Which of the following correctly describes transitional epithelial tissue?
A. A single layer of epithelial cells
B. Epithelial tissue designed to stretch
C. Epithelial tissue appears to be layered
D. Stacked layers of epithelial cells
Answer: B
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Most endocrine control systems involve ____________________ and hormonal components
Fill in the blank(s) with correct word
Select the incorrect statement about the parasympathetic nervous system
a. It signals cardiac muscle and smooth muscle. b. Its postganglionic fibers release norepinephrine. c. Its preganglionic fibers release ACh. d. Part of it originates in the brain. e. Part of it originates in the sacral region of the spinal cord.
Alpha-1-adrenergic receptors are mediated by ________.
A. Ca2+ B. Na+ C. cAMP D. K+
Which of the following is correct regarding the occipital lobe?
A) It is concerned with voluntary motor functions. B) It is chiefly concerned with mood, memory, and emotions. C) It is likely to play a role in understanding spoken language. D) It is the principal visual center of the brain. E) It is the primary site for receiving and interpreting signals from the general senses.