The most rapid conduction of an impulse along an axon occurs on a fiber that is
A) thick and myelinated. B) thin and unmyelinated.
C) thick and unmyelinated. D) thin and myelinated.
A
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The epithelium of the vomeronasal organ is similar to the olfactory epithelium in which way?
A) Both express the same chemoreceptors. B) Physical location C) Both activate the same signal transduction pathway. D) None of the above
Omega-3 fatty acids appear to decrease the risk of heart disease
Indicate whether the statement is true or false
A first-order neuron is
A) the sensory neuron that brings information from the receptor to the CNS. B) one that projects the motor homunculus to the parietal lobe of the cerebellum. C) the first neuron in any pathway. D) a neuron that extends down the spinal cord. E) None of the answers are correct.
A decrease in blood volume will result in
A. decreased urine volume. B. increased ADH (antidiuretic hormone) secretion. C. decreased blood pressure. D. All of the choices are correct.