Question 1

Which of the following is true of the terminal buttons?

Accepted Answer

A) they are the long tail-like part of a neuron that acts as a transmitter 
B) they form the cell body of the neuron and process information 
C) they extend outward from a neuron and receive information from other neurons 
D) they contain chemicals important in neural transmission

Question 2

Brain researchers using ____________________ are able to record electrical activity occurring in the brain by placing recording electrodes on the scalp.

Accepted Answer

The answer of Brain researchers using ____________________ are able to...

Question 3

The drug L-Dopa can sometimes cause schizophrenia-like symptoms because it increases levels of:

Accepted Answer

A) serotonin 
B) acetylcholine 
C) dopamine 
D) GABA

Question 4

The imaging technique that uses radioactive chemicals to produce a pictorial blueprint of brain activity is:

Accepted Answer

A) an electroencephalogram (EEG) 
B) a computerized tomography scan (CT scan) 
C) positron emission tomography (PET) 
D) magnetic resonance imaging (MRI)

Question 5

Agonists are drugs that:

Accepted Answer

A) block the action of neurotransmitters 
B) increase the number of excitatory synapses in the brain 
C) increase the number of inhibitory synapses in the brain 
D) mimic the action of neurotransmitters

Question 6

The central nervous system is made up of the somatic and the autonomic nervous systems.

Accepted Answer

A) True 
 B)False

Question 7

Messages travel between neurons:

Accepted Answer

A) chemically 
B) cognitively 
C) electrically 
D) behaviorally

Question 8

The language used by the cells in the nervous system to communicate is ____________________.

Accepted Answer

The answer of The language used by the cells in...

Question 9

Among the neurotransmitters in the brain, ____________________ affects sleeping, dreaming, and general arousal.

Accepted Answer

The answer of Among the neurotransmitters in the brain, ____________________...

Question 10

Darnell was a monkey who was extremely aggressive and often flew into uncontrollable rages.Brain researchers lesioned portions of Darnell's forebrain, and he became extremely passive and docile.Based on what is known about the functions of structures within the forebrain, you should conclude that these researchers most likely lesioned portions of Darnell's:

Accepted Answer

A) occipital lobe 
B) amygdala 
C) hippocampus 
D) substantia nigra

Question 11

An excitatory message causes:

Accepted Answer

A) channels to open in the neuron's membrane that allow chloride ions to flow out 
B) channels to open in the neuron's membrane that allow sodium ions to flow in 
C) channels to open in the neuron's membrane that allow potassium ions to flow in 
D) the neuron's sodium/potassium pump to be inactivated

Question 12

In the brain, the ____________________ lobe is primarily involved in visual processing.

Accepted Answer

The answer of In the brain, the ____________________ lobe is...

Question 13

Chantelle's doctors think she may have a brain tumor, and they would like to use a brain-imaging technique that will provide them with accurate images of her brain structures.The technique that they are most likely to use would be:

Accepted Answer

A) an electroencephalogram (EEG) 
B) positron emission tomography (PET) 
C) a computerized tomography scan (CT scan) 
D) brain lesioning

Question 14

Which of the following is false of glial cells?

Accepted Answer

A) they fill up space in the nervous system 
B) they help neurons communicate more efficiently 
C) they wrap around portions of neurons acting as insulation 
D) they carry information toward the spinal cord and brain

Question 15

Based on what is known about the functions of the lobes within the cerebral cortex, if researchers discovered a new animal, and the animal's parietal lobe had larger areas dedicated to the toes than to the fingers, you should expect that the animal's:

Accepted Answer

A) fingers are probably more sensitive to pain than the toes are 
B) toes are probably more flexible than the fingers are 
C) fingers are probably more flexible than the toes are 
D) toes are probably more sensitive to pain than the fingers are

Question 16

Within the cerebral cortex, the sense of touch is mainly localized within the:

Accepted Answer

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

Question 17

Byron's car skidded across the rain-slicked road, into oncoming traffic.He was able to regain control and avoid an accident.As he sat in his car on the side of the road his blood pressure decreased and his heartbeat slowed.Byron's blood pressure and heart rate returned to normal levels due to activity within his:

Accepted Answer

A) somatic nervous system 
B) sympathetic nervous system 
C) parasympathetic nervous system 
D) cerebellum

Question 18

A trait that has been selected for because it increases the reproductive fitness of the organism is a(n):

Accepted Answer

A) phenotype 
B) transmission 
C) gene 
D) adaptation

Question 19

The central nervous system consists of:

Accepted Answer

A) the body's sensory and motor neurons 
B) the brain and the spinal cord 
C) the somatic and autonomic nervous systems 
D) the sympathetic and parasympathetic nervous systems

Question 20

The endocrine system provides the body with a mechanism for both widespread and long-term communication that cannot be produced by interactions among neurons.

Accepted Answer