Integumentary (Skin) Practice Quiz
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- 1.
In the figure below, which layer (1a, 1b, or 1c) is the EPIDERMIS?
Explanation
The epidermis, represented as layer 1a in the figure, is the outermost layer of the skin. It serves as the first line of defense against environmental factors, protecting the body from pathogens, UV radiation, and water loss. The epidermis is composed of several sublayers, including the stratum corneum, which is the outermost layer, and is responsible for the skin's barrier function. It continually regenerates, shedding old cells and replacing them with new ones.Rate this question:
- 2.
In the figure below, which layer (1a, 1b, or 1c) is the HYPODERMIS?
Explanation
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- 3.
A burn which destroys the entire thickness of skin, appears blanched (gray-white) or blackened, and is not painful due to destroyed nerves is considered a:
- A.
Partial-thickness burn
- B.
1st degree burn
- C.
2nd degree burn
- D.
3rd degree burn
Correct Answer
D. 3rd degree burnExplanation
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- 4.
A burn patient has her entire left leg (anterior and posterior side) from hip to foot burned. What is the extent of the burn, according to the rule of nines?
- A.
9%
- B.
18%
- C.
27%
- D.
36%
Correct Answer
B. 18%Explanation
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- 5.
The two main harmful physiological effects of critical burns are
- A.
Heat loss and dessication
- B.
Dehydration and infection
- C.
Chemical damage and fluid loss
- D.
Bacterial invasion and cosmetic scars
Correct Answer
B. Dehydration and infectionExplanation
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- 6.
Why does electrolyte imbalance occur in critical burns?
- A.
The victim is unable to eat or drink for several days due to the severity of the burn
- B.
Fluid containing electrolytes and proteins seeps from burned surfaces
- C.
Electrolytes are lost due to increased urine production after a burn
- D.
Proteins in the skin cells are denatured when exposed to severe heat
Correct Answer
B. Fluid containing electrolytes and proteins seeps from burned surfacesExplanation
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- 7.
In the figure below, which structure is a SWEAT GLAND?
Correct Answer
10Explanation
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- 8.
In the figure below, which structure is a HAIR FOLLICLE?
Correct Answer
11
12Explanation
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- 9.
Melanin produced by melanocytes in the skin offers protection from:
- A.
Ultraviolet radiation
- B.
Thermal damage
- C.
Dessication
- D.
Chemical damage
Correct Answer
A. Ultraviolet radiationExplanation
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- 10.
Urea and uric acid are extreted through:
- A.
Cholesterol molecules in the skin
- B.
The "acid" mantle," skin secretions that inhibit bacteria
- C.
Perspiration produced by sweat glands
- D.
Blood that flushes into skin capillary beds
Correct Answer
C. Perspiration produced by sweat glandsExplanation
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Oct 04, 2024Quiz Edited by
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Jul 25, 2011Quiz Created by
UICAnatomy