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Anatomy > Exam 3 Chapter 14 > Flashcards

Exam 3 Chapter 14 Flashcards

1
Q

List 2 examples of general somatic sensations

A
  • touch
  • pain
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2
Q

List 1 example of a special visceral sensation.

A

taste and smell

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3
Q

Do all nerves contain both sensory and motor fibers?

A

all spinal nerves have both sensory and motor
- some cranial nerves are exclusively sensory or primarily motor

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4
Q

Name the functional type of the sensory receptors that respond to painful stimuli. What is the structure of these receptors?

A

Nociceptors are free nerve endings

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5
Q

Are proprioceptors part of the somatic or visceral sensory system?

A

somatic sensory system

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6
Q

What type of stimulus do encapsulated receptors respond to?

A

pressure, discriminative touch, vibration, stretch

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7
Q

Which nerve is the great sensory nerve of the face?

A

trigeminal nerve (V)

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8
Q

Which nerve innervates the muscles of facial expression?

A

facial nerve (VII)

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9
Q

What deficits would result of a lesion that damaged the dorsal root of spinal nerve T4?

A

sensory deficits from the muscles and skin of the anterior and posterior trunk of T4 and rib 4

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10
Q

What deficits would occur if a lesion damaged the dorsal ramus of T4?

A

sensory and motor deficits in the skin and intrinsic back muscles in T4

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11
Q

What vertebra does the cervical nerve C5 exit from?

A

below C4

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12
Q

What vertebra does lumbar nerve L3 exit from?

A

below L3

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13
Q

Would a patient with a spinal injury at C5 be able to breathe independently?

A

Yes

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14
Q

What do baroreceptors monitor?

A

blood pressure

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15
Q

What is the large, onion-shaped pressure receptor in deep connective tissue called?

A

lamellar corpuscles

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16
Q

What receptor type is for pain, itch, and temperature receptors?

A

free nerve ending

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17
Q

What receptor type contains intrafusal fibers and flower spray endings?

A

muscle spindles

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18
Q

What receptor type has discriminative touch receptors in hairless skin?

A

tendon organs

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19
Q

What receptor type contains nerve endings wrapped around thick collagen bundles in a tendon?

A

tendon organs

20
Q

What receptor type rapidly adapts deep-pressure mechanoreceptors?

A

lamellar corpuscles

21
Q

What receptor type slowly adapts deep-pressure mechanoreceptors?

A

bulbous corpuscles

22
Q

What cranial nerve innervates 4 extrinsic eye muscles?

A

oculomotor

23
Q

What cranial nerve is the major sensory nerve of the face?

A

trigeminal

24
Q

What cranial nerve innervates the sternocleidomastoid and trapezius?

A

accessory

25
Q

What 3 cranial nerves are primarily or exclusively sensory?

A

olfactory, optic, vestibulocochlear

26
Q

What cranial nerve innervates the tongue muscles?

A

hypoglossal

27
Q

What cranial nerve allows chewing of food?

A

trigeminal

28
Q

What cranial nerve is anesthetized during dental work?

A

trigeminal

29
Q

What cranial nerve helps to regulate heart activity?

A

vagus

30
Q

What cranial nerve is sensory innervation for hearing and equilibrium?

A

vestibulocochlear

31
Q

What 4 cranial nerves contain parasympathetic motor fibers?

A

facial, glossopharyngeal, oculomotor, vagus

32
Q

What cranial nerve innervates muscles of facial expression?

A

facial

33
Q

What contains only motor fibers?

A

ventral root

34
Q

What muscles are innervated by the musculocutaneous nerve?

A

coracobrachialis, biceps brachii, brachialis

35
Q

Bronchial refers to the airways in the lungs. What does brachial refer to?

A

arm

36
Q

Which muscles are innervated by the femoral nerve?

A

sartorius, iliacus, quadriceps femoris

37
Q

What occurs in all of the mixed cranial nerves V, VII, IX, and X?

A

general somatic sensory and somatic motor to pharyngeal arch muscles

38
Q

Sensory receptors are called encapsulated nerve endings. What is the capsule made of?

A

Connective tissue

39
Q

Describe the roots to and the composition of a spinal nerve.

A

Roots come from spinal cord
- sensory and motor fibers
- dorsal (sensory) and ventral (motor) root
- merge to form mixed spinal nerve

40
Q

Are dorsal and ventral roots in the CNS or the PNS?

A

PNS

41
Q

Name the branches of a spinal nerve (besides the rami communicantes) and identify what basic region of the body each branch supplies.

A

Dorsal ramus: supplies deep muscles and skin of the posterior trunk
Ventral ramus: supplies anterior and lateral trunk and limbs

42
Q

Name the nerve plexuses that serve the anterior thigh.

A

lumbar plexus

43
Q

Name the nerve plexuses that serve the diaphragm.

A

phrenic nerve

44
Q

Name the nerve plexuses that serve the perineum.

A

pudendal nerve

45
Q

Name the nerve plexuses that serve the forearm.

A

brachial plexus
- median nerve
- ulnar nerve
- radial nerve

46
Q

Name the nerve plexuses that serve the ankle.

A

lumbosacral plexus

Anatomy (22 decks)

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