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HES 300 > Unit 2 > Flashcards

Unit 2 Flashcards

1
Q

At the neuromuscular junction, what neurotransmitter in the peripheral nervous system initiates skeletal muscle contraction?

A

Acetylcholine

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2
Q

What is true regarding resting membrane potential?

A

The resting membrane potential is -70mV
There is more sodium (Na+) outside the cell

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3
Q

What makes up the central nervous system?

A

Brain
Spinal Cord

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4
Q

What are the two branches of the peripheral nervous system?

A

Somatic
Autonomic

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5
Q

What makes up the autonomic nervous system?

A

Sympathetic nervous system
Parasympathetic nervous system

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6
Q

What is an action of the sympathetic nervous system?

A

Pupil Dilation

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7
Q

What cell forms the myelin sheath in the peripheral nervous system (PNS)?

A

Schwann Cell

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8
Q

What type of conduction occurs along a myelinated axon?

A

Saltatory conduction

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9
Q

Put the sequence of events for an action potential in chronological order:

A
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HES 300 (6 decks)

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