The neurotransmitter released at terminal ganglia is ________.
A. dopamine
B. acetylcholine
C. epinephrine
D. norepinephrine
Answer: B
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__________ cells in the respiratory mucosa secrete mucus.
Fill in the blank(s) with the appropriate word(s).
Sympathetic nerves
A) provoke feelings of sympathy. B) allow us to relax, rest, and recover. C) are bundles of postganglionic fibers that innervate organs within the thoracic cavity. D) control swallowing. E) stimulate gastric secretion.
The motor pathway of the autonomic nervous system usually involves ________ neurons
A) three B) four C) no D) two E) one
In a patient with an abnormally leaky aortic valve, what would you expect?
A. Some backflow of blood into the aorta during ventricular diastole B. Some backflow of blood into the aorta during ventricular ejection C. Some backflow of blood into the left atrium during ventricular systole D. Some backflow of blood into the left ventricle during ventricular diastole E. Some backflow of blood into the left ventricle during ventricular ejection