Which protein forms a bridge between exposed vessel wall collagen and platelet surface receptors?
A. von Willebrand factor
B. Fibrinogen
C. Endothelin
D. Thromboxanes
Answer: A
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Otitis media is
A) an infection of the pinna. B) also known as swimmer's ear. C) an infection of the middle ear. D) an infection of semicircular canals. E) a ringing in the ears.
Which of the following does NOT normally produce androgens?
A. Leydig cells B. theca cells C. adrenal cortex cells D. Sertoli cells
Which anatomical term is correctly matched with its description?
A. condyle - a small, rounded bump B. tuberosity - a flat, tongue-shaped process C. fossa - adge D. meatus - a tunnel E. spine - a low ridge
Cones
a. are most abundant in the periphery of the retina b. are more numerous than rods c. have high sensitivity to light d. are responsible for color vision e. exhibit more than one of the above characteristics