Endorphins act primarily by ________
a. picking up serotonin from the synaptic cleft.
b. altering the effects of neurotransmitters.
c. blocking synaptic activity.
d. causing action potentials in neurons.
Answer: b
You might also like to view...
Describe some of the possible effects and some of the effects that are not thought to be possible of a person under hypnosis
What will be an ideal response?
Effective test administration is likely to
a. increase error and lower test reliability. b. increase error and raise test reliability. c. decrease error and lower test reliability. d. decrease error and raise test reliability.
Barrabas watches as his mother leaves the room, but he does not cry because he understands that his mother still exists even though he cannot see her. This is an example of which reaction concept?
A. Sensorimotor substage 2: First habits and primary circular reactions B. Sensorimotor substage 1: Simple reflexes C. Sensorimotor substage 3: Secondary circular reactions D. Sensorimotor substage 4: Object permanence
Research from behavioral geneticists has found that as we get older, genetic influences on intelligence are _____ in importance, shared influences are ______ in importance, and nonshared environmental influences are _____ in importance.
A. decreasing; decreasing; increasing B. decreasing; increasing; decreasing C. increasing; increasing; decreasing D. increasing; decreasing; increasing