Postganglionic autonomic fibers
a. end in a single terminal swelling, like a synaptic knob, that releases the neurotransmitter.
b. have numerous varicosities in their terminal branches that simultaneously release neurotransmitter over a large area of the innervated organ rather than on single cells.
c. innervate skeletal, smooth, and cardiac muscle.
d. both (a) and (c) above.
e. both (b) and (c) above.
B
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The ventricles of the brain communicate with
A. the central canal of the spinal cord. B. the subarachnoid space. C. each other. D. All of the above
What is the correct order for the vertebral regions, from superior to inferior?
A. Cervical - thoracic - sacral - coccygeal - lumbar B. Thoracic - sacral - lumbar - thoracic - coccygeal C. Cervical - thoracic - lumbar - sacral - coccygeal D. Thoracic - coccygeal - cervical - lumbar - sacral E. Thoracic - cervical - lumbar - coccygeal - sacral
Which of the following is NOT a route of giving medications?
a. by mouth c. ophthalmic b. aural d. dram
Most blood flow through the coronary vessels occurs during ventricular systole when the heart is driving blood forward
Indicate whether the statement is true or false