Alzheimer's disease is thought to involve primarily
A. loss of neurons that secrete or respond to dopamine.
B. tumors that produce excess serotonin.
C. loss of neurons that secrete or respond to catecholamines.
D. loss of cholinergic neurons.
E. loss of adrenergic neurons.
Answer: D
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Which of these is one reason you can distinguish between a needle prick on the foot and an ice cube on the wrist?
A. The action potentials from the needle prick are inherently different from the impulse generated by the ice cube. B. The region of the brain to which one receptor pathway leads is different from the region to which the other pathway leads. C. The needle prick generates a stronger action potential in any one neuron than an ice cube does. D. The needle prick generates a higher frequency of action potentials than the ice cube does. E. The ice cube stimulates a different class of receptors than the needle prick, even though both signals go to exactly the same location in the brain.
The "kitty taco" technique is useful for administering medications
Indicate whether the statement is true or false
The thyroid hormone produces growth-promoting effects directly
Indicate whether the statement is true or false
A butcher who cuts the distal portion of his fingers may cut the ________ tendon.
A. flexor digitorum profundus B. palmaris longus C. adductor pollicis D. flexor carpi ulnaris E. flexor pollicis longus