Bio 9G S07 Midterm 2 Version C

Bio 9G S07 Midterm 2 Version C - Bio 96 Midterm 2 Version...

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Unformatted text preview: Bio 96 Midterm 2 Version C 1. You have exam version C. Please bubble in an “e” for question 1. 2. An average person has a cardiac output at rest of: a. 1 lein 5 lein c. 15 Urnin d. 20 L/min e. 25 lein 3. The start of exercise is controlled by: (a5. The cardiovascular center b. Local factors at the muscle c. Increased arteriole constriction d. SA node rate 4. During contraction of the skeletal muscle, which does NOT get smaller? a. I hand ® A band c. H zone 5. A cranial aneurysm can lead to a/n if it bursts. a. Myocardial infarction b. lschemic stroke Hemorrhagic stroke Coronary artery disease e. Aortic aneurysm 6. Egaphrine travels from: Adrenal gland to an adrenergic receptor b. Brain to the adrenal gland Brain to an cholinergic receptor c. d. Adrenal gland to a cholinergic receptor e. Adrenergic receptor to the brain 7. What drug blocks the effect of acetylcholine? {we _ Pilocarpine ‘ tro .1 ' c. Epinephrine d. Digitalis 8. What are the two major effects of exercise on blood flow? Increased cardiac output and redirection of blood flow b. Increased sympathetic nervous system and parasympathetic nervous system c. Increased blood flow to brain and muscles d. Increased blood flow to heart and reduced cardiac output Bio 96 Midterm 2 Version C 9. Thin filaments: a. Are composed of myosin subunits b. Attached to A bands §> Contain binding sites for crossbridges . Contain binding sites for ATP 10. Sympathetic innervation of ventricular muscle is a part of: a. Intrinsic control of heart rate b. Extrinsic control of heart rate c. Intrinsic control of stroke volume (E) Extrinsic control of stroke volume 1 I. An aerobically trained heart has a larger maximum: a. Heart rate Stroke volume 12. Which of the following does NOT decrease in the blood of an aerobically trained person? a. LDL (bad) cholesterol 1). Epinephrine 13. In this image, 0 is pointing at the: Sarcoplasmic reticulum “a? H _ .1. i k . Sarcolemma c. T-tubule d. Myofibril e. Nucleus } fi";rr.;rfiw ‘» our. -‘~ ‘F'I- _m.‘...... Bio 90 Midterm 2 Version C 14. In the following image, Q is pointing attire: a. Thin filament b. I band c e. Thick filament 15. Decreased venous compliance is caused by: a. Increased parasympathetic response b. Decreased parasympathetic response <5 Increased sympathetic response d. Decreased sympathetic response 16. Hypertrophy of the heart causes: The heart to heat more forcefully . The heart to receive more SNS input c. The heart to heat more rapidly d. The heart to fill with blood more easily 17. The vagus is part of the: a. Intrinsic control of heart rate (E Extrinsic control of heart rate c. Intrinsic control of stroke volume d. Extrinsic control of stroke volume Bio 96 Midterm 2 Version C 18. Which is the correct order from smallest to largest? a. Muscle fiber, myofibril, fascicle b. Myofibril, sarcomere, muscle fiber Muscle fiber, fascicle, myofibril Sarcomere, myofibril, muscle e. Myofibril, muscle fiber, sarcomere 19. In order to receive the benefits of aerobic training, a person must keep his or her heart rate at of maximum while exercising. a 2040 % b. 40-60 % ( ;> 60-80 % . 80-100 % 26. What is plaque? a. ‘ Residue from white blood cells and calcium . Extra smooth muscle in the arterial wall c. Dead blood vessel tissue caused by coronary artery disease d. Tears in the artery wall 21. Atherosclerosis can lead to an aneurysm by: ® Weakening the lining of the artery b. Narrowing the diameter of the artery c. Preventing blood flow through the artery d. Thickening the wall of the artery 22. Moderate levels of coronary artery disease is likely to cause: _ a. Atherosclerosis Angina c. Heart attack d. Plaque e. Infarction 23. Atherosclerosis is associated with all of the following EXCEPT: a. Thickening of the artery walls b. Hardening of blood vessel walls c. Damage from high blood pressure d. Plaque (a) Reduced binding of epinephrine 24. The Frank~Starling Law is part of the: a. Intrinsic control of heart rate b. Extrinsic control of heart rate @ Intrinsic control of stroke volume (1. Extrinsic control of stroke volume Bio 96 Midterm 2 Version C 25. Where does blood move most slowly? © Capillaries and venuoles b. Arteries and capillaries c. Arteries and veins (1. Veins and vena cava 26. The “fight or flight” response will cause: a. Decreased heart rate @ Increased venous return 0. Increased vein compliance d. Greater blood flow to muscles 27. Which is the best drug to slow tachycardia? Pilocarpine b. Atropine c. Epinephrine d. Adrenaline 28. For a given intensity of exercise, the aerobically trained person will have a lower: Heart rate . Stroke volume c. Cardiac output d. Blood volume The scantron machine cannot grade your exam if you have not bubbled in your 8-digit Student ID number. It will grade your exam WRONG if you did not bubble in the correct exam version for Question 1. Please go back and make sure you bubbled your exam version correctly. ...
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This test prep was uploaded on 02/19/2008 for the course BIOL 9G taught by Professor Staff during the Spring '07 term at UC Irvine.

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Bio 9G S07 Midterm 2 Version C - Bio 96 Midterm 2 Version...

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