The release of catecholamine by the adrenal glands provides which compensatory mechanism in hypovolemic shock?
a. Interstitial fluid moves out of the vascular compartment.
b. Systemic vascular resistance is decreased.
c. Heart rate is increased.
d. Water excretion is increased.
Answer: c. Heart rate is increased.
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The person who presented a similar theory of evolution to that of Darwin was:
a. Charles Lyle. b. Alfred Wallace. c. Thomas Malthus. d. Alfred Wegener. e. Robert Ballard.
Osmosis is the diffusion of which of the following across a membrane?
a. Water b. Solutes c. Gradients d. Proteins
Which of the following is properly matched?
a. osteoblasts; bone breakdown b. osteocytes; initial bone formation c. osteoclasts; initial bone formation d. osteoclasts; bone breakdown e. osteoblasts; imprisoned in bony matrix
An animal that feeds on living material but does not kill the animal it feeds on is a
A. prey. B. host. C. parasite. D. predator.