Lecture Exam 4 - Chapter 13 Flashcards Preview

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31

-6 parts of perceptual integration-

_________ – how intense is the stimulus

magnitude estimation

32

-6 parts of perceptual integration-

_________ – identification of area of the body and 2-point discrimination

spatial discrimination

33

-6 parts of perceptual integration-

_________ – identification of an object based on its texture and shape

feature abstraction

34

-6 parts of perceptual integration-

_________ – determining if something is sweet or bitter, or seeing shades of colors

quality discrimination

35

-6 parts of perceptual integration-

_________ – like recognizing a melody and not just listening to individual notes

Pattern recognition getting the “big picture”

36

Pain is carried by _________ – found in every tissue except the brain

nociceptors

37

_________ pain – occurs rapidly; usually described as sharp like a needle stick

Fast

38

_________ pain – travels much more slowly; usually described as aching, burning, or throbbing

Slow

39

- structural arrangement of a nerve -

_________ – connective tissue that wraps around myelin sheath of axons

Endoneurium

40

- structural arrangement of a nerve -

_________ – wraps around fascicles bundles of axons)

Perineurium

41

- structural arrangement of a nerve -

_________ – wraps around entire nerve

Epineurium

42

Humans have ___ pairs of spinal nerves

31

43

- 4 rami of Spinal Nerves -

_________ – innervates muscles and skin of the trunk

Dorsal ramus

44

- 4 rami of Spinal Nerves -

_________ – innervates muscles of the limbs and skin of the back

Ventral

45

- 4 rami of Spinal Nerves -

_________ – reenters the vertebral canal and innervates the vertebrae, ligaments, and blood vessels

Meningeal branch

46

- 4 rami of Spinal Nerves -

_________ – part of the ANS (autonomic nervous system)

Rami communicantes

47

- 4 major plexuses -

_________ – innervates the skin and muscles of the head, neck, shoulders, back, and chest

-Includes spinal nerves from C1-C5

Cervical

48

- 4 major plexuses -

Cervical :
-Includes spinal nerves from _________

-C1-C5

49

- 4 major plexuses -

_________ – innervates the shoulders and upper limbs

-Formed by ventral rami of C5-T1

Brachial

50

- 4 major plexuses -

Brachial :
-Formed by ventral rami of _________

-C5-T1

51

- 4 major plexuses -

_________ – innervates abdominal wall, external genitals, and part of lower limbs

-Formed by spinal nerves L1-L4

Lumbar

52

- 4 major plexuses -

Lumbar – innervates abdominal wall, external genitals, and part of lower limbs

-Formed by spinal nerves _________

-L1-L4

53

- 4 major plexuses -

_________ – innervates gluteal region, perineum (see page 345), and lower limbs (page 510)

-Formed by L4/L5 and S1-S4

Sacral

54

- 4 major plexuses -

Sacral – innervates gluteal region, perineum (see page 345), and lower limbs (page 510)

-Formed by _________ and _________

-L4/L5
-S1-S4

55

_________ – longest and thickest nerve and innervates most of the lower limb

Sciatic

56

_________ nerve – innervates adductor muscles

Obturator

57

_________ nerve – innervates anterior and medial thigh

Femoral

58

_________ nerve – innervates the diaphragm

Phrenic

59

- Motor Activity -

_________ level – contained within the spinal cord

-Ventral horn neurons are activated in a group of cord segments, causing them to stimulate groups of muscles

Segmental

60

- Motor Activity -

Segmental level – contained within the spinal cord

- _________ neurons are activated in a group of cord segments, causing them to stimulate groups of _________

-Ventral horn
-muscles