The Brain — Unit test Answers

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Pain does all of the following things except __________.

A
indicate potential danger in environment
B
signal presence of injury in the body
C
alert body to presence of disease
D
warn the body about a natural disaster
2
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Which of the following correctly lists the structures through which tactile stimuli travel after being converted into neural signals?

A
spinal cord, somatosensory cortex, thalamus
B
somatosensory cortex, thalamus, spinal cord
C
thalamus, spinal cord, somatosensory cortex
D
spinal cord, thalamus, somatosensory cortex
3

Which of the following correctly lists the structures through which kinesthetic stimuli travels after being converted into neural signals?

A
thalamus, spinal cord, cerebellum, somatosensory cortex
B
somatosensory cortex, cerebellum, thalamus, spinal cord
C
spinal cord, thalamus, cerebellum, somatosensory cortex
D
cerebellum, spinal cord, somatosensory cortex, thalamus
4

All of the following are included in the forebrain except the __________.

A
cerebellum
B
cerebrum
C
thalamus
D
hypothalamus
5

Coordinating movement and our sense of balance is a function of the __________.

A
medulla
B
pons
C
cerebellum
D
brainstem
6

All of the following have been associated with amount of cortisol within the body except __________.

A
experiencing problems with weight
B
development of female sex characteristics
C
experiencing stress
D
blood sugar regulation
7

The adjustable opening in the center of the eye that helps control the amount of light entering the eye is called the __________.

A
cornea
B
fovea
C
pupil
D
iris
8

The __________ nervous system is responsible for our fight-or-flight response.

A
autonomic
B
parasympathetic
C
somatic
D
sympathetic
9

The primary visual cortex is located in the parietal lobe.

A
T
B
F
10

Kyle is holding a bag of 250 jelly beans. When Mark takes out two jelly beans, Kyle is not able to tell a difference. This illustrates __________.

A
Weber’s law
B
absolute threshold
C
sensory adaptation
D
signal detection theory
11

The __________ nervous system controls body functions that do not require thought.

A
central
B
parasympathetic
C
autonomic
D
sympathetic
12

Relaying signals from the neuron to other cells is a function of the __________.

A
axon
B
axon terminals
C
myelin sheath
D
cell body
13

The auditory processing area is in the __________ lobe.

A
frontal
B
occipital
C
parietal
D
temporal
14

Airborne chemical substances travel up the nose to the olfactory __________, which is the receptor for smell.

A
cilia
B
cortex
C
bulb
D
base
15

Which of the following predicts how and when one will detect the presence of weak stimuli amidst background noise?

A
Weber’s theory
B
absolute threshold
C
Weber’s law
D
signal detection theory
16

Abnormal levels of __________ may lead to schizophrenia and Parkinson’s disease.

A
GABA (gamma-aminobutyric acid)
B
glutamate
C
serotonin
D
dopamine
17

Which of the following statements best explains how some neurons in the primary auditory cortex help people recognize and distinguish between the sounds they hear?

A
Some neurons prefer a certain frequency, such as high sounds.
B
Some neurons combine information from the specialist cells.
C
Some neurons categorize sounds into their specific frequency.
D
Some neurons process specific types of sounds, such as voices.
18

Bill, a sports fan who has cheered, screamed out angrily, and cried while watching his favorite team play in a championship basketball game, will most likely have experienced an increase in all the following hormones except __________.

A
epinephrine
B
melatonin
C
testosterone
D
cortisol
19

The notion that our brain organization and anatomy can change is called __________.

A
recovery
B
experience
C
neurogenesis
D
plasticity
20

A spot in the middle of the retina that only contains cones is called the ___________.

A
cornea
B
optic nerve
C
fovea
D
optic disk

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