Question 1

The system which coordinates and integrates behavior by secreting chemicals into the bloodstream is called the ________ system.

Accepted Answer

A)  somatic 
B)  limbic 
C)  autonomic 
D)  endocrine

Question 2

The brain and spinal cord contain about ________ percent of the body's neurons.

Accepted Answer

A)  40 
B)  65 
C)  15 
D)  90

Question 3

Describe the functions of the spinal cord and explain how it works with the brain to sense events and act on them.

Accepted Answer

The answer of Describe the functions of the spinal cord...

Question 4

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 5

The mechanism proposed by Darwin in his theory of evolution stating that organisms best adapted to their environment tend to survive and transmit their genetic characteristics to their offspring, is called ________.

Accepted Answer

A)  mutational transmosis 
B)  natural selection 
C)  behavior genetics 
D)  random adaptation

Question 6

Neurons that carry messages from the sense organs to the spinal cord or the brain are called ________ neurons.

Accepted Answer

A)  afferent 
B)  sensory 
C)  inter- 
D)  efferent

Question 7

A group of axons bundled together is called a ________.

Accepted Answer

A)  nerve 
B)  synaptic vesicle 
C)  primary cluster 
D)  myelinated pathway

Question 8

Broca's area is important in listening and Wernicke's area is important in talking.

Accepted Answer

A) True 
 B)False

Question 9

From an evolutionary perspective, for mate selection in humans, it is most advantageous for ________.

Accepted Answer

A)  both males and females to seek as many mates as possible 
B)  males to seek one long-term mate but for females to seek as many mates as possible 
C)  both males and females to seek one mate for life 
D)  females to seek one long-term mate but for males to seek as many mates as possible

Question 10

An organism's entire unique genetic makeup is called its ________.

Accepted Answer

A)  phenotype 
B)  genotype 
C)  genetic imprint 
D)  polygenic inheritance

Question 11

The hemisphere of the brain most dominant in verbal tasks is the right hemisphere.

Accepted Answer

A) True 
 B)False

Question 12

The area of the frontal lobe that is crucial in our ability to talk is ________ area.

Accepted Answer

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

Question 13

The spinal cord is made up of soft, jellylike bundles of long ________.

Accepted Answer

A)  ligaments 
B)  axons 
C)  dendrites 
D)  tendons

Question 14

Adult brains are not capable of neurogenesis.

Accepted Answer

A) True 
 B)False

Question 15

The function of the neuron's axon is to ________.

Accepted Answer

A)  conduct electrical electrochemical impulses toward other neurons, muscles, or glands 
B)  receive messages from neighboring neurons 
C)  regulate the neuron's life processes 
D)  insulate against leakage of electrical impulses

Question 16

Masculine sex hormones are called ________.

Accepted Answer

A)  androgens 
B)  endorphins 
C)  estrogens 
D)  testosterone

Question 17

Genes can directly cause human behavior.

Accepted Answer

A) True 
 B)False

Question 18

The "all or none law" is the principle stating that ________.

Accepted Answer

A)  a neuron fires at full strength or not at all 
B)  all neurons in an area fire at the same intensity or not at all 
C)  a neuron must be receiving only "fire" messages through its dendrites or it will not fire at all 
D)  all the neurons in a particular area of the brain fire simultaneously or not at all

Question 19

The nervous system is usually divided into two major parts: the central nervous system and the parasympathetic nervous system.

Accepted Answer

A) True 
 B)False

Question 20

The primary purpose of the myelin sheath is to ________.

Accepted Answer

A)  insulate the neuron so it can transmit information more efficiently 
B)  receive messages from outside the neuron and carry them to the cell nucleus 
C)  provide a place for neural respiration and cell metabolism to occur 
D)  provide a soft covering to hold axons in place

Exam 2: The Biological Basis of Behavior

The system which coordinates and integrates behavior by secreting chemicals into the bloodstream is called the ________ system.

The brain and spinal cord contain about ________ percent of the body's neurons.

Describe the functions of the spinal cord and explain how it works with the brain to sense events and act on them.

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.

The mechanism proposed by Darwin in his theory of evolution stating that organisms best adapted to their environment tend to survive and transmit their genetic characteristics to their offspring, is called ________.

Neurons that carry messages from the sense organs to the spinal cord or the brain are called ________ neurons.

A group of axons bundled together is called a ________.

Broca's area is important in listening and Wernicke's area is important in talking.

From an evolutionary perspective, for mate selection in humans, it is most advantageous for ________.

An organism's entire unique genetic makeup is called its ________.

The hemisphere of the brain most dominant in verbal tasks is the right hemisphere.

The area of the frontal lobe that is crucial in our ability to talk is ________ area.

The spinal cord is made up of soft, jellylike bundles of long ________.

Adult brains are not capable of neurogenesis.

The function of the neuron's axon is to ________.

Masculine sex hormones are called ________.

Genes can directly cause human behavior.

The "all or none law" is the principle stating that ________.

The nervous system is usually divided into two major parts: the central nervous system and the parasympathetic nervous system.

The primary purpose of the myelin sheath is to ________.