What would most likely happen if there were a decrease in the number of acetylcholine receptors in an NMJ?
A) decreased neurotransmitter release into the synaptic cleft
B) increased sodium ion influx at the motor endplate
C) decreased action potential generation at the motor endplate
D) increased action potential generation at the motor endplate
C
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Which of the following are responsible for a receptor adapting to a stimulus?
A) Na+ channel inactivation only B) Na+ channel inactivation or K+ channel opening C) opening of Na+ channels only D) opening of K+ channels only E) K+ channel inactivation only
A female snake will probe 6-10 scale lengths when determining gender
Indicate whether the statement is true or false
Secondary spermatocytes each contain
What will be an ideal response?
What is not true about the cerebral arterial circle (circle of Willis)?
A) It surrounds the brain stem. B) It may provide an alternative set of pathways for blood to reach brain tissue. C) It is an example of an anastomosis. D) It lies at the base of the brain.