Integumentary System Test Review

Which of the following is formed in the skin when it is exposed to sunlight?

• vitamin A
• vitamin B
• vitamin C
• vitamin D
• vitamin E

Which of the following statements about rickets is not true?

• It is usually genetic.
• It leads to weak bones.
• It leads to skeletal deformity.
• It is prevented by vitamin D.
• It is prevented by sunlight.

A deficiency disease that illustrates the effect of integumentary system function on the structure of the skeletal system is

• osteoporosis.
• seborrheic dermatitis.
• decubitus ulcers.
• rickets.
• beriberi.

The most dangerous type of skin cancer is called

• keratosis.
• psoriasis.
• squamous cell carcinoma.
• melanoma.
• basal cell carcinoma.

Vitamin D3 is important for proper ________ development.

• skin
• bone
• muscle
• vision
• neural

Skin cancer that starts in the mitotically most active epidermal layer is called

• keratosis.
• psoriasis.
• squamous cell carcinoma.
• melanoma.
• basal cell carcinoma.

Tags

NGSS.HS-LS1-4

Children in northern regions experience months of inadequate sunlight exposure on the skin. To prevent possible abnormal bone development, what essential organic nutrient is necessary in the diet?

• vitamin C
• calcium
• cholecalciferol
• protein
• retinol-A

The layer of hard keratin that acts as the surface of the hair is termed the

• medulla.
• cuticle.
• hair bulb.
• root.
• shaft.

Variations in hair color reflect differences in the pigment produced by

• keratinocytes.
• melanocytes.
• dermal papillae.
• soft keratin.
• carotene cells.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

Glands that discharge an oily secretion into hair follicles are ________ glands.

• ceruminous
• apocrine sweat
• merocrine sweat
• sebaceous
• mammary