ATI RN
Integumentary System of Pediatrics Questions
Question 1 of 5
You are evaluating a 2-month-old male infant with extensive beard hemangioma involving the chin and jaw; he has no hoarseness of voice or stridor. Of the following, the NEXT step in the management of this infant is
Correct Answer: A
Rationale: Laryngoscopy is the next step to rule out airway involvement in a beard hemangioma, even without current symptoms.
Question 2 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 3 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 4 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.
Question 5 of 5
If you cut yourself and bacteria enter the wound, which of the following cells would help get rid of the bacteria?
Correct Answer: C
Rationale: Langerhans cells are immune cells in the epidermis that detect and help eliminate pathogens like bacteria.