Question 1

Schwann cells and oligodendrocytes have similar functions.

Accepted Answer

A) True 
 B)False

Question 2

Destruction of astrocytes would decrease the rate at which action potentials are transmitted.

Accepted Answer

A) True 
 B)False

Question 3

White matter is

Accepted Answer

A)  myelinated axons in the CNS.
B)  myelinated axons in the PNS.
C)  nonmyelinated cell bodies and dendrites in the CNS.
D)  nonmyelinated axons in the CNS.E) A) and D)
F) None of the above

Question 4

Cells become more negative during hyperpolarization.

Accepted Answer

A) True 
 B)False

Question 5

Nerve cells depolarize due to the influx of K+.

Accepted Answer

A) True 
 B)False

Question 6

Sensory nerves regulate muscle contraction.

Accepted Answer

A) True 
 B)False

Question 7

Endocannabinoids are retrograde NTs, meaning they are

Accepted Answer

A)  released from presynaptic neurons and diffuse to the postsynaptic neuron.
B)  released from postsynaptic neurons and diffuse to the presynaptic neuron.
C)  released from presynaptic neurons and diffuse back to the presynaptic cell body.
D)  None of the choices are correct.E) B) and C)
F) A) and D)

Question 8

The average resting membrane potential of a neuron is -85mV.

Accepted Answer

A) True 
 B)False

Question 9

Endogenous opioids transmit impulses of pain.

Accepted Answer

A) True 
 B)False

Question 10

Acetylcholine can induce hyperpolarization by

Accepted Answer

A)  binding to nicotinic receptors.
B)  binding to muscarinic receptors.
C)  binding to a-adrenergic receptors.
D)  binding to b-adrenergic receptors.E) A) and C)
F) B) and C)

Question 11

Muscarinic Ach receptors act through ____________ activation of K+ channels.

Accepted Answer

A)  cGMP
B)  G-protein
C)  M-protein
D)  ATPE) None of the above
F) A) and B)

Exam 7: The Nervous System

Cells become more negative during hyperpolarization.

Correct Answer
verified

White matter is

Correct Answer
verified

Schwann cells and oligodendrocytes have similar functions.

Correct Answer
verified

Endogenous opioids transmit impulses of pain.

Correct Answer
verified

Endocannabinoids are retrograde NTs, meaning they are

Correct Answer
verified

Nerve cells depolarize due to the influx of K⁺.

Correct Answer
verified

Destruction of astrocytes would decrease the rate at which action potentials are transmitted.

Correct Answer
verified

Muscarinic Ach receptors act through ____________ activation of K⁺ channels.

Correct Answer
verified

Sensory nerves regulate muscle contraction.

Correct Answer
verified

The average resting membrane potential of a neuron is -85mV.

Correct Answer
verified

Acetylcholine can induce hyperpolarization by

Correct Answer
verified

Exam 7: The Nervous System

Cells become more negative during hyperpolarization.

Correct AnswerverifiedShow Answer

White matter is

Correct AnswerverifiedShow Answer

Schwann cells and oligodendrocytes have similar functions.

Correct AnswerverifiedShow Answer

Endogenous opioids transmit impulses of pain.

Correct AnswerverifiedShow Answer

Endocannabinoids are retrograde NTs, meaning they are

Correct AnswerverifiedShow Answer

Nerve cells depolarize due to the influx of K+.

Correct AnswerverifiedShow Answer

Destruction of astrocytes would decrease the rate at which action potentials are transmitted.

Correct AnswerverifiedShow Answer

Muscarinic Ach receptors act through ____________ activation of K+ channels.

Correct AnswerverifiedShow Answer

Sensory nerves regulate muscle contraction.

Correct AnswerverifiedShow Answer

The average resting membrane potential of a neuron is -85mV.

Correct AnswerverifiedShow Answer

Acetylcholine can induce hyperpolarization by

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Nerve cells depolarize due to the influx of K⁺.

Correct Answer
verified

Correct Answer
verified

Muscarinic Ach receptors act through ____________ activation of K⁺ channels.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified