Lesson 5 - Integumentary System

The nail root, where the nail is formed, is labeled as # ___ in above diagram. Select one: A. 6 B. 3 C. 2 D. 1

6

A patient slipped and fell in an industrial accident. He tried to stop his fall by holding on to a vat containing hot oil. His hand slipped and his left arm went into the hot oil. Based on the diagram above, the patient suffered second and third degree burns to ___% of his body. Select one: A. 36 B. 18 C. 9 D. 27

9

Which of the following skin disorders is not caused by an infection with bacteria, viruses, fungi, or parasites? Select one: A. Jock itch B. Warts C. Bedsores D. Pediculosis

Bedsores

Which of the following is the medical term for "scar"? Select one: A. Ulcus B. Callus C. Cicatrix D. Keloid

Cicatrix

A diaper rash is an example for which common skin disorder? Select one: A. Hives B. Atopic dermatitis C. Contact dermatitis D. Eczema

Contact dermatitis

The combining form "trich(o)-" relates to which of the following structures? Select one: A. Sweat glands B. Hair C. Nails D. Skin

Hair

Which of the following is not a function of the skin? Select one: A. Vitamin C production B. Immune defense C. Barrier for fluid loss and waterproofing D. Sensation for temperature, touch, and pain

Vitamin C production

The arrow labeled #4 in the diagram above points at ____. Select one: A. a sweat gland B. a blood vessel C. a hair root D. an oil gland

a sweat gland

Which of the following statements is incorrect? Select one: A. Malignant melanoma is the most common and most dangerous skin cancer. B. Other names for a nevus (mole) include birthmark or beauty mark. C. Basal cell carcinoma is the least malignant type of the skin cancer. D. Squamous cell carcinoma lesions tend to look like crusty sores that won't heal.

Malignant melanoma is the most common and most dangerous skin cancer.

Which of the following is a common therapeutic procedure for skin cancer? Select one: A. Laser treatment B. Mohs surgery C. Cortisone cream D. Topical medications

Mohs surgery

Which of the following statements is correct? Select one: A. Tinea pedis, an infection between the toes of the foot, is better known as athlete's foot. B. Shingles, also known as Herpes zoster is a bacterial infection just below the skin. C. The human papillomavirus (HPV) infects the cells of the skin and causes pediculosis. D. Cold sores are a fungal infection.

Tinea pedis, an infection between the toes of the foot, is better known as athlete's foot.

A small, flat patch of pigmented skin that often becomes more pronounced with sun exposure is called a____. Select one: A. freckle B. dysplastic nevus C. mole D. birth mark

freckle

The outermost layer of the skin is called _____. Select one: A. hypodermis B. dermis C. basal layer D. epidermis

epidermis

The hypodermis or subcutaneous layer consists mainly of ___. Select one: A. melanocytes B. fat tissue C. keratin D. blood vessels

fat tissue

A sunburn is the most common form of a ___ burn. Select one: A. full thickness B. first degree C. second degree D. third degree

first degree