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Human Anatomy > Unit Two Exam > Flashcards

Unit Two Exam Flashcards

1
Q

In a subcutaneous injection, the substance (like insulin) is placed into the hypodermis via a needle and syringe. T OR F

A

True

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2
Q

These cells produce melanin.

A

melanocytes

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3
Q

When you think about the skin, you think about:
picking up a penny

washing your hair

goosebumps

all of the above

A

all of the above

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4
Q

This is responsible for thermoregulation (cooling).

A

sweat glands

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5
Q

This protects against mechanical damage and dessication.

A

keratin

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6
Q

Nails are a continuation of this layer of the epidermis.

A

stratus lucidum

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7
Q

This is responsible for thermoregulation (warming).

A

arrector pili muscles

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8
Q

The nail grows from the:

A

root

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9
Q

Another name for the hypodermis is the:

A

subcutaneous layer

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10
Q

The structure that produces hair.

A

hair follicle

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11
Q

This muscle causes your hair to stand on end and causes goose bumps.

A

arrector pili

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12
Q

Exocrine glands in the skin include:
Answers:
sweat glands

sebaceous glands

mammary glands

all of the above

A

all of the above

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13
Q

Feeling the softness of a cotton ball or pain of a hot flame is this function of the skin:

A

sensory organ

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14
Q

The larger “balloons” located in the deep dermis & hypodermis detect deep touch and pressure.

A

Pacinian corpuscle

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15
Q

Skin is the largest sensory organ in the body. T OR F

A

True

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16
Q

Which term best describes the function of the hypodermis?

A

pillow

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17
Q

These sensory receptors are found in the dermis, close to the epidermis, and detect pain, cold, and heat.

A

Bare nerve endings

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18
Q

This layer of the dermis contributes to the formation of fingerprints.

A

papillary layer

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19
Q

This layer of the dermis is composed of loose connective tissue.

A

papillary layer

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20
Q

These specialized apocrine sweat glands found in the breast produce milk.

A

mammary glands

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21
Q

The secretion from these exocrine glands contains fat and protein which, when mixed with bacteria on the skin, contains an odor.

A

apocrine sweat glands

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22
Q

One function of the skin is to begin the formation of vitamin D. T OR F

A

True

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23
Q

Lateral bone of forearm.

A

Radius

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24
Q

Which 2 bones make up the pectoral girdle?

A

Clavicle and Scapula

25
Q

Hematopoiesis in the bone marrow is an example of this skeletal system function.

A

blood cell production

26
Q

Cancellous bone is composed of trabeculae resulting in a spongy appearance on the superficial skeleton. T OR F

A

True

27
Q

Touching the thumb to the opposite fingers in each hand is called:

A

opposition

28
Q

Closing a joint, or moving two bones closer together, is called:

A

flexion

29
Q

Have you ever banged your elbow and felt that tingle that radiates all the way down your forearm to your little finger? You hit the _____ nerve which runs along the side of the olecranon process.

A

ulnar

30
Q

The bony process of the temporal bone, which you can find behind your ear, serves as an attachment site for muscles.

A

Mastoid process

31
Q

This bone contains the foramen magnum.

A

Occipital bone

32
Q

The single bone making up the posterior aspect and base of the skull is the:

A

Occipital bone

33
Q

Children have red marrow only in the medullary cavities of bone so they can make lots of blood cells. T OR F

A

True

34
Q

Which are the floating ribs?

A

Ribs 11-12

35
Q

The Greek god, Atlas carried the weight of the world on his shoulders, much like this vertebra carries the weight of the skull:

A

Cervical vertebra 1

36
Q

The axial skeleton includes bones of the:

A

cranium

37
Q

Identify the heel bone:

A

Calcaneus

38
Q

The thigh bone is the:

A

Femur

39
Q

Identify the bone type of a lumbar vertebrae.

A

irregular

40
Q

This feature of a synovial joint cushions the ends of the bones:

A

articulating cartilage????

41
Q

The sutures between the skull bones are examples of these immovable joints:

A

synarthroses

42
Q

This anterior hip muscle which flexes the hip is actually 2 muscles that join to insert of the anterior femur:

A

Iliopsoas

43
Q

The primary muscle of breathing is the:

A

Respiratory diaphragm

44
Q

The motor neuron releases a chemical known as a neurotransmitter which will then stimulate the skeletal muscle cell. The name of that neurotransmitter is:

A

acetylcholine

45
Q

Functions of skeletal muscle includes:
moving bones

maintaining posture

generating heat to help regulate body temperature

all of the above are functions of skeletal muscle

A

all of the above are functions of skeletal muscle

46
Q

Think of the mineral coupling excitation (action potential) and contraction (sliding filament theory). This is a “great reason to drink your ____! “

A

milk

47
Q

Identify what you need to maximize ATP for muscle contraction:

load carbohydrates to store glycogen

do aerobic training to increase oxygen storing myoglobin

supplement creatine phosphate to maximize ATP storage

all of the above would maximize ATP for muscle contraction

none of the above

A

all of the above would maximize ATP for muscle contraction

48
Q

This muscle raises the eyebrows and wrinkles the skin of the forehead:

A

Frontalis

49
Q

Please select the correct pairing of muscle with its action.

Sternocleidomastoid, unilateral flexion & rotation of head to the opposite side

Sternocleidomastoid, bilateral, full flexion of head

suprahyoid muscles, speaking

infrahyoid muscles, swallowing

all of the above pairings are correct

A

all of the above pairings are correct

50
Q

This muscle fully abducts the arm.

A

Deltoid

51
Q

Which of the following is the deepest lateral muscle of the abdomen?

A

Transversus abdominus

52
Q

Protracting the scapula anteriorly like when you throw a ball.

A

Serratus anterior

53
Q

If you can imagine a train as a myofibril, each _____ would be a sarcomere.

A

boxcar

54
Q

Drinking milk is good for muscle contraction because it contains this mineral:

A

calcium

55
Q

In order for contraction to occur, this ion must bind to troponin to change shape so that myosin can bind to actin.

A

calcium

56
Q

When calcium inside the muscle cell is low, the muscle is:

A

relaxed

57
Q

These structures, which are invaginations of the sarcolemma, allow the action potential to travel to the interior of the muscle cell:

A

T tubules

58
Q

Which ion will bind to troponin to change shape?

A

calcium

Human Anatomy (5 decks)

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