P221_2004_Exam 1

P221_2004_Exam 1 - Pharmacy 221 10/4/2004 Exam 1 Name:_ Dr....

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Page 1 Pharmacy 221 10/4/2004 Exam 1 Name:_____________________________________ Dr. Langner Pick your final answer for each question. 1. If during exercise the stroke volume increases from a normal level of 70cc to 140cc and the heart rate increases 70 beats per min. to 100 beats per min. this would mean that every minute during the exercise period: A. 14000 cc of blood will move out of the right ventricle B. 14000cc of blood move out of the left atrium into the left ventricle C. 14000 cc of blood will enter the capillaries of the skeletal muscle D. All of the above are correct E. None of the above are correct 2. At a given point in a capillary the capillary oncotic pressure is 25 mmHg, the interstitial fluid has an osmotic pressure of 5 mmHg and the hydrostatic pressure within the capillary is 30 mmHg. At this point would you have capillary filtration or absorption and what would the pressure be? A. Neither filtration or absorption because the pressure would be zero B. Filtration at a pressure of 10 mmHg C. Absorption at a pressure of 10 mmHg D. Filtration at a pressure of 30 mmHg E. None of the above are correct 3. Which of the following statements correctly describes the venous system? A. The veins can accommodate large changes in blood volume with little change in internal pressure. B. Compression of the skeletal muscles in the legs helps to move blood back to the heart because of the presence of one-way valves in the veins. C. Activation of the parasympathetic nervous system an important method for increasing the overall capacity of the venous system because activation of the parasympathetic nervous system causes relaxation of the smooth muscle in veins. D. A and B are correct E. A, B, & C are correct
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Page 2 4. Which of the following correctly describe the activities of the lymphatic system? A. The function of the lymphatic vessels is to return plasma proteins, which have leaked into the interstitial space, back to the blood. B. An increase in the plasma colloid osmotic pressure would tend to increase the flow of lymph C. If the activity of the lymphatic system were to become slowed, the reabsorption of interstitial fluids by capillaries would be significantly increased. D. A and B are correct E. A, B, & C are correct 5. Stretching the baroreceptors in the aortic arch will result in: A. an increase in stroke volume B. a decrease in parasympathatic activity from the cardiovascular center in the medulla C. an increase in transmission of impulses in the nerve leading to the cardiovascular center in the medulla of the CNS D. A and B are correct E. A, B, & C are correct 6. An individual has stroke volume of 66 cc; a heart rate of 65 beats per minute; a systolic blood pressure of 140 mm Hg and a pulse pressure of 60 mm Hg. What is the mean blood pressure of this individual? A.
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P221_2004_Exam 1 - Pharmacy 221 10/4/2004 Exam 1 Name:_ Dr....

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