The Integumentary System Flashcards

0
Q

Band of epidermis at the base at the base and sides of the nail plate.

A

Cuticle

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1
Q

One of the large dermal exocrine glands located in the axilla & genital areas. It secrets sweat that in action, is responsible for human body odor.

A

Apocrine sweat gland

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2
Q

A fat cell

A

Lipocyte

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3
Q

Major skin pigment, formed by the melanocytes in the epidermis.

A

Melanin

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4
Q

Soft tissue surrounding the nail boarder.

A

Paronychium

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5
Q

Oily substance secreted by sebaceous glands.

A

Sebum

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6
Q

Innermost layer of skin, containing fat tissue.

A

Subcutaneous Layer

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7
Q

Most number it’s exocrine, sweat producing gland in the skin.

A

Eccrine sweat gland

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8
Q

What are the 4 main functions of the skin?

A
  • Protection
  • Body temperature control
  • Sensation
  • Formation of Vitamin D.
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9
Q

What are the three categories for Protection of the skin?

A
  • Physical
  • Biological
  • Chemical
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10
Q

What is physical protection?

A

Skin keeps microorganisms out

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11
Q

One of the categories for protection if the skin: Melanin in skin protects against excessive UV rays & decreases the loss of body water

A

Biological

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12
Q

What is chemical protection of the skin?

A

An acidic philmylayer that acts as an antiseptic to prevent microorganism growth.

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13
Q

What is the function of Body temperature control?

A

Heat is released through the skin when the temperatures are hot.

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14
Q

What is the function of sensation?

A

Nerve endings job the skin provide the central nervous system with information on:

  • temperature
  • touch
  • pressure
  • pain
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15
Q

How is Vitamin D formed in the skin?

A

The presence of sunlight stimulates Vitamin D production in the skin.

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16
Q

What are the three layers of the skin?

A
  • Epidermis
  • Dermis
  • Subcutaneous Tissue
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17
Q

What is the subcutaneous layer?

A

Fat layer

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18
Q

What are 3 components of the Dermis?

A
  • Thickest layer is the skin
  • Composed of strong connective tissue.
  • Contain a rich supply of nerve fiber & blood vessels
19
Q

What are the 3 components of the epidermis?

A
  • Outermost layer of the skin
  • Composed of melanocytes
  • Karatincytes (majority is cells)
20
Q

What is the function of a melanocyte?

A

Produce protection form UV rays

21
Q

What are the functions of the Karatincytes?

A
  • Push upwards & dies when they reach the surface
  • We loose millions everyday
  • New epidermis forms every 23 to 24 hours.
22
Q

What are the three components of Melanin?

A
  • The only pigment in the shin that contributes to color
  • Everyone has the same amount of melanocytes.
  • Differences in color due to the kind if melanin and how much is retained.
23
Q

What is Carotene?

A
  • A yellow- orange pigment

- Most commonly found on palms of hands and soles of feet

24
Q

What is hemoglobin?

A

The pigment that gives Caucasians their pink tone.

25
Q

What are the two appendages in the skin?

A
  • Sweat glands

- Sebaceous glands

26
Q

What are 3 characteristics of sebaceous glands?

A
  • Found everywhere except on palms and soles.
  • Sebum keeps hair soft, skin moist, & kills bacteria
  • Acne is active inflammation of sebaceous glands
27
Q

What are three cause of acne?

A
  1. Build up of bacteria in the skin
  2. Over production of oil (sebum)
  3. Irritation of hair follicles due to shedding of dead skin cells
28
Q

What are 2 non inflammatory and 4 inflammatory lesions that form from acne?

A

Non Inflammatory:

  1. Black heads
  2. White heads

Inflammatory:

  1. Pimples
  2. Pastules
  3. Nodules
  4. Cysts
29
Q

What bacteria usually causes boils and where can it form?

A
  • Staphylococcus Aureus

- Forms on skin, in nose, and broken skin

30
Q

Describe a boil.

A
  • Red, painful swollen bump
  • development of a yellow tip fu of pus
  • can get to the size of a golf ball
31
Q

What are the causes of Folliculitis?

A
  • Bacteria/ yeast

- Damage to hair follicles

32
Q

What are the symptoms of Folliculitis?

A
  • Looks like a pimple with a hair in the middle

- Can drain blood or and puss

33
Q

What are the possible causes of Eczema?

A
  • It’s virtually unknown

- Suspected to be the result of a combo of dry/irritable skin and a malfunction of the immune system

34
Q

4 descriptions of eczema?

A
  1. Red, brownish, or grey patches
  2. Itchy small red bumps that may leak fluid and crust over when scratched
  3. Thickened cracked scaly skin
  4. Raw sensitive skin from scratching
35
Q

What is Herpes Zoster also known as?

A

Shingles

36
Q

What’s Herpes Zoster caused by?

A

Deactivation of the same virus that causes Chickenpox.

37
Q

What are the three stages of shingles and their description?

A
  1. Prodromal Stage- general pain
  2. Active Stage- oozing blisters
  3. Postherpeic Neuralgia- lingering pain that can last for years
38
Q

What is Tinea Pedis also known as?

A

Athletes Foot

39
Q

What is Tinea Pedis caused by?

A

A group of fungus called Dermatophytes.

40
Q

What are 3 symptoms of Tinea Pedis?

A
  1. Dry flaking skin on the soles of the feet
  2. Unpleasant odor
  3. Small itchy blisters on the soles of the feet
41
Q

What is the common name for Tinea Corporis?

A

Ring Worm

42
Q

What is the cause of ring worm?

A

A fungus that can spread from animal/ person to person.

43
Q

What are the symptoms of Tinea Corporis?

A

Red, peeling, itchy, cracking rash that can blister.

44
Q

What causes Cellulitis?

A

When the bacteria streptococcus or and staphylococcus enters through a break in the skin. Can turn into something more aggressive called MRSA.

45
Q

What are 6 symptoms of Cellulitis?

A
  1. Redness of the skin
  2. Swelling of the skin
  3. Pain of the skin
  4. Tenderness of the skin
  5. Warmth of the skin
  6. Fever