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Skin Anatomy and Physiology

Description: This quiz will assess your knowledge of the anatomy and physiology of the skin, the largest organ of the human body.
Number of Questions: 17
Created by:
Tags: dermatology anatomy physiology
Attempted 0/17 Correct 0 Score 0

Which of the following is NOT a layer of the skin?

  1. Epidermis

  2. Dermis

  3. Hypodermis

  4. Subcutis


Correct Option: D
Explanation:

The subcutis is not a layer of the skin, but rather the layer of fat and connective tissue that lies beneath the skin.

What is the primary function of the epidermis?

  1. Protection

  2. Sensation

  3. Thermoregulation

  4. Excretion


Correct Option: A
Explanation:

The epidermis is the outermost layer of the skin and its primary function is to protect the body from the environment.

Which of the following is NOT a type of skin cell?

  1. Keratinocytes

  2. Melanocytes

  3. Langerhans cells

  4. Adipocytes


Correct Option: D
Explanation:

Adipocytes are fat cells and are not found in the skin.

What is the role of melanin in the skin?

  1. Protection from UV radiation

  2. Sensation of touch

  3. Thermoregulation

  4. Excretion


Correct Option: A
Explanation:

Melanin is a pigment that gives skin its color and protects it from the harmful effects of ultraviolet radiation.

Which of the following is NOT a function of the dermis?

  1. Support

  2. Sensation

  3. Thermoregulation

  4. Excretion


Correct Option: D
Explanation:

Excretion is not a function of the dermis.

What is the role of the hypodermis?

  1. Insulation

  2. Storage of energy

  3. Protection

  4. Sensation


Correct Option: A
Explanation:

The hypodermis is the deepest layer of the skin and its primary function is to insulate the body.

Which of the following is NOT a type of sweat gland?

  1. Eccrine glands

  2. Apocrine glands

  3. Sebaceous glands

  4. Merocrine glands


Correct Option: C
Explanation:

Sebaceous glands are oil glands and are not sweat glands.

What is the primary function of sweat glands?

  1. Thermoregulation

  2. Excretion

  3. Protection

  4. Sensation


Correct Option: A
Explanation:

The primary function of sweat glands is to help regulate body temperature by producing sweat.

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

  1. Protection

  2. Sensation

  3. Thermoregulation

  4. Reproduction


Correct Option: D
Explanation:

Reproduction is not a function of the skin.

What is the largest organ of the human body?

  1. Skin

  2. Heart

  3. Lungs

  4. Brain


Correct Option: A
Explanation:

The skin is the largest organ of the human body, covering a surface area of approximately 2 square meters.

How many layers of skin do humans have?

  1. 1

  2. 2

  3. 3

  4. 4


Correct Option: C
Explanation:

Humans have three layers of skin: the epidermis, dermis, and hypodermis.

What is the outermost layer of the skin called?

  1. Epidermis

  2. Dermis

  3. Hypodermis

  4. Subcutis


Correct Option: A
Explanation:

The outermost layer of the skin is called the epidermis.

What is the middle layer of the skin called?

  1. Epidermis

  2. Dermis

  3. Hypodermis

  4. Subcutis


Correct Option: B
Explanation:

The middle layer of the skin is called the dermis.

What is the innermost layer of the skin called?

  1. Epidermis

  2. Dermis

  3. Hypodermis

  4. Subcutis


Correct Option: C
Explanation:

The innermost layer of the skin is called the hypodermis.

What is the function of the epidermis?

  1. Protection

  2. Sensation

  3. Thermoregulation

  4. Excretion


Correct Option: A
Explanation:

The function of the epidermis is to protect the body from the environment.

What is the function of the dermis?

  1. Support

  2. Sensation

  3. Thermoregulation

  4. Excretion


Correct Option: A
Explanation:

The function of the dermis is to provide support and structure to the skin.

What is the function of the hypodermis?

  1. Insulation

  2. Storage of energy

  3. Protection

  4. Sensation


Correct Option: A
Explanation:

The function of the hypodermis is to insulate the body and store energy.

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