Exam Review 3 Flashcards

1
Q

Two functional divisions of the autonomic nervous system include

A

Sympathetic and Parasympathetic

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2
Q

Name a neurogila found in the central nervous system

A

Astrocyte
Mircogilia
ependymal
Oiliogodendrocytes

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3
Q

What neurogila are responsible for producing myelin sheaths

A

Oligodendrocytes

Schwann Cells

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4
Q

Clusters of neuron bodies found in the CNS are referred to as

A

Nuclei

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5
Q

The perphel buldge of schwann cell cytoplasm as it secretes myelin sheaths

A

Neurilemma

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6
Q

Bundles of processed in the PNS are called

A

Nerves

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7
Q

The potential difference across membrane of a resting cell is reffered to as

A

Resting membrane potential

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8
Q

Incoming short distance signals are known as

A

Graded potentials

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9
Q

Continuous conduction is faster than salatory conduction

A

false

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10
Q

Action potentials are an all or none phenomenon meaning the depolarization of the membrane must reach a certain _____ in order to generate an action potential

A

Threshold Stimulus

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11
Q

Information leaving the CNS is known as

A

Stomatic and Visceral efferent

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12
Q

The membrane maintains its resting state by

A

the Na-K pump

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13
Q

A synapse that cause depolarization of the post synaptic membrane is known as

A

ESPS

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14
Q

Which of the following are vital for regeneration of damaged peripheral fibers

A

Astrocytes

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15
Q

These Neurons are responsible for shuttling information through the CNS

A

Interneurons

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16
Q

The third ventricle is located near the

A

Diencephalon

17
Q

The area of the brain that controls visual motor information is the

A

Frontal Eye view

18
Q

The gustatory cortex is located in the

A

Insula lobe

19
Q

Nerves that only carry information to the CNS are classified as

20
Q

What is the structure that pyramidal motor tracts use to travel from the cerebrum to the brain stem

A

Cerebral Peduncles

21
Q

Transversely orientated folds in the cerebrum are called

22
Q

Extensions of the pia mater that anchor the spinal cord to the dura mater are

A

Denticulate Ligaments

23
Q

The area of the spinal cord that recieves stomatic information

A

Dorsal Grey horn

24
Q

Ascending pathway contain ___ neurons and deliever ____ information

A

three

sensory

25
A skin prick and a cold compress are all classified as what information
Stomatic afferent
26
Cells that migrate towards the CNS neurons that have been damaged are called
Mircogilla
27
Clusters of cell bodies found within the PNS are
Ganglia
28
Action potentials that travel among the axon toward the cell body of the neuron have
distal direction
29
_____ fibers are the slowest nerve fibers and have the smallest diameter
Group C
30
The resting membrane potential of a neuron is -70mV this is because there are more positive or neg ions on the inside?
More positive on the outside then on the inside
31
In the resting state the neuron cell membrane is highly more permeable to which ion?
K+
32
An increase in cell membrane potential is known as
Hyperpolarization
33
The time from the opening of the Na+ channels untill the resting of these channels
Absolute refractory period