ATI RN
Pediatric Nursing Test Bank Questions
Question 1 of 5
Regarding a large patent ductus arteriosus (PDA), one of the following statements IS TRUE
Correct Answer: B
Rationale: A PDA murmur is continuous and may resemble a venous hum in timing and duration, though PDA murmur is best heard at the left infraclavicular area and is louder in systole.
Question 2 of 5
pH 7.14, PaCO2 80 mm Hg, HCO3 24 mmol/L, and PaO2 60 mm Hg. How would you interpret this
Correct Answer: A
Rationale: Low pH (acidosis) with high PaCO2 and normal HCO3 indicates uncompensated respiratory acidosis due to hypoventilation.
Question 3 of 5
A -day-old term breast-fed male appears icteric The physical examination reveals mild pallor and significant jaundice with a palpable liver 5 cm below the right rib margin His mother has a vague history of anemia and his older sister had prolonged neonatal jaundice The next logical step to evaluate the patient includes all of the following EXCEPT
Correct Answer: D
Rationale: Hemoglobin electrophoresis is not immediately necessary unless hemolytic anemia is suspected
Question 4 of 5
Obstructive shock is characterized by which of the following?
Correct Answer: A
Rationale: Obstructive shock results from physical blockage of blood flow, such as cardiac tamponade or pulmonary embolism, impairing ventricular output.
Question 5 of 5
Which factor is released from mast cells?
Correct Answer: C
Rationale: Histamine is a primary mediator released from mast cells during allergic reactions.