An action oing dcribimilarity between cardiac and smooth muscle cells? b The maj

Question

An action oing dcribimilarity between cardiac and smooth muscle cells? b The majority of Cas Q Action potentials are genera D) An extensive system of T tubules is prsent. E) Ca release and contraction 6. Which of the A) An action pixedentaction comes from ial always precedes a contraction. e that activates contraction comes from the extracellular fluid ted by slow waves. strengths are graded. 7. If a small amount of urea were added to an isoosmotic saline solution containing cells, what an would be the result? A) The cells would shrink and remain that way B) The cells would first shrink and then C) The cells would swell and remain that way D) The E) Urea would have no effect, not even transiently rapidly be restored to normal volume. e cells would first swell and then rapidly be restored to normal volume. 8. The specificity of an antibody is determined by A) The fixed segment (or constant fragment) B) The size of the antibody C) D) E) The variable region The antigenic determinants The antibody dlass 9. GH influences bone growth by stimulating the secretion offrom the liver and other tissues. A) insulin B) calciunm C) Insulin-like growth factor D) Calcitonin E) Vitamin D 10. In an experimental situation, a virus is injected into a rabbit and the rabbit is allowed to make antibodies for the viral antigen. These antibodies are then removed from the rabbit plasma and injected into a human to help combat the same viral disease. This is an example of A) Innate immunity B) Passive immunity C) Active immunity D) Autoimmunity E) Anaphylaxis 11. If a person has a mean arterial pressure would be A) 100 mmHg B) 80 mm Hg C) 93 mm Hg systolic blood pressure of 120 mm Hg, and a pulse pressure of 40 mmHg her D) 200 mm Hg E) 40 mm Hyg

Explanation / Answer

6) A

7) D

8) The variable region

9) C)IGF

10) Passive immunity

11) The diastolic pressure here is 120-40=80mm

So the blood pressure is 120/80 mmHg

Now the mean arterial pressure is (2x diastolic+ systolic)/3=(160+120)/3=280/3= 93 mmHg

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