. 20% |
| C. 2% |
| D. 100% |
| 5. Do the ventilaton muscles fatigue during max exercise with endurance-trained persons? |
| A. Yes |
| B. Unclear |
| C. No |
| D. Only when the upper body is submerged |
| 6. What is the most studied and widely distributed second messenger (with non-steroid hormones)? |
| A. GTP |
| B. ATP |
| C. ADP |
| D. cyclic AMP or cAMP |
| 7. What enzyme catylyzes conversion of CO2 to carbonic acid? |
| A. 2.3 DPG |
| B. Carbaminohemoglobin |
| C. Bicarbonate |
| D. Carbonic anhydrase |
| 8. A given hemoglobin molecule can bind how many oxygen molecules? |
| A. 4 |
| B. 6 |
| C. 8 |
| D. 10 |
| 9. Effects of temperature, pH, and PCO2 on the oxy-hemoglobin dissociation curve? |
| A. Haldane effect |
| B. Bohr effect |
| C. Daltons law |
| D. Boyles law |
| 10. Term used when the four heme groups of hemoglobin are all binding oxygen? |
| A. Unloaded |
| B. At equilibrium |
| C. Saturated |
| D. None of the above |
| 11. What is the oxygen content of arterial blood? |
| A. 2 ml oxygen per 100 ml blood |
| B. 20 ml oxygen per 100 ml blood |
| C. 40 ml oxygen per 100 ml blood |
| D. 60 ml oxygen per 100 ml blood |
| 12. Predominant glucose transporter protein on sarcolemma of muscle fiber: |
| A. Glucagon |
| B. Insulin |
| C. GLUT4 |
| D. GLUT2 |
| 13. Steroid hormones are hydrophobic which means: |
| A. Soluble in water |
| B. Transported in water |
| C. Insoluble in water |
| D. They cannot pass through the cell membrane |
| 14. What is the most common type of diabetes? |
| A. Type I |
| B. Type II |
| C. Juvenile-onset |
| D. Insulin dependent |
| 15. If blood plasma decreases, what happens to plasma osmolality? |
| A. Decreases |
| B. Stays the same |
| C. Fluctuates up and down |
| D. Increases |
| 16. What is the substance found on the alveolar membranes that functions to decrease surface tension and improve compliance |
| A. Water vapor |
| B. Epithelium |
| C. Surfactant |
| D. Sodium bocarbonate |
| 17. How many alveoli are in your lungs? |
| A. 3000 |
| B. 30,000 |
| C. 300,000 |
| D. 300 million |
| 18. What is the maximal amount of air that can be exhaled from the lungs? |
| A. Tidal volume |
| B. Residual volume |
| C. Vital capacity |
| D. Inspiratory capacity |
| 19. How is the majority of carbon dioxide transported in the blood? |
| A. Reacts with water to form carbonic acid |
| B. Dissolves in the plasma |
| C. Forms carbaminohemoglobin |
| D. Is transported as bicarbonate |
| 20. Exercise induced asthma (EIA) also called exercise induced bronchoconstriction (EIB) usually occurs when? |
| A. First few minutes of exercise |
| B. About 15 minutes in exercise |
| C. About 5 to 10 minutes after exercise |
| D. 30 minutes after exercise |
| 21. What is DYSPNEA? |
| A. Overbreathing |
| B. Respiratory procedure performed during certain types of exercise |
| C. Anticipation or anxiety to exercise |
| D. Shortness of breath during exercise |
| 22. What is the Valsalva maneuver? |
| A. Overbreathing |
| B. Forced expiration, increased pressure, elevated arterial pressure (trachea closed) |
| C. Anticipation or anxiety to exercise |
| D. Shortness of breath during exercise |
| 23. What is insulin’s main function? |
| A. Promote gluconeogenesis |
| B. Reduce amount of glucose circulating in the blood |
| C. Inhibit glycogenesis |
| D. Increase amount of glucose circulating in the blood |
| 24. What does erythropoietin do? |
| 25. Triglycerides are reducd to FFA and glycerol by what lipase enzyme? |
| A. Lipoprotein lipase |
| B. Hormone sensitive lipase |
| C. Insulin |
| D. Renin |
| Complete! |
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