quiz questions

Question 1

If a hamster is kept in a laboratory and receives no information about changes in day length or temperature (i.e. housed in constant dark), its rhythms will eventually _______, with a daily cycle that lasts a bit longer than 24 hours.

Answer 1

become free-running

Question 2

The external cue that animals use to discern the time of day is called a

Answer 2

zeitgeber

Question 3

If SCN neurons are transplanted from animal A to animal B, and animal B previously had its SCN lesioned, animal B’s rhythmicity will

Answer 3

match animal A’s rhythm

Question 4

Slow, large-amplitude waves are seen in the EEG records of people who are in _______ sleep.

Answer 4

stage 3

Question 5

Flaccidity in the large muscles of the body is associated most commonly with _______ sleep.

Answer 5

REM

Question 6

Experimental evidence suggests that the biological role of SWS and REM sleep may be related to the

Answer 6

consolidation of perceptual learning

Question 7

Electrical stimulation of the reticular formation leads to immediate

Answer 7

awakening

Question 8

in humans, somnambulism usually occurs during ______ sleep

Answer 8

Stage 3

Question 9

It has been speculated that sudden infant death syndrome (SIDS) may be a consequence of a form of

Answer 9

sleep apnea

Question 10

the receptors that detect drops in extracellular volume are located in the..

Answer 10

vascular system

Question 11

the hormone _____ is generated in the kidney via a cascade of enzymatic actions in response to hypovolemia

Answer 11

angiotensin ll

Question 12

the response to increase in the salt concentration of the extracellular solution is called ______ thirst

Answer 12

osmotic

Question 13

which pancreatic hormone promotes the conversion of glycogen to glucose

Answer 13

glucagon

Question 14

an excess of glucose in urine is symptomatic of

Answer 14

diabetes mellitus

Question 15

research on the effects of leptin indicates that activation of POMC neurons in the hypothalamus

Answer 15

suppresses hunger

Question 16

the population of beneficial bacteria, fungi, and viruses that inhabit the large intestine of human beings is referred to as a

Answer 16

microbiome

Question 17

the ______ muscles are essential for accommodation

Answer 17

ciliary

Question 18

In the scotopic system, the relationship between the number of visual receptor cells and the number of ganglion cells demonstrates a _______ of information.

Answer 18

convergence

Question 19

the optic disc is the

Answer 19

area of the retina through which the axons of the ganglion cells exit

Question 20

which pathway accurately describes the route for the passage of visual information to the brain

Answer 20

optic nerve, optic tract, optic radiations

Question 21

In _______ cells, light falling in the center of the cell causes excitation, and light falling in the surround causes inhibition.

Answer 21

on-center/off-surround

Question 22

simple cortical visual cells are most likely to be activated by

Answer 22

bars of particular width, orientation, and locations in the visual field

Question 23

damage to cortical are V5 results in an inability to perceive

Answer 23

motion

Question 24

the ____ hypothesis proposed that there are separate receptors the retina sensitive to blue, green, and red

Answer 24

trichromatic

Question 25

the ventral stream system of visual processing is said to specialize in processing information about

Answer 25

“what”

Question 26

the most common age-related cause of vision loss is

Answer 26

macular degeneration