Question 1

Which of the following does NOT describe motor neurons?

Accepted Answer

A)  They have large cell bodies.
B)  They have long axons.
C)  They reside in the cerebellum.
D)  They have extensive dendritic networks.

Question 2

Phagocytosis, or the breakdown of any foreign tissue or dead brain cells, is carried out by:

Accepted Answer

A)  astrocytes.
B)  microglial cells.
C)  ependymal cells.
D)  oligodendroglial cells.

Question 3

How does genetic engineering help us understand the human condition?

Accepted Answer

Genetic engineering, also known as genet...

Question 4

_____ are involved in transporting molecules and help give a cell its shape.

Accepted Answer

A)  axons
B)  Golgi bodies
C)  proteins
D)  microtubules

Question 5

Differentiate between Santiago Ramón y Cajal's and Camillo Golgi's views on brain cell functioning.

Accepted Answer

Santiago Ramón y Cajal and Camillo Golgi...

Question 6

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.

Question 7

What is the BEST analogy for a neuron?

Accepted Answer

A)  a multi-input computational device with many output wires
B)  a multi-input computational device with one output wire
C)  a single-input computational device with many output wires
D)  a single-input computational device with two output wires

Question 8

_____ are a special type of interneuron found in the cerebellum.

Accepted Answer

A)  Purkinje cells
B)  Motor neurons
C)  Bipolar neurons
D)  Glial cells

Question 9

Which neurons are responsible for producing behavior?

Accepted Answer

A)  bipolar neurons
B)  motor neurons
C)  interneurons
D)  sensory neurons

Question 10

Greg accidentally cuts his fingertip with a knife. The next day he notices that his fingertip seems numb to the touch. Greg is very concerned about this, but you tell him not to worry because nerves in the _____ regenerate thanks to _____.

Accepted Answer

A)  central nervous system; oligodendroglial cells.
B)  central nervous system; Schwann cells
C)  peripheral nervous system; Schwann cells
D)  peripheral nervous system; oligodendroglial cells

Question 11

_____ are tumors that begin in one part of the body and spread to another part of the body.

Accepted Answer

A)  Meningiomas
B)  Gliomas
C)  Metastatic tumors
D)  Gangliomas

Question 12

Characteristic facial features, short stature, heart defects, and intellectual impairment are signs of:

Accepted Answer

A)  Brain tumors.
B)  Tay-Sachs disease.
C)  Down syndrome.
D)  Huntington disease.

Question 13

_____ 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

Question 14

_____ are single fibers that carry messages to other neurons.

Accepted Answer

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

Question 15

How does the creation and study of robots help us understand nervous system function?

Accepted Answer

The creation and study of robots can hel...

Question 16

Which of the following is true of neurons?

Accepted Answer

A)  They all have the same number of dendrites.
B)  They usually have several axons.
C)  They are all remarkably similar in size.
D)  Each has only one axon.

Question 17

Differentiate between dominant and recessive genes.

Accepted Answer

Dominant and recessive genes refer to th...

Question 18

Expressed genetic traits of an individual are referred to as their:

Accepted Answer

A)  genotype.
B)  phenotype.
C)  wild type.
D)  mutation.

Question 19

Which of the following statements is TRUE?

Accepted Answer

A)  In the central nervous system Schwann cells serve as guideposts to show axons where to terminate when regeneration occurs.
B)  In the peripheral nervous system Schwann cells serve as signposts to guide axons to their appropriate end points.
C)  Schwann cells cannot help damaged axons because neither the central nor the peripheral nervous system can regenerate.
D)  Schwann cells are present only in the developing organism and thus have nothing to do with regeneration.

Question 20

Glial cells are primarily responsible for the:

Accepted Answer

A)  reception of sensory information.
B)  support of neurons.
C)  processing of information.
D)  production of actions or motor outputs.

Exam 3: What Are the Nervous Systems Functional Units

_____ are single fibers that carry messages to other neurons.

Correct AnswerverifiedShow Answer

Greg accidentally cuts his fingertip with a knife. The next day he notices that his fingertip seems numb to the touch. Greg is very concerned about this, but you tell him not to worry because nerves in the _____ regenerate thanks to _____.

Correct AnswerverifiedShow Answer

_____ are tumors that begin in one part of the body and spread to another part of the body.

Correct AnswerverifiedShow Answer

Differentiate between Santiago Ramón y Cajal's and Camillo Golgi's views on brain cell functioning.

Correct AnswerAnswered by ExamLex AISantiago Ramón y Cajal and Camillo Golgi...View AnswerShow Answer

Expressed genetic traits of an individual are referred to as their:

Correct AnswerverifiedShow Answer

Which of the following is true of neurons?

Correct AnswerverifiedShow Answer

Which of the following statements is TRUE?

Correct AnswerverifiedShow Answer

_____ are involved in transporting molecules and help give a cell its shape.

Correct AnswerverifiedShow Answer

Glial cells are primarily responsible for the:

Correct AnswerverifiedShow Answer

How does the creation and study of robots help us understand nervous system function?

Correct AnswerAnswered by ExamLex AIThe creation and study of robots can hel...View AnswerShow Answer

What is the BEST analogy for a neuron?

Correct AnswerverifiedShow Answer

Which of the following does NOT describe motor neurons?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Characteristic facial features, short stature, heart defects, and intellectual impairment are signs of:

Correct AnswerverifiedShow Answer

Which neurons are responsible for producing behavior?

Correct AnswerverifiedShow Answer

Differentiate between dominant and recessive genes.

Correct AnswerAnswered by ExamLex AIDominant and recessive genes refer to th...View AnswerShow Answer

_____ are a special type of interneuron found in the cerebellum.

Correct AnswerverifiedShow Answer

Phagocytosis, or the breakdown of any foreign tissue or dead brain cells, is carried out by:

Correct AnswerverifiedShow Answer

The human central nervous system consists of approximately:

Correct AnswerverifiedShow Answer

How does genetic engineering help us understand the human condition?

Correct AnswerAnswered by ExamLex AIGenetic engineering, also known as genet...View AnswerShow Answer

Correct Answer
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Greg accidentally cuts his fingertip with a knife. The next day he notices that his fingertip seems numb to the touch. Greg is very concerned about this, but you tell him not to worry because nerves in the _ regenerate thanks to _.

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Santiago Ramón y Cajal and Camillo Golgi...
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The creation and study of robots can hel...
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Dominant and recessive genes refer to th...
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Correct Answer
Answered by ExamLex AI
Genetic engineering, also known as genet...
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