Complete Question Bank

ATI LPN · Anatomy and Physiology · Integumentary System Questions and Answers

Full Question & Rationale Repository

Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

A drug that is administered 'transdermally' is one that:

A. acts at (or close to) the skin area to which it is administered.
B. is injected into the muscle
C. is applied to the epidermis
D. is inserted into the anus

Expert Explanatory Rationale

Correct Answer: is applied to the epidermis

Question 2 of 5

Which of the following is not a function of the integument?

A. prevention of body dehydration
B. synthesis of vitamin A
C. regulation of body fluids
D. regulation of body temperature

Expert Explanatory Rationale

Correct Answer: synthesis of vitamin A

Question 3 of 5

What is the function of sebum produced by sebaceous glands?

A. Protection against UV radiation
B. Temperature regulation
C. Lubrication of skin and hair
D. Productionè² æ‹…of melanin

Expert Explanatory Rationale

Correct Answer: Lubrication of skin and hair

Question 4 of 5

What is the primary function of the stratum corneum in the epidermis?

A. Sensation
B. Barrier against pathogens and dehydration
C. Production of melanin
D. Temperature regulation

Expert Explanatory Rationale

Correct Answer: Barrier against pathogens and dehydration

Question 5 of 5

What is the primary function of Ruffini endings in the dermis?

A. Detecting pressure and vibration
B. Detecting light touch and fine texture
C. Detecting temperature changes
D. Producing sweat

Expert Explanatory Rationale

Correct Answer: Detecting pressure and vibration