MOCK EXAM 3 CORRECTED VERSION

MOCK EXAM 3 CORRECTED VERSION - Mock Exam 3 BY124 SI,...

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Unformatted text preview: Mock Exam 3 BY124 SI, Summer 2010 1. Which of the following is the first to contribute to the breakdown of carbohydrates in the digestive system? a. duodenum b. pancreas c. parotid gland d. gallbladder e. liver 2. The destruction of helper T cells would greatly impair a. cell-mediated immunity b. humoral response c. proper functioning of CD8 molecules d. both a and b e. all of the above 3. Which of the following correctly lists the order of blood flow beginning at the pulmonary arteries: a. right atrium, right ventricle, left atrium, left ventricle, aorta, body b. aorta, left ventricle, left atrium, pulmonary veins, body, right ventricle c. left ventricle, pulmonary veins, lungs, aorta, body, right atrium, right ventricle d. pulmonary vein, left atrium, left ventricle, right atrium, bicuspid valve, right ventricle e. lungs, left atrium, left ventricle, aorta, body, right atrium, right ventricle For questions 4-7, choose from the five classes of antibodies below. Each answer choice may be used once, more than once, or not at all. A. IgG B. IgA C. IgM D. IgE E. IgD 4. Confers passive immunity to young infants after birth A 5. Present in saliva and tears A 6. Overabundance can t rigger anaphylactic shock D 7. Can harm developing fetus G 8. Unlike mammals, birds a. have three-chambered hearts b. thermoregulate externally c. take in oxygen during exhalation d. rely on mechanical digestion e. lack a t rue alimentary canal 9. Which of the following facilitates the production of fatty acids in the digestive system through the addition of water molecules? a. lipase b. amylase c. pepsin d. bile e. dipeptidase 10. At the venule end of capillary beds a. blood pressure exceeds osmotic pressure b. red blood cells are forced into the interstitial fluid c. high concentration of albumin causes the movement of fluid into the capillaries d. there is a net movement of fluid into surrounding tissue cells e. blood pressure is equal to blood pressure at the arterial end 11. A deficiency in vitamin K would most DIRECTLY inhibit a. the activation of helper T cells b. the activation of fibrinogen c. the production of thrombin d. the adhesion of platelets to damaged collagen fibers e. the binding of oxygen to hemoglobin 12. All of the following are t rue of countercurrent exchange EXCECPT a. it allows fish to absorb more than fifty percent of oxygen in water b. it is an important adaption for fish c. it reduces the energy cost of ventilating the gills d. it can only occur with an expenditure of ATP in the lamellae of the gills e. as a result of it, the concentration of oxygen is higher in water that in blood at every point along the lamellae 13. Which of the following play a role in both innate and acquired immunity?...
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MOCK EXAM 3 CORRECTED VERSION - Mock Exam 3 BY124 SI,...

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