Question 1

What are the differences between left-brain and right-brain people?

Accepted Answer

A)  Right brain people are more analytical. 
B)  Left brain people are more argumentative. 
C)  Both a and b 
D)  It is misleading to categorize people in this manner.

Question 2

What are the two major parts of the human nervous system?

Accepted Answer

A)  Central and somatic 
B)  Central and peripheral 
C)  Peripheral and autonomic 
D)  Peripheral and sympathetic

Question 3

Oxytocin is an example of ____.

Accepted Answer

A)  cerebrospinal fluid 
B)  a toxin 
C)  a hormone 
D)  a fluid

Question 4

The action of neurotransmitters to receptors is likened to a(an)____.

Accepted Answer

A)  car in a tunnel 
B)  key and a lock 
C)  lighthouse sweep 
D)  image in a mirror

Question 5

____ can range in length from 1/32 of an inch to more than three feet.

Accepted Answer

A)  Axons 
B)  Soma 
C)  Dendrites 
D)  Neurons

Question 6

The process of taking the neurotransmitters back into the terminal buttons from which they were initially released and repackaging them into new synaptic vesicles is known as ____.

Accepted Answer

A)  reuptake 
B)  synaptic transmission 
C)  neurotransmission 
D)  inhibition

Question 7

According to the findings of the Human Genome Project,humans have only about ____ genes.

Accepted Answer

A)  30,000 
B)  18,000 
C)  12,000 
D)  40,000

Question 8

What happens when people eat beyond their bodily needs?

Accepted Answer

A)  The number of fat cells increase 
B)  The size of fat cells increase 
C)  Both a and b 
D)  Neither a nor b

Question 9

The central part of the neuron is known as the ____.

Accepted Answer

A)  soma 
B)  dendrite 
C)  axon 
D)  myelin sheath

Question 10

An extension of the soma which carries information from the soma to the other end of itself is called the ____.

Accepted Answer

A)  dendrite 
B)  axon 
C)  myelin sheath 
D)  synapse

Question 11

____ do not have chromosomes in them.

Accepted Answer

A)  Human sex cells 
B)  Red blood cells 
C)  Egg cells 
D)  Muscle cells

Question 12

Which neurotransmitter is involved in our ability to walk,talk,blink our eyes,and breathe?

Accepted Answer

A)  Norepinephrine 
B)  Serotonin 
C)  Dopamine 
D)  Acetylcholine

Question 13

The function of dendrites is to ____.

Accepted Answer

A)  send information to other neurons 
B)  detect stimuli inside the body and send this information from sensory receptors to the brain 
C)  receive information from other neurons and bring it to the soma 
D)  insulate the neuron

Question 14

In the condition referred to as "Fight or Flight" which part of the nervous system activates the body's energy system to respond to threatening situations?

Accepted Answer

A)  Peripheral 
B)  Somatic 
C)  Parasympathetic 
D)  Sympathetic

Question 15

A man and a woman both suffered from a stroke that damaged the left hemisphere of their brain.During their recovery,the woman experiences fewer language deficits than the man.What is the best explanation for this difference?

Accepted Answer

A)  There is less cerebral lateralization for language in women. 
B)  Women tend to recover faster from brain injuries than men. 
C)  Language capabilities are centered in an entirely different brain location for women than for men. 
D)  Women have higher language capabilities in general than men,so the effects of a brain injury are not as severe for women.

Question 16

Which amino acid is needed by the brain for the synthesis of serotonin?

Accepted Answer

A)  Leucine 
B)  Lysine 
C)  Methionine 
D)  Tryptophan

Question 17

The underlying genetic composition of an organism is referred to as ____.

Accepted Answer

A)  phenotype 
B)  genotype 
C)  genes 
D)  DNA

Question 18

Research suggests there are differences in which abilities for men and women?

Accepted Answer

A)  Verbal 
B)  There are no differences 
C)  Spatial 
D)  Both a and c

Question 19

When depolarization occurs in a part of the axon,the resting potential is eliminated and a brief electrochemical charge is sent to the next section far away from the soma.This electrical disturbance is called ____.

Accepted Answer

A)  threshold 
B)  action potential 
C)  polarization 
D)  chain reaction

Question 20

The brain produces endorphins in response to ____.

Accepted Answer

A)  muscle decay 
B)  memory reduction 
C)  injury and physical stress 
D)  blood loss

Exam 2: Neural and Genetic Bases of Behavior