ATI RN
Pediatric Nursing Exam Flashcards Questions
Question 1 of 5
Which of the following is an index of poor outcome in fulminant hepatitis
Correct Answer: B
Rationale: A prolonged prothrombin time unresponsive to vitamin K suggests severe hepatic synthetic dysfunction and is a poor prognostic indicator in fulminant hepatitis.
Question 2 of 5
A 6-year-old boy with hereditary spherocytosis developed transient aplastic crisis following a recent viral infection. The most probable incriminated viral infection is:
Correct Answer: D
Rationale: Parvovirus B19 infects erythroid progenitor cells, temporarily halting erythropoiesis. In hereditary spherocytosis, this leads to severe anemia, as the lifespan of spherocytes is already reduced.
Question 3 of 5
Hyperkalemia with a normal total body potassium can be caused by:
Correct Answer: C
Rationale: In major trauma, cell lysis releases intracellular potassium into the blood, leading to hyperkalemia without an actual increase in total body potassium.
Question 4 of 5
Which of the following can cause distributive shock
Correct Answer: A
Rationale: Distributive shock is characterized by severe vasodilation and reduced systemic vascular resistance. Early sepsis leads to endotoxin-induced vasodilation, making it the most common cause of distributive shock.
Question 5 of 5
Acute ingestion of inorganic mercury salts (typically secondary to ingestion of a button battery) can manifest in a few hours as
Correct Answer: D
Rationale: Corrosive gastroenteritis results from the direct toxic effects of mercury salts on the gastrointestinal lining.