Which is not characteristic of neurons?
A. High metabolic rate
B. Extreme longevity
C. High mitotic rate
D. Require continuous supplies of glucose and oxygen
E. No exceptions; all of these are characteristic of neurons
Answer: C
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There are three layers of neurons in the retina. The axons of which of these neuron layers form the optic nerves?
A) rod cells B) ganglion cells C) bipolar cells D) cone cells
The synovial membrane
A. is a double layer of tissue that encloses a joint. B. is a thin lubricating film covering the surface of a joint. C. provides a smooth surface where bones meet. D. is a layer of tissue that is continuous with the periosteum. E. lines the joint everywhere except over the articular cartilage.
Which is the primary absorptive organ of the digestive system?
a. salivary glands. b. oral cavity. c. stomach. d. small intestine. e. colon.