Integumentary System Quiz: Test Your Knowledge of Skin, Hair, and Nails

Question 1

Which layer of the skin contains hair follicles and sweat glands?

Accepted Answer

The middle layer of the skin (dermis)

Answer

The outermost layer of the skin (epidermis)

Answer

The innermost layer of the skin (hypodermis)

Answer

The layer of fat beneath the skin (subcutaneous layer)

Question 2

What is the name of the pigment that gives hair its color?

Accepted Answer

Melanin

Answer

Hemoglobin

Answer

Chlorophyll

Answer

Carotene

Question 3

Which of the following is a nail disorder characterized by thickening and discoloration of the nail?

Accepted Answer

Onychomycosis (fungal infection of the nail)

Answer

Onycholysis (separation of the nail from the nail bed)

Answer

Paronychia (infection of the nail fold)

Answer

Pterygium unguis (overgrowth of the cuticle onto the nail)

Question 4

What is the main function of the stratum corneum, the outermost layer of the skin?

Accepted Answer

To provide a waterproof barrier

Answer

To contain sensory receptors

Answer

To produce hair and sweat

Answer

To store fat

Question 5

Which skin condition is characterized by excessive production of skin cells, leading to thick, red, and scaly patches?

Accepted Answer

Psoriasis

Answer

Eczema

Answer

Dermatitis

Answer

Rosacea

Question 6

What type of cells produce melanin, which gives skin its color?

Accepted Answer

Melanocytes

Answer

Keratinocytes

Answer

Fibroblasts

Answer

Adipocytes

Question 7

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

Accepted Answer

Excretion of waste products

Answer

Protection from UV radiation

Answer

Sensory reception

Answer

Thermoregulation

Question 8

Which of the following conditions is characterized by the formation of red, itchy patches on the skin?

Accepted Answer

Eczema

Answer

Psoriasis

Answer

Acne

Answer

Rosacea

Question 9

What is the term for the removal of a skin lesion by surgical excision?

Accepted Answer

Excision

Answer

Biopsy

Answer

Curettage

Answer

Debridement

Question 10

What is the first step in the coding process for a skin biopsy?

Accepted Answer

Identify the anatomic site

Answer

Determine the procedure code

Answer

Assign a modifier

Answer

Indicate the laterality

Question 11

Which of the following is the deepest layer of the skin?

Accepted Answer

Hypodermis

Answer

Epidermis

Answer

Dermis

Answer

Subcutaneous layer

Question 12

What type of cells produce melanin, the pigment that gives skin its color?

Accepted Answer

Melanocytes

Answer

Keratinocytes

Answer

Fibroblasts

Answer

Adipocytes

Question 13

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

Accepted Answer

Excretion

Answer

Insulation

Answer

Protection

Answer

Sensation

Question 14

What is the name of the tough, fibrous protein that is the primary component of hair and nails?

Accepted Answer

Keratin

Answer

Collagen

Answer

Elastin

Answer

Fibrinogen

Question 15

Which of the following is a type of skin cancer that originates in the melanocytes, the cells that produce melanin?

Accepted Answer

Melanoma

Answer

Basal cell carcinoma

Answer

Squamous cell carcinoma

Answer

Actinic keratosis

Question 16

Which layer of the skin is responsible for providing a waterproof barrier and housing the majority of sensory receptors?

Accepted Answer

Epidermis

Answer

Subcutaneous layer

Answer

Hypodermis

Answer

Dermis

Question 17

A patient presents with a skin infection caused by a bacterial strain that thrives in moist environments. Which of the following skin structures is most likely responsible for facilitating this infection?

Accepted Answer

Sweat glands

Answer

Sebaceous glands

Answer

Hair follicles

Answer

Melanocytes

Question 18

A medical assistant is coding a patient's chart for a diagnosis of psoriasis. Which of the following ICD-10-CM codes should be used?

Accepted Answer

L40.9

Answer

L98.4

Answer

L45.9

Answer

L89.0

Question 19

Which of the following is a common symptom associated with a fungal infection of the skin?

Accepted Answer

Scaling and itching

Answer

Pain and tenderness

Answer

Redness and swelling

Answer

Blisters and sores

Question 20

A patient reports experiencing excessive hair loss. Which of the following terms describes this condition?

Accepted Answer

Alopecia

Answer

Eczema

Answer

Hirsutism

Answer

Seborrhea

Question 21

What is the primary function of melanin?

Accepted Answer

Protection from UV radiation

Answer

Production of sweat

Answer

Synthesis of vitamin D

Answer

Regulation of body temperature

Question 22

Which of the following is NOT a component of the integumentary system?

Accepted Answer

Muscles

Answer

Skin

Answer

Hair

Answer

Nails

Question 23

What is the name of the outermost layer of the epidermis?

Accepted Answer

Stratum corneum

Answer

Stratum spinosum

Answer

Stratum granulosum

Answer

Stratum basale

Question 24

A patient is complaining of a severe sunburn. Which of the following is the most appropriate first-aid measure?

Accepted Answer

Apply cool compresses and drink plenty of fluids.

Answer

Apply a thick layer of moisturizer.

Answer

Apply a topical antibiotic ointment.

Answer

Take an over-the-counter pain reliever.