Integumentary System Practice Quiz

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| By Maggiewinkelmann

Maggiewinkelmann

Community Contributor

Quizzes Created: 1 | Total Attempts: 160

Questions: 10 | Attempts: 160 | Updated: Sep 5, 2023

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Questions and Answers

1.

Which of the following is NOT found in the epidermis?
- A.
  
  Squamous epithelial cells
- B.
  
  Langerhans cells
- C.
  
  Red blood cells
- D.
  
  Melanocytes
Correct Answer
C. Red blood cells

Explanation
Red blood cells are not found in the epidermis. The epidermis is the outermost layer of the skin and primarily consists of squamous epithelial cells. Langerhans cells are a type of immune cell found in the epidermis that play a role in the immune response. Melanocytes are responsible for producing melanin, the pigment that gives color to the skin. However, red blood cells are not present in the epidermis as they are found in the bloodstream and are responsible for carrying oxygen to different parts of the body.

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2.

What happens to epidermal cells when they move toward the surface of the skin?
- A.
  
  They obtain more nutrients.
- B.
  
  They divide more.
- C.
  
  They become dermal cells.
- D.
  
  They die.
Correct Answer
D. They die.

Explanation
As epidermal cells move towards the surface of the skin, they undergo a process called keratinization. During this process, the cells lose their nucleus and other organelles, becoming filled with a protein called keratin. This process causes the cells to harden and eventually die, forming a protective layer on the skin's surface. Therefore, the correct answer is that they die.

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3.

Tactile cells detect sensations of
- A.
  
  Pain
- B.
  
  Temperature
- C.
  
  Touch
- D.
  
  All of the above
Correct Answer
C. Touch

Explanation
Tactile cells are responsible for detecting sensations of touch. These specialized cells are located in the skin and help us perceive different textures, pressures, and vibrations when we come into contact with objects or surfaces. Tactile receptors are particularly sensitive to mechanical stimuli, allowing us to feel and interpret the world around us through the sense of touch.

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4.

Which layer of the epidermis protects from abrasion and is only found in thick skin?
- A.
  
  Stratum basale
- B.
  
  Stratum lucidum
- C.
  
  Stratum spinosum
- D.
  
  Stratum corneum
Correct Answer
B. Stratum lucidum

Explanation
The stratum lucidum is the layer of the epidermis that protects from abrasion and is only found in thick skin. It is a clear, translucent layer that is located between the stratum granulosum and the stratum corneum. This layer provides additional protection to the skin by adding an extra barrier against friction and wear. It is primarily composed of dead skin cells that have lost their nuclei and other organelles, making it less susceptible to damage.

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5.

Which of the following allows movement of muscles and joints and maintains normal skin tension.
- A.
  
  Elastic fibers
- B.
  
  Collagen fibers
- C.
  
  Tactile cells
- D.
  
  Dermal papillae
Correct Answer
A. Elastic fibers

Explanation
Elastic fibers are responsible for allowing movement of muscles and joints and maintaining normal skin tension. These fibers provide elasticity and flexibility to tissues, allowing them to stretch and recoil. They are particularly important in the skin, where they help maintain its firmness and resilience. Collagen fibers, on the other hand, provide strength and support to tissues, but do not contribute significantly to elasticity. Tactile cells are responsible for detecting touch sensations, while dermal papillae are involved in the formation of fingerprints and provide nourishment to the epidermis.

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6.

The dermal papillae anchor the dermis to the hypodermis.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The dermal papillae do not anchor the dermis to the hypodermis. Rather, they play a role in increasing the surface area between the dermis and epidermis, which helps with nutrient exchange and enhances grip. The anchor between the dermis and hypodermis is provided by collagen fibers and adipose tissue.

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7.

What type of skin gland secretes sweat?
- A.
  
  Sebaceous gland
- B.
  
  Sudoriferous gland
- C.
  
  Ceruminous gland
- D.
  
  Mammary gland
Correct Answer
B. Sudoriferous gland

Explanation
The correct answer is sudoriferous gland. Sudoriferous glands are responsible for secreting sweat. This type of gland is found all over the body and helps regulate body temperature by producing sweat, which then evaporates and cools the skin. Sebaceous glands, on the other hand, secrete oil and are responsible for lubricating the skin and hair. Ceruminous glands produce earwax, while mammary glands produce milk in females.

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8.

What is the most dangerous form of skin cancer?
- A.
  
  Basal cell carcinoma
- B.
  
  Squamous cell carcinoma
- C.
  
  Karposi's sarcoma
- D.
  
  Melanoma
Correct Answer
D. Melanoma

Explanation
Melanoma is the most dangerous form of skin cancer because it develops in the melanocytes, the cells that produce melanin, which gives color to the skin. Melanoma tends to spread quickly to other parts of the body, making it more difficult to treat and potentially life-threatening. It is crucial to detect melanoma early to increase the chances of successful treatment and prevent its spread.

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9.

What type of burn damages the epidermis and part of the dermis?
- A.
  
  First-degree
- B.
  
  Second-degree
- C.
  
  Third-degree
- D.
  
  Fourth-degree
Correct Answer
B. Second-degree

Explanation
A second-degree burn damages the epidermis (the outer layer of skin) and part of the dermis (the layer beneath the epidermis). This type of burn is characterized by redness, blistering, and pain. The damage extends beyond the top layer of skin, affecting the deeper layers as well.

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10.

Which of the following is NOT a protective function of the skin?
- A.
  
  Melanocytes protect from UV radiation
- B.
  
  As a covering, it keeps pathogens out
- C.
  
  The oily secretions allow bacteria to grow
- D.
  
  Langerhans cells phagocytize pathogens
Correct Answer
C. The oily secretions allow bacteria to grow

Explanation
The oily secretions of the skin, known as sebum, actually have antimicrobial properties that help to inhibit the growth of bacteria. Therefore, it is incorrect to say that the oily secretions allow bacteria to grow.

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Current Version
Sep 05, 2023

Quiz Edited by
ProProfs Editorial Team
Oct 02, 2014

Quiz Created by
Maggiewinkelmann

Integumentary System Practice Quiz

Which of the following is NOT found in the epidermis?

What happens to epidermal cells when they move toward the surface of the skin?

Tactile cells detect sensations of

Which layer of the epidermis protects from abrasion and is only found in thick skin?

Which of the following allows movement of muscles and joints and maintains normal skin tension.

The dermal papillae anchor the dermis to the hypodermis.

What type of skin gland secretes sweat?

What is the most dangerous form of skin cancer?

What type of burn damages the epidermis and part of the dermis?

Which of the following is NOT a protective function of the skin?