Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Anatomy > Nervous System III: Peripheral Nervous System > Flashcards

Nervous System III: Peripheral Nervous System Flashcards

1
Q

PNS components

A
  • cranial nerves
  • spinal nerves
  • other nerves
  • neurons
  • ganglia
  • sensory receptors
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

PNS components location

A

-outside of CNS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

PNS function

A
  • connects the CNS with all areas of the body

- responds to stimuli it receives and conveys this info to CNS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

examples of sensory receptors

A
  • photo receptors
  • chemo receptors
  • pain receptors
  • thermo receptors
  • pressure receptors
  • proprio receptors
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

photo receptors

A
  • rods and cones located in eye

- respond to light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

chemo receptors

A
  • respond to chemicals

- located in nose (smell), tongue (taste), carotid bodies in blood vessels (chemicals in blood)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

pain receptors

A
  • free nerve endings
  • respond to pain
  • located in skin
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

thermo receptors

A
  • respond to temperature changes

- located in dermis of skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

thermo receptors components

A
  • organs of ruffini

- bulbs of krause

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

pressure receptors

A
  • respond to mechanical deformation

- located in dermis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

pressure receptors components

A
  • meissner’s corpuscles

- pacinian corpuscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

thermo receptors organs of ruffini function

A

responsible for:

  • the sensation of the stretch of your skin
  • sustained pressure on the skin
  • the perception of heat
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

thermo receptors bulbs of krause function

A

-detects touch, light pressure, cold temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

pressure receptors meissner’s corpuscles function

A
  • detect objects moving over the skin

- sensation: touch, texture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

pressure receptors pacinian corpuscles function

A
  • detect changes in pressure

- sensation: deep pressure, vibrations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

which root form the spinal nerve?

A

-dorsal and ventral roots

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what kind of fiber does a spinal nerve have?

A

-sensory and motor fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

proprio receptors nueromuscular spindles function

A
  • responding to stretch with signals that tell the muscle to contract
  • prevents the muscle from overstretching.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

proprio receptors golgi tendon organs function

A

-detect changes in muscle tension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

spinal nerve divisions

A
  • dorsal primary ramus

- ventral primary ramus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

dorsal spinal nerve location

A
  • extends from spinal nerve
  • sensory portion: on skin of back
  • motor portion: on deep muscles of back
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

ventral spinal nerve location

A
  • extends from spinal nerve
  • sensory portion: on skin of anterior and lateral trunk, upper, and lower limb
  • motor portion: on muscles of anterior and lateral trunk, upper and lower limb (superficial muscle of back)**
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

deratome

A

-a strip or segment of skin supplied by sensory** fibers of each dorsal and ventral ramus of a spinal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what is located at T4?

A

-nipple

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

what is located at T10?

A

-umbilicus (umbilical cord)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

what levels on spine are damaged if lost sensation to T4?

A
  • T3
  • T4
  • T5
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

what levels on spine are damaged if lost sensation to T10?

A
  • T9
  • T10
  • T11
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

plexuses

A
  • major nerve networks made of motor and sensory fibers of each ventral ramus
  • supply the anterior head, neck, trunk, and limbs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

what are the four major plexuses?

A
  • cervical
  • brachial
  • lumbar
  • sacral
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

what are the lumbar and sacral plexuses commonly known as?

A

-lumbo-sacral plexus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

what do the four major plexuses carry?

A
  • both motor and sensory information

- named according to their location or the structures they innervate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

what do the four major plexuses carry?

A
  • both motor and sensory information

- named according to their location or the structures they innervate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

cervical plexus range

A

C1-C4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

cervical plexus function

A

-supplies skin and muscles of neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

cervical plexus range

A

-C1-C4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

cervical plexus function

A

-supplies skin and muscles of neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

cervical plexus major branch

A

-phrenic nerve

38
Q

cervical plexus phrenic nerve location

39
Q

cervical plexus phrenic nerve location

40
Q

cervical plexus phrenic nerve function

A

-important for breathing: it passes motor information to the diaphragm and receives sensory information from it

