Question 1

A chain of amino acids forms a:

Accepted Answer

A)  protein. 
B)  carboxyl group. 
C)  peptide bond. 
D)  carbohydrate. 
A)  protein. 
B)  carboxyl group. 
C)  peptide bond. 
D)  carbohydrate. A

Question 2

The blood-brain barrier is made up of _____ attached to neurons and blood vessels.

Accepted Answer

A)  astrocytes 
B)  microglia 
C)  Schwann cells 
D)  ependymal cells 
A)  astrocytes 
B)  microglia 
C)  Schwann cells 
D)  ependymal cells A

Question 3

DNA is composed of four nucleotide bases.Which one of the following is NOT a nucleotide base?

Accepted Answer

A)  thymine 
B)  adenine 
C)  histamine 
D)  cytosine 
A)  thymine 
B)  adenine 
C)  histamine 
D)  cytosine C

Question 4

One method that could be used to produce new tissue or organs for transplant to the original donor is:

Accepted Answer

A)  cloning. 
B)  gene transfer. 
C)  knock-in technique. 
D)  selective breeding. 
A)  cloning. 
B)  gene transfer. 
C)  knock-in technique. 
D)  selective breeding.

Question 5

Golgi staining makes use of _____ to stain neurons so they can be viewed under a microscope.

Accepted Answer

A)  cresyl violet 
B)  silver nitrate 
C)  pen ink 
D)  squid ink 
A)  cresyl violet 
B)  silver nitrate 
C)  pen ink 
D)  squid ink

Question 6

The nucleotide sequence MOST common in a population is called the:

Accepted Answer

A)  homozygous allele. 
B)  heterozygous allele. 
C)  wild-type allele. 
D)  mutant allele. 
A)  homozygous allele. 
B)  heterozygous allele. 
C)  wild-type allele. 
D)  mutant allele.

Question 7

The human central nervous system consists of approximately:

Accepted Answer

A)  86 billion neurons. 
B)  1 trillion neurons. 
C)  16 billion neurons. 
D)  1 million neurons. 
A)  86 billion neurons. 
B)  1 trillion neurons. 
C)  16 billion neurons. 
D)  1 million neurons.

Question 8

The simplest neuron is a(n):

Accepted Answer

A)  somatosensory neuron. 
B)  motor neuron. 
C)  bipolar neuron. 
D)  interneuron. 
A)  somatosensory neuron. 
B)  motor neuron. 
C)  bipolar neuron. 
D)  interneuron.

Question 9

_____ are branches extending out of a neuron's cell membrane that allow it to collect information from other cells.

Accepted Answer

A)  Somas 
B)  Axons 
C)  Terminal buttons 
D)  Dendrites 
A)  Somas 
B)  Axons 
C)  Terminal buttons 
D)  Dendrites

Question 10

Which three elements constitute more than 90% of a cell?

Accepted Answer

A)  oxygen,potassium,sodium 
B)  oxygen,hydrogen,sodium 
C)  oxygen,hydrogen,carbon 
D)  carbon,hydrogen,sodium 
A)  oxygen,potassium,sodium 
B)  oxygen,hydrogen,sodium 
C)  oxygen,hydrogen,carbon 
D)  carbon,hydrogen,sodium

Question 11

Interneurons:

Accepted Answer

A)  produce glial cells in the midbrain. 
B)  are responsible for producing myelin sheets. 
C)  are involved in processing sensory information and sending information to the motor neurons. 
D)  are involved in processing motor feedback. 
A)  produce glial cells in the midbrain. 
B)  are responsible for producing myelin sheets. 
C)  are involved in processing sensory information and sending information to the motor neurons. 
D)  are involved in processing motor feedback.

Question 12

The _____ is the core region of the cell that contains the nucleus.

Accepted Answer

A)  dendrite 
B)  axon 
C)  Golgi body 
D)  soma 
A)  dendrite 
B)  axon 
C)  Golgi body 
D)  soma

Question 13

The concordance rates in identical twins for diseases like Alzheimer,schizophrenia,and multiple sclerosis is:

Accepted Answer

A)  100%. 
B)  25%. 
C)  between 90% and 100%. 
D)  between 30% and 60%. 
A)  100%. 
B)  25%. 
C)  between 90% and 100%. 
D)  between 30% and 60%.

Question 14

Myelin around axons:

Accepted Answer

A)  speeds up transmission of information. 
B)  slows down transmission as if by an insulator. 
C)  has no effect on speed of transmission but acts as a protective coat on the fragile axon. 
D)  has no effect on speed of transmission but allows the cell access to nutrition. 
A)  speeds up transmission of information. 
B)  slows down transmission as if by an insulator. 
C)  has no effect on speed of transmission but acts as a protective coat on the fragile axon. 
D)  has no effect on speed of transmission but allows the cell access to nutrition.

Question 15

The place in a cell where protein packages are wrapped and shipped is called:

Accepted Answer

A)  endoplasmic reticulum. 
B)  mitochondrion. 
C)  Golgi body. 
D)  lysosome. 
A)  endoplasmic reticulum. 
B)  mitochondrion. 
C)  Golgi body. 
D)  lysosome.

