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1. Which of the following structures make up the integumentary system?
a. Skin, hair, nails, and glands
b. Heart, lungs, kidneys, and liver
c. Bones, muscles, and tendons
d. Brain, spinal cord, and nerves
Answer: a. Skin, hair, nails, and glands
Rationale: The integumentary system is composed of the skin, hair, nails,
and glands, all of which work together to protect the body from external
harm and regulate temperature.
2. Which layer of the skin contains blood vessels, nerves, and hair
follicles?
a. Epidermis
b. Dermis
c. Hypodermis
d. Subcutaneous tissue
Answer: b. Dermis
Rationale: The dermis is the middle layer of the skin, containing blood
vessels, nerves, and hair follicles, providing nourishment and sensation to
the skin.
3. Which skin condition is caused by an overproduction of sebum, leading
to clogged pores and inflammation?
a. Eczema
b. Psoriasis
c. Acne
d. Rosacea
Answer: c. Acne
Rationale: Acne is a common skin condition caused by excess oil
production, leading to clogged pores and inflammation, often affecting
adolescents and young adults.
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