In mitral valve prolapse, the mitral valve
A. bulges into the left atrium during ventricular contraction.
B. is missing as a result of abnormal development.
C. has an extra cusp.
D. bulges into the left atrium during ventricular relaxation.
Answer: A
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All of the following are true of lymphocytes except that
A) they spend most of their time in lymphoid tissue. B) they have relatively long life spans. C) they have one nucleus. D) they are granulocytes. E) some produce antibodies.
The right kidney is slightly lower because __________.
a) it is displaced by the liver b) it is displaced by the heart c)it is slightly smaller d) it needs protection of the lower ribs
Name 3 items that must be sterile for surgical assisting
What will be an ideal response?
Contraction of smooth muscle requires:
A. myosin light-chain phosphorylation B. Ca++-dependent activation of calcineurin C. binding of Ca++ to troponin C D. an action potential in the smooth muscle cell E. inhibition of Rho kinase