Practice exam m/c and t/f

Question 1

More of the visual cortex is devoted to the fovea

Answer 1

true

Question 2

Hippocampus is devoted to long term memory

Answer 2

false

Question 3

Inferior temporal lobe uses spatial information to guide actions

Answer 3

false

Question 4

The left planum temporale is larger in right handed people

Answer 4

true

Question 5

Ependymal cells produce csf

Answer 5

true

Question 6

Sodium potassium pumps at the nodes of ranvier aid in saltatory conduction

Answer 6

true

Question 7

Dendrites develop on cells before differentiation

Answer 7

false

Question 8

Calcium ions aid in neural response by causing an action potential

Answer 8

false

Question 9

Endocannabinoids trigger hunger, stress relief, and sleep

Answer 9

true

Question 10

fMRIs have high spatial resolution but low temporal resolution

Answer 10

true

Question 11

ERPs are too sensitive for humans

Answer 11

false

Question 12

The blood-brain barrier is made up of astrocytes connected to blood vessels

Answer 12

true

Question 13

Effects of cocaine can be mimicked with amphetamines

Answer 13

true

Question 14

Ions carry charges due to the gain or loss of protons

Answer 14

false

Question 15

peptide hormones enter cells and attach to DNA, thereby altering gene expression

Answer 15

false

Question 16

the ________ produces hormones that stimulate the _______ to secrete releasing hormones into the circulatory system

Answer 16

hypothalamus, pituitary gland

Question 17

Dendrites of touch-sensitive neurons are activated by

Answer 17

the stretching of K+ channels

Question 18

Action potentials can only travel in one direction because

Answer 18

the refractory periods prevent the backflow of ions

Question 19

Sensory transduction is the process by which

Answer 19

energy is converted into a change in membrane potential

Question 20

Wernicke’s aphasia is associated with

Answer 20

deficits in the comprehension of language

Question 21

Substances that often result in a use disorder increase ______ activity in the nucleus accumbens

Answer 21

dopamine

Question 22

Which of the following is the correct sequence of brain development?
A) cell birth, cell differentiation, cell migration, cell maturation
B) cell birth, cell migration, cell differentiation, cell maturation
C) cell birth, cell maturation, cell differentiation, cell migration
D) cell birth, cell maturation, cell differentiation, cell migration

Answer 22

B

Question 23

According to René Descartes, the:
A) body influences the mind.
B) pineal body is the mind.
C) mind resides in the pineal gland which influences the body by directing fluids
from the ventricles to the muscles.
D) pineal gland is the mind and influences the body by directing fluids from the
ventricles to the muscles.

Answer 23

C

Question 24

Rats raised in “stimulating” environments solve mazes faster than those raised in
laboratory environments. This change in behavior is most likely mediated by:

Answer 24

increased dendritic complexity of cortical neurons

Question 25

Cortical myelination

Answer 25

varies by cortical region

Question 26

Which of the following is a criterion for identifying a neurotransmitter?
A) The transmitter must be synthesized in the neuron or otherwise be present in it.
B) When the neuron is active, the transmitter must be released and must produce a
response in some target.
C) A mechanism must exist for removing the transmitter from its site of action after
its work is done.
D) All of the above are criteria for identifying a neurotransmitter.

Answer 26

D

Question 27

If you eat something that generates hydrogen ions in your mouth, you will probably detect a ______ taste

Answer 27

sour

Question 28

One practical issue researchers must take into account when deciding how to examine a
patient or study subject is temporal resolution. What does this refer to?

Answer 28

How quickly a measurement or image is obtained

Question 29

Which of the following does not take place in the temporal lobe:
A. object identification
b. proprioception
c. sound processing
d. memory consolidation

Answer 29

b