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ANP 1106 > Sensory > Flashcards

Sensory Flashcards

1
Q

What does the PNS incude?

A

All neural structures outside the brain and spinal cord

Sensory receptors, peripheral nerves, associated ganglia, autonomic NS and motor endings

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2
Q

What is the purpose of the PNS?

A

Provides links to and from the external environment

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3
Q

How does the PNS receive input?

A

Sensory receptors

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4
Q

What is sensation?

A

Awareness of changes in the internal and external environment

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5
Q

What is perception?

A

Conscious interpretation of those stimuli

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6
Q

What is receptor level?

A

Sensory receptors

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7
Q

What is circuit level?

A

Ascending pathways

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8
Q

What is perception level?

A

Cerebral cortex interpretation of sensory input

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9
Q

True or False: The CNS can use input from the PNS but it doesn’t have to have it?

A

False- The CNS is dependent on input from the PNS

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10
Q

What is the PNS divided into?

A

Sensory (afferent) division
Motor (efferent) division

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11
Q

What is the motor (efferent) division divided into?

A

Somatic Nervous System
Autonomic Nervous System (ANS)

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12
Q

What is the autonomic nervous system divided into?

A

Sympathetic division
Parasympathetic division

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13
Q

What sensory receptors fall under the category of Nonencapsulated?

A

Free nerve endings of sensory neurons

Modified free nerve endings of epithelial tactile complexes

Hair follicle receptors

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14
Q

Which receptor surrounds hair follicles?

A

Hair follicle receptors

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15
Q

Which sensory receptors are located in the basal layer of the epidermis?

A

Modified free nerve endings of the epithelial tactile complexes

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16
Q

What do the epithelial tactile complexes consist of?

A

Merkel cells and discs

17
Q

Which sensory receptors are located in most body tissues and epithelia?

A

Free endings of sensory neurons

18
Q

What are the functional classes of sensory receptors categorized based on?

A

Location (L)
Stimulus type (S)

19
Q

What functional classes do each nonencapsulated sensory receptors have in common?

A

All types of exteroceptors and mechanoreceptors

20
Q

What sensory receptors fall under the category of encapsulated?

A

Tactile (Meissner’s) corpuscles

Lamellar (Pacinian) corpuscles

Bulbous corpuscles (Ruffini endings)

Muscle Spindles

Tendon organs

Joint kinesthetic receptors

ANP 1106 (9 decks)

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