Anatomy & Physiology Flashcards

1
Q

What is physiology?

A

body and organ function

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2
Q

What is the average temperature for animals?

A

101-102 degrees

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3
Q

Abduction

A

movement away from the median plane

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4
Q

Adduction

A

movement toward the median plane

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5
Q

Anterior

A

toward the front of the body

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6
Q

Posterior

A

the back surface of the body

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7
Q

Caudal

A

towards the tail

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8
Q

Cranial

A

toward the head

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9
Q

Cutaneous

A

relating to the skin

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10
Q

Dorsal

A

pertaining to the back or the upper surface of the animal

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11
Q

Ventral

A

away from the back or top line of the body

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12
Q

Extension

A

straightening of the limbs and vertebral column

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13
Q

Flexion

A

bending of the limbs at the joints, and bending of the vertebral column

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14
Q

Lateral

A

away from the median plane

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15
Q

Medial

A

toward the medial plane

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16
Q

Median plane

A

through the midline of the body, divides the body into right and left halves

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17
Q

Sagittal

A

situated in or being the median plane or any plane parallel to the median plane

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18
Q

Process

A

a projection or outgrowth

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19
Q

Proximal

A

usually applied to the limbs, toward the attached portion or major body mass

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20
Q

Distal

A

farthest from the major body mass

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21
Q

Superficial

A

toward the surface

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22
Q

Transverse

A

a plane across the body at right angles to the median plane

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23
Q

Infra or sub

A

below or beneath

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24
Q

Supra

A

above or super

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25
Q

Inter

A

between

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26
Q

Intra

A

within

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27
Q

What is skin?

A

Exterior covering of body

Continuous with exterior of respiratory, urogenital and digestive tracts

28
Q

What is the epidermis?

A

outer layer of epithelial cells

29
Q

What is the dermis?

A

connective tissue, blood vessels, lymph, nerves, glands, hair follicles.

30
Q

What are the functions of skin?

A

Protection
Temperature regulation
Responds to environment (sensory nerves)
Secretion and excretion

31
Q

What are the functions of the skeletal system?

A
Protection
Provides rigidity and for (support)
Act as levers
Store minerals
Site for red blood cell formation
32
Q

What does tarsal refer to?

A

Hind

33
Q

What does carpal refer to?

A

Front

34
Q

What two bones are fused together?

A

Radius and Ulna

35
Q

What is the muscle that lies between the rib?

A

Intercostal muscle

36
Q

What does intra mean?

A

within

37
Q

What does inter mean?

A

between

38
Q

Where is a ball and socket joint located?

A

shoulder, hip

39
Q

Where is a hinged joint located?

A

elbow

40
Q

Where is a pivot joint located?

A

neck

41
Q

Where is a glide joint located?

A

vertebrae

42
Q

What is the name for red blood cells?

A

Erythrocytes

43
Q

What is the function of red blood cells?

A

carry oxygen and CO2

44
Q

What does the nervous system do?

A

carries signals from sensory organs to the brain and signals from the brain to muscles and tissues

45
Q

What does the central nervous system consist of?

A

Brian and spinal cord

46
Q

What does the peripheral nervous system consist of?

A

Cranial and spinal nerves

47
Q

What is a nerve cell?

A

Neuron

48
Q

What receives signals from adjacent cells?

A

Dendrites

49
Q

What carries the signal along the length of the cell via action potential?

A

Axon

50
Q

What holds neurotransmitters to communicate with the dendrites of the next neuron?

A

Terminal bulb

51
Q

What is a synapse?

A

the space between the dendrites of one cell and terminal bulbs of the next

52
Q

What type of control does skeletal muscle have?

A

Voluntary

53
Q

What type of control does cardiac muscle have?

A

Involuntary

54
Q

What type of control does smooth muscle have?

A

Involuntary

55
Q

What type of banding does skeletal, cardiac and smooth muscle have?

A

Skeletal-Striated
Cardiac-Striated
Smooth-non-striated

56
Q

What type of shape does skeletal, cardiac and smooth muscle have?

A

Skeletal-threadlike
Cardiac-branched
Smooth-various

57
Q

What type of nuclei does skeletal, cardiac and smooth muscle have?

A

Skeletal- multinucleated
Cardiac-mononucleated
Smooth- mononucleated

58
Q

What are arteries?

A

thick vessels that carry oxygen-rich blood

59
Q

What are veins?

A

return vessels

60
Q

What are capillaries?

A

thin-walled vessels

61
Q

What is systemic circulation?

A

moves oxygenated blood to body and returns venous (deoxygenated) blood to heart

62
Q

What is pulmonary circulation?

A

veins carry oxygenated blood

63
Q

What is fasciculi?

A

bundles of muscle fibers

64
Q

What are myofibrils?

A

long, thin, cylindrical rods

a site of force production within muscle fibers

65
Q

What are myofilaments?

A

protein filaments of the myofibril

66
Q

What is a sarcomere?

A

Smallest functional contractile unit

67
Q

What are the steps for muscle contraction?

A

1) Signal from nerve
2) Action potential spreads along sarcolemma and t tubules into the interior of fiber
3) Calcium release from terminal cisternae
4) Calcium binds the protein Troponin C, a change in protein complex
5) Cessation of signal Ca++ release ceases
6) Ca++ pumped into sarcoplasmic reticulum and muscle relaxes.