When considering leverage, the part of the bone from the muscle attachment to the joint would be the
A. fulcrum.
B. resistance arm.
C. effort arm.
Answer: C
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The release of hormones from the adrenal medulla is stimulated by
A. adrenocorticotropic hormone. B. the sympathetic division of the autonomic nervous system. C. follicle-stimulating hormone. D. growth hormone. E. thyrotropic hormone.
Why is it important to use an antibiotic other than ampicillin in the treatment of bacterial pneumonia?
A. Because antibiotics such as ampicillin destroy the cell walls of bacteria which cause a toxin to be released that will destroy cardiac muscle cells. B. Because antibiotics such as ampicillin cause the cells lining blood vessels to endocytose bacteria and deposit them in cardiac muscle tissue. C. Because antibiotics such as ampicillin are not effective in the treatment of bacterial pneumonia. D. Because antibiotics such as ampicillin destroy the cell walls of cardiac muscle cells.
Homeostatic mechanisms in response to blood loss include all of the following except
A) uptake of interstitial fluid due to reduced capillary pressure. B) inhibition of EPO secretion. C) activation of ADH secretion. D) activation of aldosterone secretion. E) increased thirst and water intake.
Which of the following is a viral disease?
a. coccidiosis c. rabies b. tetanus d. rocky mountain spotted fever