Phasic receptors
a. exhibit an "off-response"
b. signal a change in stimulus intensity
c. are rapidly adapting receptors
d. exhibit all of the above characteristics
e. exhibit none of the above characteristics
D
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Secretion of insulin causes
A) a decrease in the permeability of cell membranes to glucose. B) an increase in the breakdown of glycogen to release glucose. C) an increase in the concentration of blood glucose. D) a decrease in the concentration of blood glucose.
The shallow recess surrounding the cervical protrusion is known as the
A) isthmus. B) fornix. C) fundus. D) body. E) os.
Receptors of the ________ senses receive the signal of nausea.
A. visceral B. cutaneous C. accommodation D. labyrinthitis
When a skeletal muscle cell contracts and the muscle shortens,
A) myosin heads generate a single power stroke. B) the actin molecule swivels during the power stroke. C) some myosin heads are forming crossbridges as others are releasing them. D) the actin ATPase allows the actin molecule to swivel. E) the position of an actin molecule relative to a myosin molecule does not change.