Which of the following does not characterize the sympathetic nervous system?
a. It promotes responses that prepare the body for strenuous physical activity.
b. It is part of the autonomic nervous system.
c. It has norepinephrine as its postganglionic neurotransmitter.
d. It is always excitatory (that is, it increases the activity in every tissue it innervates).
e. It is part of the efferent division of the peripheral nervous system.
D
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Which type of innervation causes reduced blood flow to the digestive tract?
A. Parasympathetic B. Sympathetic
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.
Which of the following is not true of the polar bodies in the female?
A. The function of expelling polar bodies is to rid the oocyte of unnecessary/excess genetic material. B. The polar bodies eventually degenerate. C. The polar bodies are approximately the same size as the oocyte. D. There are typically two polar bodies for each oocyte that is fertilized, but sometimes there are three. E. All of these are true of the polar bodies in the female.
In nonpregnant women, ____________ inhibits secretion of substantial amounts of prolactin
A. GnRH B. dopamine C. estrogen D. progesterone