41
Q

cervical plexus motor location

A

-diaphragm

42
Q

cervical plexus sensory location

A

-skin of the neck

43
Q

brachial plexus location

44
Q

brachial plexus sensory location

A

-skin of shoulder and upper limb

45
Q

brachial plexus motor location

A

-muscles of shoulder and upper limb

46
Q

branches of the brachial plexus types of nerves

A
  • axillary
  • radial
  • musculocutaneous
  • ulnar
  • median
47
Q

axillary nerve structures innervated

A
  • sensory: skin of shoulder

- motor: deltoid muscle

48
Q

axillary nerve deficit

A

-can’t abduct deltoid

49
Q

radial nerve structures innervated

A
  • motor: triceps, extensors of forearm and wrist

- sensory: portions of posterior/lateral arm and forearm

50
Q

radial nerve deficit

A

-“wrist drop” occurs bc of loss of wrist extensors

51
Q

musculocutaneous nerve structures innervated

A
  • motor: muscles of anterior arm (brachialis, biceps brachii, etc.)
  • sensory: skin of forearm
52
Q

musculocutaneous nerve deficit

A
  • supination

- flexion of forearm

53
Q

ulnar nerve structures innervated

A

-motor: flexor carpi, flexor digitorum(medial), lumbricals(medial)

54
Q

ulnar nerve deficit

A
  • “claw hand”

- 2 median fingers are extension

55
Q

median nerve structures innervated

A
  • motor: flexor of wrist, thenar eminence, lumbricals (lateral two)
  • sensory
56
Q

median nerve deficit

A
  • “ape hand” (can’t do opposition)

- “carpal tunnel syndrome”

57
Q

lumbo-sacral plexus location

58
Q

lumbo-sacral plexus function

A
  • supplies skin and muscles of the lower limb

- all nerves in this have sensory and motor nerves

59
Q

branches of the lumbo-sacral plexus types of nerves

A
  • femoral
  • obturator
  • sciatic
  • pudendal
60
Q

femoral nerve structures innervated

A
  • motor: quadriceps

- sensory

61
Q

femoral nerve deficit

A

-can’t extend at the knee

62
Q

obturator nerve structures innervated

A
  • motor: adductors muscles or medial thigh

- sensory

63
Q

obturator nerve deficit

A
  • can’t adduct the thigh

- pain in thigh

64
Q

sciatic nerve structures innervated

A
  • motor: hamstrings

- sensory: posterior thigh

65
Q

sciatic nerve deficit

A

-can’t flex the leg at the knee

66
Q

sciatic nerve location

A
  • L4-S5

- largest and longest of lumbosacral plexus nerves

67
Q

sciatic nerve components

A
  • tibial

- common fibular (peroneal)

68
Q

sciatic tibial nerve structures innervated

A
  • motor: muscles in posterior leg (gastrocnemius, soleus, tibialis posterior)
  • sensory
69
Q

sciatic tibial nerve deficit

A
  • pain or loss of sensation on lateroposterior side near bow back, butt, and leg
  • problems w plantar flexion
70
Q

sciatic common fibular nerve types of branches

A
  • deep fibular nerve

- superficial fibular nerve

71
Q

sciatic deep fibular nerve structures innervated

A
  • motor: muscles of anterior leg

- sensory

72
Q

sciatic superficial fibular nerve structures innervated

A
  • motor: muscles of lateral leg

- sensory

73
Q

sciatic common fibular nerve deficit

A
  • nerve damage: “foot drop”

- can’t dorsiflex

74
Q

pudendal nerve function

A
  • supplies skeletal muscle

- used for obstetrics in childbirth

75
Q

pudendal nerve structures innervated

A

-motor and sensory: to the pelvic floor and diaphragm

76
Q

pudendal nerve deficit

A
  • incontinence

- prolapse

77
Q

important spinal reflexes

A
  • knee reflex
  • plantar reflex
  • babinski reflex
  • cremasteric reflex
78
Q

knee reflex location

A

-L2, L3, L4

79
Q

knee reflex site of receptor stimulation

A

-patellar tendon just below patella

80
Q

plantar reflex location

A

-L4, L5, S1, S2

81
Q

plantar reflex site of receptor stimulation

A

-lateral aspect of sole from heel to ball of foot

82
Q

babinski reflex location

A

-L4, L5, S1, S

83
Q

babinski reflex site of receptor stimulation

A

-lateral aspect of sole from heel to ball of foot

84
Q

cremasteric reflex location

85
Q

cremasteric site of receptor stimulation

A

-stroking upper inside of thigh in males

86
Q

knee reflex effector action

A

-contract quads to extend the knee

87
Q

plantar reflex effector action

A

-plantar flexes foot and flexes toes

88
Q

babinski reflex effector action

A

-dorsiflexes great toe and fans other toes

89
Q

cremasteric reflex effector action

A

-contract cremasteric muscle and elevates testis on same side of stimulation

90
Q

what does it mean if the babinski reflex is stimulated at the sole of the foot instead of the plantar reflex?

A

-may be indicating damage to the corticospinal tract within the spinal cord

Anatomy (41 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions