Question 1

Hydrocephaly is a condition whereby cerebrospinal fluid accumulates around the brain. What supportive cells continue CSF production despite it backing up in the subarachnoid space?

Accepted Answer

A)   astrocytes
B)   microglial cells
C)   oligodendrocytes
D)   macrophages
E)   ependymal cellsF) B) and E)
G) A) and E)

Question 2

The function of acetylcholinesterase is to

Accepted Answer

A)   open voltage-gated sodium gates.
B)   breakdown acetylcholine in the synapse.
C)   produce an IPSP on the postsynaptic membrane.
D)   metabolize norepinephrine.E) All of the above
F) A) and B)

Question 3

Compounds classified as ______ alter synaptic transmission by changing neurotransmitter receptor numbers or affecting the breakdown and/or removal of neurotransmitter.

Accepted Answer

A)   excitatory neurotransmitters
B)   neurohormones
C)   neuromodulators
D)   inhibitory neurotrasnmittersE) B) and C)
F) C) and D)

Question 4

Which of the following events will lead to depolarization?

Accepted Answer

A)   an increase in K+ ions in the extracellular fluid
B)   a decrease in K+ ions in the extracellular fluid
C)   an increase in the rate of diffusion of K+ ions from cells
D)   an increase in Na+ ions in the extracellular fluid
E)   None of these events would cause depolarization.F) A) and B)
G) None of the above

Question 5

The nervous system

Accepted Answer

A)   monitors internal and external stimuli.
B)   transmits information in the form of action potentials.
C)   interprets or assesses information.
D)   maintains homeostasis.
E)   All of these choices are correct.F) A) and D)
G) A) and C)

Question 6

Which of the following is responsible for problem-solving skills?

Accepted Answer

A)   central nervous system
B)   peripheral nervous system
C)   somatic nervous system
D)   autonomic nervous system
E)   None of these choices is correct.F) B) and E)
G) B) and C)

Question 7

The figure is a process figure of the chemical synapse. What does "B" represent?

Accepted Answer

A)   postsynaptic membrane
B)   synaptic cleft
C)   synaptic vesicle
D)   voltage-gated calcium channel
E)   presynaptic terminalF) None of the above
G) B) and E)

Question 8

Enkephalins produce presynaptic inhibition in neurons transmitting pain signals. Increased levels of enkephalins will

Accepted Answer

A)   increase awareness of pain.
B)   decrease awareness of pain.
C)   increase amount of pain.
D)   decrease amount of pain.
E)   have no effect on awareness or amount of pain.F) B) and E)
G) B) and C)

Question 9

Each voltage-gated Na+ ion channel has two voltage sensitive gates: an activation gate and an inactivation gate. Which of the following would occur during depolarization?

Accepted Answer

A)   Activation gates are open; inactivation gates are closed.
B)   Activation gates are closed; inactivation gates are open.
C)   Both activation and inactivation gates are open.
D)   Both activation and inactivation gates are closed.
E)   None of these events occurs during depolarization.F) B) and D)
G) B) and C)

Question 10

What inhibitory neurotransmitter is blocked in strychnine poisoning?

Accepted Answer

A)   glycine
B)   acetylcholine
C)   glutamate
D)   adenosineE) A) and B)
F) All of the above

Question 11

The nervous system and the endocrine system are the major control systems of the body.

Accepted Answer

A) True 
 B)False

Exam 11: Functional Organization of Nervous Tissue

Hydrocephaly is a condition whereby cerebrospinal fluid accumulates around the brain. What supportive cells continue CSF production despite it backing up in the subarachnoid space?

Correct Answer
verified

Each voltage-gated Na+ ion channel has two voltage sensitive gates: an activation gate and an inactivation gate. Which of the following would occur during depolarization?

Correct Answer
verified

The figure is a process figure of the chemical synapse. What does "B" represent?

Correct Answer
verified

Which of the following events will lead to depolarization?

Correct Answer
verified

What inhibitory neurotransmitter is blocked in strychnine poisoning?

Correct Answer
verified

Enkephalins produce presynaptic inhibition in neurons transmitting pain signals. Increased levels of enkephalins will

Correct Answer
verified

The nervous system and the endocrine system are the major control systems of the body.

Correct Answer
verified

Which of the following is responsible for problem-solving skills?

Correct Answer
verified

The function of acetylcholinesterase is to

Correct Answer
verified

The nervous system

Correct Answer
verified

Compounds classified as ______ alter synaptic transmission by changing neurotransmitter receptor numbers or affecting the breakdown and/or removal of neurotransmitter.

Correct Answer
verified

Exam 11: Functional Organization of Nervous Tissue

Hydrocephaly is a condition whereby cerebrospinal fluid accumulates around the brain. What supportive cells continue CSF production despite it backing up in the subarachnoid space?

Correct AnswerverifiedShow Answer

Each voltage-gated Na+ ion channel has two voltage sensitive gates: an activation gate and an inactivation gate. Which of the following would occur during depolarization?

Correct AnswerverifiedShow Answer

The figure is a process figure of the chemical synapse. What does "B" represent?

Correct AnswerverifiedShow Answer

Which of the following events will lead to depolarization?

Correct AnswerverifiedShow Answer

What inhibitory neurotransmitter is blocked in strychnine poisoning?

Correct AnswerverifiedShow Answer

Enkephalins produce presynaptic inhibition in neurons transmitting pain signals. Increased levels of enkephalins will

Correct AnswerverifiedShow Answer

The nervous system and the endocrine system are the major control systems of the body.

Correct AnswerverifiedShow Answer

Which of the following is responsible for problem-solving skills?

Correct AnswerverifiedShow Answer

The function of acetylcholinesterase is to

Correct AnswerverifiedShow Answer

The nervous system

Correct AnswerverifiedShow Answer

Compounds classified as ______ alter synaptic transmission by changing neurotransmitter receptor numbers or affecting the breakdown and/or removal of neurotransmitter.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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