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Flashcards in Exam A&P Deck (88)
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1
Q

Neuroglial

A

Most abundant of the nerve cells/ Support, protect insulate and flourish the neutron

2
Q

Nerve Impulse

A

action potential

3
Q

Ulnar, radial and median nerves

A

Supply the forearm and the hand

4
Q

trapezius

A

Extends the neck , shrugs the shoulders

5
Q

occipital lobe

A

Responsible for vision , most posterior lobe. Damage can cause vision loss

6
Q

frontal lobe

A

Responisible for motor activity, personality development, emotional and behavioral expression

7
Q

temporal lobe

A

Contains auditory cortex, interior to the frontal and parietal lobe

8
Q

parietal lobe

A

receives all general sensory information from the body, behind the central sulcus, posterior to frontal lobe

9
Q

zygomaticus

A

smiling muscle

10
Q

frontalis

A

raises eyebrows and wrinkles forehead

11
Q

dermatome

A

Area of skin innervated by a spinal nerve

12
Q

CN 1

A

olfactory nerve- smell

13
Q

projection

A

Brain refers sensation back to the source

14
Q

ossicles

A

malleous, incus, stapes - 3 tiny bones inside the ear

15
Q

chemoreceptors

A

detect change in chemicals (taste and smell

16
Q

thermoreceptors

A

detect changes in temperature

17
Q

mechanoreceptors

A

detect changes in pressure or movement of body fluids

18
Q

nociceptors

A

pain receptors

19
Q

olecranon process

A

bony point of elbow

20
Q

osteocyte

A

bone cells that create bone tissue

21
Q

saltatory conduction

A

Nerve impulse jumps node to node, increase speed of nerve impulse

22
Q

Anatomy

A

study of the structure of the human body

23
Q

Physiology

A

Branch of science that describes how the body functions

24
Q

hamstrings

A

posterior thigh, extends the thigh at the hip and flexes at the knee

25
Q

keratin

A

A protein found in skin , hair and nails, hardens cells, makes water reistant

26
Q

biceps femoris

A

1 muscle that makes up the hamstrings

27
Q

blood pH

A

7.35-7.45 (alkaline)

28
Q

sympathetic nervous system

A

aka thoracolumbar division- fight or flight

29
Q

parasympathetic nervous system

A

aka craniosacral division- feed or breed/ resting and digesting

30
Q

sagittal plane

A

divides the body length wise into right and left portions

31
Q

frontal plane

A

divides body into anterior (ventral) and posterior (dorsal) portions

32
Q

transverse plane

A

split body up and down , superior and inferior

33
Q

primary mover

A

muscle that does most of the work in action

34
Q

synergist

A

muscles that help the prime mover

35
Q

antagonist

A

muscles that oppose the action of the prime mover

36
Q

muscles of the quadriceps

A

rectus femorus, vastus lateralis, vastus medialis, vastus intermedius

37
Q

muscles of the hamstrings

A

biceps femoris, semitendinous, semimembranous

38
Q

diffusion

A

passive movement of a substance from an area of higher concentration to one of lower concentration

39
Q

atomic weight

A

number of protons and neutrons in the nucleous

40
Q

atomic number

A

number of protons in the nucleous

41
Q

cartpals

A

wrist bones

42
Q

metacarpals

A

palm of hand

43
Q

tympanic membrane

A

ear drum

44
Q

proximal

A

structure nearer to the point of attachment to the trunk of the body

45
Q

distal

A

the part further away from the point of attachment

46
Q

superior

A

part above another or toward the head

47
Q

inferior

A

part located below another part or closer to feet

48
Q

mininges/layers

A

Pia mater, arachnoid mater, Dura mater- PAD

49
Q

Neuron

A

transmits/ conducts the nerve impulse, does not replace or replicate when injured

50
Q

dendrites

A

structure that recieves information from other neurons and sends info to the cell body

51
Q

cell body

A

body of nerve

52
Q

myelin sheath

A

white fatty material that surrounds and protects axon, speeds up nerve impulse

53
Q

homeostasis

A

maintain a stable environment in response to a changing external environment

54
Q

sclera

A

white of the eye

55
Q

ulna

A

medial forearm bone, longest of the 2 bones

56
Q

femur

A

longest and strongest bone , htigh bone

57
Q

matter

A

anything that has weight and takes up space, solid liquid or gas

58
Q

photoreceptors

A

detect changes in light (sight)

59
Q

choroid

A

middle layer of the eye

60
Q

vitreous humor

A

posterior cavity filled with a gel-like substance

61
Q

aqueous humor

A

watery like substance , nourishes the cornea

62
Q

zygomatic bone

A

forms part of the cheek bone

63
Q

iris

A

colored part of the eye

64
Q

organ of corti

A

resides in the cochlea, receptor for hearing, contains hair

65
Q

semicircular canals

A

gives information about the position of the body as it moves

66
Q

cochlea

A

snail shaped, contains receptors for hearing

67
Q

oculomotor, trochlear, abducens

A

allows eyeball to move

68
Q

medulla oblongota

A

connects spinal cord with pons, controls heart rate, BP and respiration. Vomiting center

69
Q

olfaction

A

CN1 -smell

70
Q

periosteum

A

connective tissue that covers the outside of the diaphysis, tough fiberus

71
Q

endosteum

A

connective tissue that lines the hollow center of diaphysis

72
Q

pupil

A

hole in the middle of the iris

73
Q

characteristic of cardiac muscle

A

involuntary, striated

74
Q

characteristic of smooth muscle

A

involuntary, not striated

75
Q

characteristic of skeletal muscle

A

voluntary, striated

76
Q

Babinski reflex

A

stroke the bottom of the foot , curling of the toes

77
Q

humerous

A

upper arm bone

78
Q

electrons

A

negative charge, located in orbits around nucleus

79
Q

protons

A

positive charge located in nucleus

80
Q

neutrons

A

no charge, located in the nucleus

81
Q

covalent bond

A

involves sharing of electrons by the outer shells of the atom

82
Q

epidermis

A

outer layer of skin

83
Q

dermis

A

(True Skin) inner layer of the skin that is strong and stretchable, under epidermis

84
Q

subcutaneous tissue

A

(hypodermis) loose connective tissue which helps insulate body

85
Q

maxilla

A

forms the upper jaw, contains upper teeth

86
Q

tetany

A

constant contraction of the muscle

87
Q

thoracic cavity

A

within the ventral cavity, located above the diaphragm, surrounding the ribs

88
Q

intraocular pressure causes

A

Glaucoma