Question 1

The brain of the average human being contains approximately 100 billion __________.

Accepted Answer

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

Question 2

The hormone that causes the anterior pituitary gland to release hormones that prolong responses to stress, thus causing you to remain aroused for some time after extreme emotional excitement is ________.

Accepted Answer

A)  epinephrine 
B)  acetylcholine 
C)  norepinephrine 
D)  dopamine

Question 3

The notion that human language is primarily controlled by the left hemisphere was first set forth by ________.

Accepted Answer

A)  Wernicke 
B)  Gall 
C)  Broca 
D)  Korsakoff

Question 4

The tiny fibers branching out from the cell body of a neuron are called axons.

Accepted Answer

A) True 
 B)False

Question 5

Briefly discuss the purposes of and describe the procedure for studying the brain within each of the following general areas: microelectrode techniques, macroelectrode techniques, structural imaging, functional imaging.

Accepted Answer

The answer of Briefly discuss the purposes of and describe...

Question 6

The primary motor cortex is located in the ________ lobe.

Accepted Answer

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

Question 7

Which of the following is not true of all neurotransmitters?

Accepted Answer

A)  They are released into the synaptic space. 
B)  They are chemicals. 
C)  They either increase or decrease the likelihood the next neuron will fire. 
D)  They are destroyed by chemicals in the synapse.

Question 8

Incoming messages are combined into meaningful impressions in the ________ areas.

Accepted Answer

A)  motor projection 
B)  association 
C)  convolution 
D)  sensory projection

Question 9

Define and describe the uses for and limitations of family studies, twin studies, and adoption studies. What has been learned from these studies about the role of heredity in shaping human personality?

Accepted Answer

The answer of Define and describe the uses for and...

Question 10

The human genome contains about ________ genes.

Accepted Answer

A)  80,000 to 85,000 
B)  60,000 to 65,000 
C)  20,000 to 25,000 
D)  40,000 to 45,000

Question 11

________ plays a critical role as a transmitter where neurons meet skeletal muscles.

Accepted Answer

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

Question 12

It's midnight and you are alone in your room studying. You hear a loud crash outside your room and your whole body reacts instantly. Your pupils dilate, your heart rate increases, your blood pressure rises, adrenaline surges through your body, and your senses sharpen as you begin anxiously looking for whatever caused the crash. These reactions are produced by the ________.

Accepted Answer

A)  parasympathetic division 
B)  central nervous system 
C)  sympathetic division 
D)  somatic nervous system

Question 13

Before birth, human embryos have a large supply of cells known as ________ cells, which are capable of becoming neurons.

Accepted Answer

A)  Schwann 
B)  glial 
C)  mast 
D)  stem

Question 14

The most recent part of the nervous system to evolve is the ________.

Accepted Answer

A)  cerebellum 
B)  cerebral cortex 
C)  limbic system 
D)  midbrain

Question 15

After a head injury a person reports that she is unable to see, although her eyes are uninjured. A doctor would suspect an injury in the ________ lobe.

Accepted Answer

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

Question 16

The ________ nervous system links the brain and spinal cord to the rest of the body.

Accepted Answer

A)  peripheral 
B)  generic 
C)  central 
D)  tertiary

Question 17

One process by which physicians can test a fetus, in the womb, for possible genetic abnormalities (defects) is called ________.

Accepted Answer

A)  ultrasound 
B)  positron emission tomography scanning 
C)  amniocentesis 
D)  immunotherapy

Question 18

The two main components of the human nervous system are the ________ nervous system and the ________ nervous system.

Accepted Answer

A)  central; peripheral 
B)  spinal; endocrine 
C)  sympathetic; parasympathetic 
D)  somatic; autonomic

Question 19

The sum total of all genes within a human cell is ________.

Accepted Answer

A)  polygenetic inheritance 
B)  the human genome 
C)  the human phenotype 
D)  homogenetic inheritance

Question 20

Terminal buttons release chemicals called ________.

Accepted Answer

A)  hormones 
B)  neurotransmitters 
C)  antibodies 
D)  antigens

Exam 2: The Biological Basis of Behavior