Question 1

The subfield of psychology concerned with the roots of behaviors and mental processes is ________.

Accepted Answer

A)  psychoneuroendocrinology 
B)  evolutionary psychology 
C)  behavior genetics 
D)  psychobiology

Question 2

R. Rosenzweig examined rats by studying the ________.

Accepted Answer

A)  behavioral effects of lesions in different parts of their brains 
B)  sexual orientation effects of prenatal exposure to maternal hormones 
C)  effects on their brains of electrical stimulation to the frontal and parietal lobes 
D)  effects on their brains of exposure to impoverished or enriched environments

Question 3

The sympathetic division carries messages to the body which tell it to prepare for an emergency.

Accepted Answer

A) True 
 B)False

Question 4

Another term for a neural impulse is a(n) ________ potential.

Accepted Answer

A)  resting 
B)  kinetic 
C)  graded 
D)  action

Question 5

After an industrial accident in which George fell from a scaffold and hit his head, he has had trouble following directions or completing his normal work tasks. He is also apathetic, although he has periods of boastfulness and silliness. The damaged part of his brain is probably the ________ lobes.

Accepted Answer

A)  occipital 
B)  parietal 
C)  temporal 
D)  frontal

Question 6

The brain of the average human being contains approximately 86 billion __________.

Accepted Answer

A)  neurons 
B)  lobes 
C)  glands 
D)  nerves

Question 7

If an incoming message is not strong enough to cause a neuron to fire, it may cause a shift in the electrical charge of just a tiny area of the neuron. This shift, which quickly fades away, is called a(n) ________.

Accepted Answer

A)  resting potential 
B)  action potential 
C)  transitional polarization 
D)  graded potential

Question 8

Amy has suffered damage to Wernicke's area in her brain. She is most likely to exhibit ________ aphasia.

Accepted Answer

A)  inclusive 
B)  receptive 
C)  occlusive 
D)  expressive

Question 9

The action potential causes neurotransmitters to be released into the ________.

Accepted Answer

A)  cell membrane 
B)  synaptic space 
C)  axon 
D)  myelin sheath

Question 10

The main ingredient of genes and chromosomes is glucagon.

Accepted Answer

A) True 
 B)False

Question 11

"Split brain" patients are patients who have had ________.

Accepted Answer

A)  their cerebellum split in the middle 
B)  their brain stem cut down the middle 
C)  their corpus callosum cut 
D)  a prefrontal lobotomy

Question 12

Define neuron, axon, dendrite, cell body, and myelin sheath. In your definitions, be sure to describe the specific functions of each item.

Accepted Answer

The answer of Define neuron, axon, dendrite, cell body, and...

Question 13

Fraternal twins are ________ similar genetically than are other brothers and sisters.

Accepted Answer

A)  much more 
B)  much less 
C)  no more 
D)  slightly more

Question 14

You're walking all alone down a dark street when suddenly you hear a scream and then footsteps coming closer and closer. Your heart begins to pound, you're scared stiff, and you feel like running. Which part of the nervous system causes your body's reaction?

Accepted Answer

A)  the somatic nervous system 
B)  the autonomic nervous system 
C)  the midbrain 
D)  the hippocampus

Question 15

The part of the brain responsible for emotional behavior such as experiencing rage, terror, or pleasure is the ________.

Accepted Answer

A)  amygdala 
B)  hippocampus 
C)  thalamus 
D)  hypothalamus

Question 16

Messages from the sense receptors are registered in those areas of the brain called the ________.

Accepted Answer

A)  hemispheric lateralization areas 
B)  primary somatosensory cortex 
C)  motor projection areas 
D)  association areas

Question 17

Allan gingerly puts his fingertips on the hot handle of the skillet in which he's cooking supper, but he instantly pulls his hand away. His reaction is due to the functioning of the ________.

Accepted Answer

A)  medulla 
B)  limbic system 
C)  spinal cord 
D)  hypothalamus

Question 18

The axon of a neuron is often surrounded by a fatty covering called the myelin sheath.

Accepted Answer

A) True 
 B)False

Question 19

Structural imaging techniques are used to ________.

Accepted Answer

A)  study overall activity in particular regions of the brain 
B)  map structures in the living brain 
C)  study single neurons 
D)  observe neural activity as it reacts to sensory stimuli

Question 20

Research on human brain tissue has found that human brains are ________.

Accepted Answer

A)  capable of neurogenesis only during early childhood 
B)  capable of neurogenesis only through adolescence 
C)  capable of neurogenesis even in adulthood 
D)  not capable of neurogenesis after birth

Exam 2: The Biological Basis of Behavior

The subfield of psychology concerned with the roots of behaviors and mental processes is ________.

R. Rosenzweig examined rats by studying the ________.

The sympathetic division carries messages to the body which tell it to prepare for an emergency.

Another term for a neural impulse is a(n) ________ potential.

After an industrial accident in which George fell from a scaffold and hit his head, he has had trouble following directions or completing his normal work tasks. He is also apathetic, although he has periods of boastfulness and silliness. The damaged part of his brain is probably the ________ lobes.

The brain of the average human being contains approximately 86 billion __________.

If an incoming message is not strong enough to cause a neuron to fire, it may cause a shift in the electrical charge of just a tiny area of the neuron. This shift, which quickly fades away, is called a(n) ________.

Amy has suffered damage to Wernicke's area in her brain. She is most likely to exhibit ________ aphasia.

The action potential causes neurotransmitters to be released into the ________.

The main ingredient of genes and chromosomes is glucagon.

"Split brain" patients are patients who have had ________.

Define neuron, axon, dendrite, cell body, and myelin sheath. In your definitions, be sure to describe the specific functions of each item.

Fraternal twins are ________ similar genetically than are other brothers and sisters.

You're walking all alone down a dark street when suddenly you hear a scream and then footsteps coming closer and closer. Your heart begins to pound, you're scared stiff, and you feel like running. Which part of the nervous system causes your body's reaction?

The part of the brain responsible for emotional behavior such as experiencing rage, terror, or pleasure is the ________.

Messages from the sense receptors are registered in those areas of the brain called the ________.

Allan gingerly puts his fingertips on the hot handle of the skillet in which he's cooking supper, but he instantly pulls his hand away. His reaction is due to the functioning of the ________.

The axon of a neuron is often surrounded by a fatty covering called the myelin sheath.

Structural imaging techniques are used to ________.

Research on human brain tissue has found that human brains are ________.