When the level of blood flow is not ideally matched with the amount of airflow in a localized area of lung tissue,
a. autoregulatory mechanisms are invoked
b. the autonomic nervous system couples the events more ideally
c. and if airflow is low and blood flow too high, arteriolar vasoconstriction occurs
d. both a and b occur
e. both a and c occur
E
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An abnormally high red blood cell count is called __________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not a function of luteinizing hormone?
a. Stimulates the growth of an egg follicle in the ovary b. Causes ovulation of the egg c. Causes the testes to secrete testosterone d. All of the above are functions of luteinizing hormone
Typical sympathetic postganglionic fibers that release norepinephrine at neuroeffector synapses are classified as
A) non-secretory. B) cholinergic. C) adrenergic. D) norepinephric. E) None of the answers are correct.
The sensation of dental pain is derived from the ________ nerve.
A. trigeminal B. hypoglossal C. vagus D. glossopharyngeal E. accessory