Question 16

Cell wastes are handled by:

Accepted Answer

A)  Golgi bodies. 
B)  lysosomes. 
C)  microtubules. 
D)  endoplasmic reticulum. 
A)  Golgi bodies. 
B)  lysosomes. 
C)  microtubules. 
D)  endoplasmic reticulum.

Question 17

The notion that two individuals with the exact same genes could end up developing differently is explained by:

Accepted Answer

A)  phenotypic plasticity. 
B)  codominance. 
C)  genetic mutation. 
D)  recessive alleles. 
A)  phenotypic plasticity. 
B)  codominance. 
C)  genetic mutation. 
D)  recessive alleles.

Question 18

Which of the following is NOT one of the ways in which epigenetic mechanisms can influence the expression of a particular gene?

Accepted Answer

A)  ribosome modification 
B)  histone modification 
C)  DNA modification 
D)  mRNA modification 
A)  ribosome modification 
B)  histone modification 
C)  DNA modification 
D)  mRNA modification

Question 19

Astroglia are NOT associated with:

Accepted Answer

A)  expansion of blood vessels. 
B)  the blood-brain barrier. 
C)  formation of scar tissue. 
D)  removal of dead tissue. 
A)  expansion of blood vessels. 
B)  the blood-brain barrier. 
C)  formation of scar tissue. 
D)  removal of dead tissue.

Question 20

Stellate cells are:

Accepted Answer

A)  sensory neurons. 
B)  interneurons. 
C)  motor neurons. 
D)  not affected by either sensory input or motor output. 
A)  sensory neurons. 
B)  interneurons. 
C)  motor neurons. 
D)  not affected by either sensory input or motor output.

Exam 3:What Are the Nervous System's Functional Units? Part C

A chain of amino acids forms a:

The blood-brain barrier is made up of _____ attached to neurons and blood vessels.

DNA is composed of four nucleotide bases.Which one of the following is NOT a nucleotide base?

One method that could be used to produce new tissue or organs for transplant to the original donor is:

Golgi staining makes use of _____ to stain neurons so they can be viewed under a microscope.

The nucleotide sequence MOST common in a population is called the:

The human central nervous system consists of approximately:

The simplest neuron is a(n):

_____ are branches extending out of a neuron's cell membrane that allow it to collect information from other cells.

Which three elements constitute more than 90% of a cell?

Interneurons:

The _____ is the core region of the cell that contains the nucleus.

The concordance rates in identical twins for diseases like Alzheimer,schizophrenia,and multiple sclerosis is:

Myelin around axons:

The place in a cell where protein packages are wrapped and shipped is called:

Cell wastes are handled by:

The notion that two individuals with the exact same genes could end up developing differently is explained by:

Which of the following is NOT one of the ways in which epigenetic mechanisms can influence the expression of a particular gene?

Astroglia are NOT associated with:

Stellate cells are:

What Are the Origins of Brain and Behavior? Part A

What Are the Origins of Brain and Behavior? Part B

What Is the Nervous System's Functional Anatomy? Part A

What Is the Nervous System's Functional Anatomy? Part B

What Is the Nervous System's Functional Anatomy? Part C

What Are the Nervous System's Functional Units? Part A

What Are the Nervous System's Functional Units? Part B

How Do Neurons Use Electrical Signals to Transmit Information? Part A

How Do Neurons Use Electrical Signals to Transmit Information? Part B

How Do Neurons Communicate and Adapt? Part A

How Do Neurons Communicate and Adapt? Part B

How Do Neurons Communicate and Adapt? Part C

How Do Drugs and Hormones Influence the Brain and Behavior? Part A

How Do Drugs and Hormones Influence the Brain and Behavior? Part B

How Do We Study the Brain's Structures and Functions? Part A

How Do We Study the Brain's Structures and Functions? Part B

How Does the Nervous System Develop and Adapt? Part A

How Does the Nervous System Develop and Adapt? Part B

How Does the Nervous System Develop and Adapt? Part C

How Do We Sense, Perceive, and See the World? Part A

How Do We Sense, Perceive, and See the World? Part B

How Do We Sense, Perceive, and See the World? Part C

How Do We Hear, Speak, and Make Music? Part A

How Do We Hear, Speak, and Make Music? Part B

How Do We Hear, Speak, and Make Music? Part C

How Does the Nervous System Respond to Stimulation and Produce Movement? Part A

How Does the Nervous System Respond to Stimulation and Produce Movement? Part B

How Does the Nervous System Respond to Stimulation and Produce Movement? Part C

What Causes Emotional and Motivated Behavior? Part A

What Causes Emotional and Motivated Behavior? Part B

Why Do We Sleep and Dream? Part A

Why Do We Sleep and Dream? Part B

Why Do We Sleep and Dream? Part C

How Do We Learn and Remember? Part A

How Do We Learn and Remember? Part B

How Do We Learn and Remember? Part C

How Does the Brain Think? Part A

How Does the Brain Think? Part B

What Happens When the Brain Misbehaves?

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