Define stretch reflex
A) A stretch reflex is an example of a withdrawal reflex that contracts the flexor muscles of a limb in response to a painful stimulus.
B) A stretch reflex is a polysynaptic reflex that activates extensor muscles in the opposite leg or arm when a flexor reflex is activated.
C) A stretch reflex is a monosynaptic reflex that activates extensor muscles in the opposite leg or arm when a flexor reflex is activated.
D) A stretch reflex is a monosynaptic reflex that provides regulation of skeletal muscle length.
E) A stretch reflex is a polysynaptic reflex that provides regulation of skeletal muscle length.
Answer: D
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Fill in the blank with correct word.
One effect of ADH is to:
A) decrease urine volume. B) increase blood osmolality. C) decrease blood volume. D) all of these
Effector cells that respond to acetylcholine released from postganglionic neurons have
A. muscarinic receptors. B. adrenergic receptors. C. nicotinic receptors. D. macrotinic receptors. E. somatotrophic receptors.
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