The Nervous System Exam

The Nervous System Exam >> Introductory Human Physiology

Introductory Human Physiology – All Quizzes Exam Pack (100% Correct)

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1 point

oligodendrocytes

microglial cells

Schwann cells

astrocytes

1 point

the resting membrane potential of the cell

the ion channels that are open in the cell

the concentration of the Na+ on the inside of the cell versus the outside

the gating properties of the Na+ channels

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there are more negative charges on the inside of the cell compared to the outside

that K+ channels are letting K+ into the cell

that the membrane potential is less negative than the resting potential

that the membrane potential is more negative than the resting potential

1 point

have refractory periods

undergo spatial and temporal summation

are self-propagating

do not occur until the membrane reaches threshold

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It slows conduction along dendrites

It occurs only in the central nervous system

It acts to electrically insulate synapses ONLY

It is necessary for saltatory conduction

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closing Na+ channels in the post-synaptic membrane

causing a graded depolarization in the post-synaptic membrane

causing a graded hyperpolarization in the post-synaptic membrane

opening K+ channels in the post-synaptic membrane

1 point

afferent nervous system

central nervous system

parasympathetic nervous system

somatic nervous system

sympathetic nervous system

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sympathetic nervous system

central nervous system

parasympathetic nervous system

somatic nervous system

afferent nervous system

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