Choose those answer numbers that apply: Serious infections frequently occurring in patients with AIDS include 1. tuberculosis 2. Pneumocystis carinii pneumonia 3. influenza 4. tetanus
A) 1,2
B) 1,4
C) 2,3
D) 3,4
Answer: A) 1,2
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Which of the following emphasizes mechanism over purpose?
a. a person breathes to obtain oxygen. b. a person sweats to cool off. c. a person's stomach secretes digestive juices because it is stimulated by the nervous system. d. a person's heart beats to pump blood. e. a person's kidneys produce urine to eliminate wastes from the body.
With respect to thermoregulation, most fishes are
a. regulators. b. conformers. c. warm-blooded. d. best fried.
Which of the following is INCORRECTLY matched with its function?
A) FSH — stimulates ovarian follicle growth B) estrogen — provides protection against osteoporosis C) calcitonin — inhibits osteoblast activity D) All of the above are matched correctly.
Which of the following is arranged in correct order from the most complex to the simplest?
A) cellular, tissue, molecular, system, organ, organism B) molecular, cellular, tissue, organ, system, organism C) tissue, cellular, molecular, organ, system, organism D) organ, organism, molecular, cellular, tissue, system E) organism, system, organ, tissue, cellular, molecular