31-40

Question 1

Which of the following does not normally change during the life span?

Answer 1

Genotype

Question 2

Melatonin is released almost exclusively

Answer 2

At night

Question 3

Müllerian ducts develop to form

Answer 3

Internal female reproductive structures

Question 4

In depression the Hypothalamic-Pituitary-Adrenal (HPA) Axis is

Answer 4

Apparently hyperactive since serum cortisol levels are elevated

Question 5

Stimulation of a photoreceptor results in the generation of ______ in the receptor

Answer 5

A graded hyperpolarization

Question 6

In the neuromuscular junction

Answer 6

Acetylcholine is released and muscle fibers produce action potentials

Question 7

The lowest level at which impulses from the two ears interact is the

Answer 7

Olivary nucleus (superior olivary nucleus)

Question 8

Presynaptic autoreceptors

Answer 8

Monitor and regulate the level of transmitter release

Question 9

In contrast to cortical somatosensory area S1, sensory area S2 maps

Answer 9

Both sides of the body

Question 10

The term ‘hyperpolarization’ refers to

Answer 10

Movements of the resting membrane potential away from 0mV