Characteristics of Sensations, and Classification of Receptors Flashcards

1
Q

A ______ is defined as the conscious or subconscious awareness of changes in the
external or internal environment.

A

sensation

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2
Q

Special senses include

A
Smell
Taste
Vision
Hearing
Equilibrium
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3
Q

General senses include

A

Somatic

Visceral

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4
Q

Somatic senses include…

A

tactile
thermal
pain
proprioceptive sensations

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5
Q

Visceral senses provide sensations from

A

Internal Organs

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6
Q

What are these?

(a) There must be a stimulus.
(b) A sensory receptor must convert the stimulus to an electrical signal.
(c) A nerve pathway conducts the information to the brain.
(d) A region of the brain translates or integrates the nerve impulse into a sensation.

A

conditions that must be satisfied for a sensation to occur

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7
Q

Perceptions are the conscious awareness and interpretation of sensations. This is primary function of what part of the brain?

A

cerebral cortex

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8
Q

_______ is the decrease in the strength of a sensation during prolonged exposure
to a stimulus

A

Adaption

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9
Q

What causes the perception of a sensation to fade or disappear even though the stimulus is still present.

A

Adaption

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10
Q

What type of receptor

Detects mechanical deformation of adjacent cells

A

Mechanoreceptors

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11
Q

What type of receptor

detect changes in temperature

A

Thermoreceptors

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12
Q

What type of receptor?

detects pain

A

Nociceptors

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13
Q

What type of receptor detects light?

A

Photoreceptors

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14
Q

What type of receptor detects the presence of chemicals in solution?

A

Chemoreceptors

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15
Q

What type of receptor detects the osmotic pressure of fluids?

A

Osmoreceptors

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16
Q

What type of receptor?

A