Immunoglobulins are roughly _____ -shaped molecules
a. V
b. W
c. X
d. Y
Answer: d
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Which of the following conditions is not associated with an increased tendency for thrombosis?
a. Antiphospholipid antibody syndrome b. Pregnancy c. Malignancy d. Factor VIII deficiency
Which of the following substances is responsible for stimulating the production of gastric acids in the stomach?
a. prostaglandins b. histamine c. thromboxane A2 d. bradykinin
Delivery of the placenta is the conclusion of which stage of labor?
a. first b. second c. third d. fourth
Which of the following statements is TRUE of the second stage of syphilis?
A. Spirochetes produce random and localized lesions only in external organs. B. Spirochetes disseminate from the primary lesion throughout the body. C. Syphilis may produce paresis, gummas, altered gait, blindness, or lethal narrowing of the aorta. D. Spirochetes mass and produce a primary lesion, a chancre. E. Chronic destructive lesions damage the cardiac and neurological systems.