Which of the following describes the electrical impulse that provides the basis for the conduction of a neural impulse along an axon of a neuron?
A) An action potential
B) The Moro reflex
C) A resting potential
D) The Babinski reflex
A
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Activation of autoreceptors tends to ____
a. increase further neurotransmitter release b. stimulate GABA release c. increase sodium-potassium pump activity d. decrease further neurotransmitter release
Dante's penis has experienced contractions and is about to release semen. He is likely to be in the __________ stage of the sexual response cycle according to Masters and Johnson
a) resolution b) plateau c) orgasm d) excitement
Studies of adopted children and both their biological and adoptive parents indicate that
a. heredity does not influence IQ because the IQ scores of adopted children do not resemble those of their biological parents. b. environment does not influence IQ because the IQ scores of adopted children do not resemble those of their adoptive parents. c. the impact of the environment on IQ increases as children grow older. d. the impact of heredity on IQ increases as children grow older.
What illegal substance, when used by pregnant women, produces an intense restriction of the arteries causing a significant reduction in the flow of blood and oxygen to the fetus,
and increases the risks of fetal death and a number of birth defects and disabilities? a) cocaine b) marijuana c) AZT d) amphetamines