Where is simple columnar epithelium located?
A) lining of the small intestine B) forming the air sacs of the lungs
C) lining of the nasal cavity D) lining the esophagus
Answer: A
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In order to accommodate the large liver,
A. the right kidney is about 2 centimeters inferior to the left kidney. B. the left kidney is about 2 centimeters inferior to the right kidney.
Which of the following structures of the ear function(s) as (an) organ(s) in the sense of equilibrium?
A. Cochlea B. Eustachian tube C. Bony labyrinth D. Vestibule and semicircular ducts E. Pinna
_________ Glands have vesicles that release their secretion by exocytosis, whereas _________ glands secrete a mixture of disintegrated cells and their products.
A) Endocrine; exocrine. B) Mucous; serous. C) Cytogenic; apocrine. D) Mucous; cutaneous. E) Merocrine; holocrine.
Neurotransmitter is being released at a synapse. Which of the following occurs last?
A. Calcium ions enter the presynaptic terminal. B. Synaptic vesicles release neurotransmitter by exocytosis. C. An action potential is produced in the postsynaptic membrane. D. Neurotransmitter flows rapidly across the synaptic cleft. E. Neurotransmitter binds with the receptor on the postsynaptic membrane.