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Bio 161: Basic A & P - 05 Integumentary System > 5.1 Integumentary System - Part 3 > Flashcards

5.1 Integumentary System - Part 3 Flashcards

1
Q

Hair follicles are made from epithelial cells of the __________.

A

Epidermis

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2
Q

Hair follicles are made in the epidermis that “dips” into the ______________ .

A

Dermis

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3
Q

Arrector pili muscles are found what layer of the skin?

A

Dermis

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4
Q

Stem cells, important in mitosis, are found in what layer of the skin?

A

Epidermis

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5
Q

Sweat glands are mainly located in what layer of the skin?

A

Dermis

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6
Q

Sebaceous glands are mainly located in what layer of the skin?

A

Dermis

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7
Q

Melanocytes are located in what layer of the skin?

A

Epidermis

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8
Q

Keratinocytes are located in what layer of the skin?

A

Epidermis

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9
Q

Collagen and Elastin fibers are found in what layer of the skin?

A

Dermis

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10
Q

Collagen and Elastin fibers are found in what accessory structure in the integumentary system?

A

Hypodermis

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11
Q

One would find ______________ in the stratum basale.

A

Stem cells

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12
Q

What major chemical determines the skin color?

A

Melanin

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13
Q

What color is the melanin pigment?

A

Black

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14
Q

What influences production of melanin in the skin?

A
  • Genetics
  • Exposure to UV rays
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15
Q

White blood cells (leukocytes) travel through the skin looking for___________________ to keep the body healthy.

A

Foreign invaders like bacteria.

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16
Q

If white blood cells find bacteria in the tissues, what process can they use to destroy the bacteria?

A

Phagocytosis

17
Q

Which stratum layer of the epidermis is designed for protection?

A

Stratum corneum

18
Q

What tissue is found in the stratum corneum?

A

Stratified squamous epithelium

19
Q

The most abundant protein of the epidermis is:

A

Keratin

20
Q

What is the purpose of keratin in skin, nails and hair?

A

Hardens them.

21
Q

The most abundant protein of the dermis is:

A

Collagen

22
Q

What is the purpose of collagen fibers?

A

Provides strength

23
Q

What layer of the skin are melanocytes located?

A

Epidermis

24
Q

What substance gives reddish to pink hue to the skin?

A

Hemoglobin

25
Q

What is the function of hemoglobin in the blood?

A

Transports Oxygen

26
Q

Blueness of the skin is called:

A

Cyanosis

27
Q

Cyanosis of the fingernails could be a sign of:

A

Low oxygen levels

28
Q

When the skin and eyes have a yellow color this is referred to as:

A

Jaundice

29
Q

Jaundice is associated with which chemical in the body?

A

Bilirubin

30
Q

The first organ that most individuals think of when jaundice is present is the ____________.

A

Liver

Bio 161: Basic A & P - 05 Integumentary System (4 decks)

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