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A&P Review > Integumentary system > Flashcards

Integumentary system Flashcards

1
Q

Which of the following is NOT a function of the integumentary system?

A

Regulation of blood pressure

Functions of the integumentary system include protection, vitamin D synthesis, and sensation.

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2
Q

What is the outermost layer of the skin called?

A

Epidermis

The epidermis is the visible outer layer of skin.

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3
Q

Which type of cell is primarily responsible for producing melanin?

A

Melanocytes

Melanocytes are specialized cells that create the pigment melanin, which gives skin its color.

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4
Q

The protein that provides skin with its waterproofing ability is called:

A

Keratin

Keratin is a fibrous protein that helps in forming a protective barrier.

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5
Q

What is the primary function of sweat glands?

A

Cool the body

Sweat glands help regulate body temperature through the process of perspiration.

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6
Q

What is the primary function of sweat glands?

A

B. Cool the body

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7
Q

The thickest layer of the epidermis, responsible for producing keratin, is the:

A

B. Stratum spinosum

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8
Q

Which of the following structures is located in the dermis?

A

B. Hair follicles

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9
Q

The hypodermis primarily consists of:

A

A. Adipose tissue

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10
Q

Which of the following is a skin appendage?

A

B. Sebaceous gland

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11
Q

What type of burn damages the epidermis and part of the dermis, causing blisters?

A

B. Second-degree burn

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12
Q

The pigment responsible for giving skin its yellowish hue is:

A

C. Carotene

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13
Q

The part of the hair that is visible above the skin is called the:

A

C. Shaft

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14
Q

Which layer of the skin contains blood vessels?

A

B. Dermis

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15
Q

Sebum is produced by which type of gland?

A

C. Sebaceous gland

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16
Q

Which type of sweat gland is most numerous and helps regulate body temperature?

A

B. Eccrine gland

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17
Q

The layer of the epidermis where mitosis occurs is the:

A

B. Stratum basale

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18
Q

What type of tissue makes up the dermis?

A

B. Dense irregular connective tissue

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19
Q

Which of the following skin conditions is caused by clogged sebaceous glands?

A

C. Acne

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20
Q

The primary function of melanocytes is to:

A

C. Protect against UV radiation

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21
Q

What is the term for the crescent-shaped area at the base of a nail?

A

B. Lunula

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22
Q

The protein elastin gives skin its:

A

B. Elasticity

23
Q

Which type of UV radiation is most harmful to the skin?

A

B. UVB

24
Q

The arrector pili muscle is responsible for:

A

B. Causing goosebumps

25
Q

Which of the following conditions is characterized by an autoimmune attack on melanocytes?

A

A. Vitiligo

26
Q

The layer of the epidermis found only in thick skin is the:

A

B. Stratum lucidum

27
Q

Which vitamin is synthesized in the skin when exposed to sunlight?

A

D. Vitamin D

28
Q

What type of gland produces earwax?

A

C. Ceruminous gland

29
Q

Which of the following contributes to skin color?

A

how much melanin is produced by melanocytes

30
Q

The skin helps regulate body temperature by:

A

C. Dilating or constricting blood vessels

31
Q

The immune cells found in the epidermis are called:

A

C. Langerhans cells

32
Q

What is the primary role of Merkel cells?

A

A. Sensory perception

33
Q

Which layer of skin is responsible for fingerprints?

A

C. Papillary layer of the dermis

34
Q

Albinism is caused by a defect in the production of:

A

D. Melanin

35
Q

Which type of burn extends through all layers of the skin?

A

C. Third-degree burn

36
Q

What part of the hair contains actively dividing cells?

A

C. Bulb

37
Q

Which structure in the skin detects deep pressure?

A

Pacinian corpuscles

38
Q

The stratum corneum consists of

A

Dead, flattened keratinized cells

39
Q

Excessive collagen production during healing can lead to

A

keloid scar

40
Q

Which of the following glands is associated with body odor?

A

apocrine

41
Q

The dermis is divided into which two layers?

A

papillary
reticular

42
Q

Which cells in the skin play a role in immunity?

A

Langerhans

43
Q

The tough outermost layer of the epidermis is composed of:

A

keratinized dead cells

44
Q

Apoptosis of cells occurs within the…

A

stratum granulosum

45
Q

Dense irregular connective tissue will be found in the

A

dermis

46
Q

This type of exocrine gland undergoes a higher rate of mitosis due to its holocrine secretion

A

sebacous gland

47
Q

Which condition results from androgens inhibiting hair growth in genetically predisposed adults

A

male pattern baldness

48
Q

You stepped on a nail. List the sequential strata of the epidermis that the nail penetrated through to reach the dermis

A

corneum, luciderm, granulosum, spinosum, basale

49
Q

Goose bumps are caused by

A

contraction of arrector pili mm’s

50
Q

When you are hot, blood vessels in the dermis _____ to maintain homeostasis

A

dilate

51
Q

When you are cold, blood vessels in the dermis _____ to maintain homeostasis

A

constrict

52
Q

Heat loss from the body will _____ when blood vessels in the dermis dilate

A

increase

53
Q

Heat loss from the body will _____when blood vessels in the dermis constrict

A

decrease

A&P Review (12 decks)

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