ATI RN
Integumentary System of Pediatrics Questions
Question 1 of 5
A 9-year-old girl develops plaque-type psoriasis involving the extensor surfaces of the elbow and knee joints, posterior occipital scalp, and lumbosacral region. Which of the following medications should be avoided for this girl?
Correct Answer: B
Rationale: Oral corticosteroids should be avoided in psoriasis due to risk of rebound flares upon discontinuation.
Question 2 of 5
A 5-year-old boy develops a pruritic skin rash involving the lower extremities; he has a history of fever 1 week before that has been resolved spontaneously. Examination reveals many target lesions distributing symmetrically at knees, legs and feet; the outer layer of each lesion is red, the inner layer is purple, while the intermediate layer is white. Of the following, the MOST likely organism that may cause these target lesions is
Correct Answer: A
Rationale: Herpes simplex virus is the most common cause of erythema multiforme with classic target lesions.
Question 3 of 5
The papillary and reticular layers of the dermis are composed mainly of
Correct Answer: C
Rationale: The dermis, including its papillary and reticular layers, is primarily made up of connective tissue, including collagen and elastin, providing structure and support.
Question 4 of 5
The hair matrix contains
Correct Answer: D
Rationale: The hair matrix is the actively growing part of the hair bulb and consists of a layer of basal cells that divide to produce the hair.
Question 5 of 5
In humans, exposure of the skin to sunlight is required for
Correct Answer: A
Rationale: Sunlight triggers the synthesis of vitamin D in the skin by converting 7-dehydrocholesterol to previtamin D3.