What substance inhibits both the intrinsic and extrinsic clotting pathways?
A) thromboxane A2
B) von Willebrand factor
C) fibrin
D) protein C
E) arachidonic acid
Ans: D) protein C
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Which animal is incorrectly matched with the anatomical feature associated with feeding?
A) Sponge : choanocytes B) Hydra : tentacles C) Snail : radula D) Spider : proboscis
The pelvic pain line:
A) characterizes pelvic pain referral areas based on the inferior limit of peritoneum. B) is at the level of the first sacral segment. C) refers to the vertebral level at which the pain associated with parturition is most severe. D) is only relevant during childbirth. E) relates to the referred pain felt in the midsagittal plane after hysterectomy.
Sweating:
a. is an active evaporative heat-loss process under sympathetic nervous control. b. is the only means of losing heat when the environmental temperature is warmer than body temperature. c. can be regulated by sympathetic activity d. both (a) and (b) above. e. all of the above
The most significant complication of infant prematurity is infant respiratory distress syndrome, which occurs because very young premature infants cannot produce ______________
A. surfactant B. blood C. oxygen D. erythropoietin E. growth hormone