Touch, Dermatomes And Referred Pain Flashcards

1
Q

What are the somatic sensations?

A

Pressure
Touch
Pain
Temperature
Proprioception

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2
Q

How do the Slavic sensations differ from other sensory systems?

A
  1. Receptors are distributed throughout the body
  2. Responds to many different kinds of stimuli
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3
Q

Where do somatic sensations come from?

A

From the skin, bones, tendons and joints

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4
Q

What type of receptor are the touch receptors?

A

Mechanoreceptors

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5
Q

Where do the Mechanoreceptors for touch reside?

A

Dermis of the skin

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6
Q

What are the Mechanoreceptors sensitive to?

A

Physical distortion

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7
Q

Where does sensation of touch begin?

A

Skin

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8
Q
A

A = hair receptor

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9
Q

Where are the exteroceptors?

A

Skin

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10
Q

Where are the interoceltors?

A

Viscera

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11
Q

Where are the proprioceptors?

A

Muscles and joints

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12
Q

What primarily senses skin stretching, movement and finger position?

A

Ruffini corpuscles

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13
Q

Where do the sensory information pass?

A

Dorsal root ramus (columns)

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14
Q

What information do the dorsal columns carry?

A

Information about tactile sensation (and limb position) towards brain

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15
Q
A

A = gasserion ganglion
B = trigeminal nerve nucleus

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16
Q

What is an example of a peripheral nerve lesion?

A

Glove and socking - in diffuse neuropathies

17
Q

What are nerve root lesions associated with?

A

Dermatologist pattern of sensory loss

18
Q
A

A = mid brain stem lesion

B = hemisphere lesion (thalmic lesion), loss of sensation over the wholecondralateral, half of body

19
Q

What is a dermatome?

A

The area of skin supplied by a particular spinal/ cranial nerve

20
Q
A
21
Q

What spinal nerves are responsible for gastric ulcer pain?

A

T7-T8

22
Q

Can you feel sensation heart attack sensation in your arm?

A

Yes

23
Q

What do nocirecepyors detect?

A

Pain

24
Q

What receptor detects water concentration in blood?

A

Osmoreceptors