A 6-month-old infant presents with stridor and feeding difficulty. Laryngoscopy shows a floppy larynx. Most likely diagnosis is:

Questions 56

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ATI PN Pediatrics Proctored Exam 2023 Questions

Question 1 of 9

A 6-month-old infant presents with stridor and feeding difficulty. Laryngoscopy shows a floppy larynx. Most likely diagnosis is:

Correct Answer: B

Rationale: Laryngomalacia features stridor and floppy larynx, per AAP. A, C-E differ.

Question 2 of 9

A 2-year-old boy presents with a high fever and rash on the trunk and extremities. Exam shows Koplik spots. Most likely diagnosis is:

Correct Answer: A

Rationale: Measles features fever, rash, and Koplik spots, per CDC. B-E lack spots.

Question 3 of 9

A 3-year-old girl presents with a high fever and drooling. X-ray shows a thumbprint sign. Most likely diagnosis is:

Correct Answer: B

Rationale: Epiglottitis presents with fever, drooling, and a thumbprint sign, per AAP. A, C-E have different signs.

Question 4 of 9

A 6-year-old boy with Down syndrome is diagnosed to have acute appendicitis. Anesthesiologist may require the following investigation prior to general anesthesia:

Correct Answer: A

Rationale: Down syndrome has a ~50% incidence of congenital heart defects (e.g., AVSD), making an echocardiogram critical pre-anesthesia to assess cardiac risk (AAP guidelines). EKG is less specific for structural issues. Lateral neck x-ray checks atlantoaxial instability, but cardiac evaluation takes precedence. GI studies (D, E) are irrelevant here.

Question 5 of 9

Most common cause of hyperthyroidism in children is:

Correct Answer: B

Rationale: Graves disease is the most common cause of hyperthyroidism in children, per AAP (doc p150, Q583).

Question 6 of 9

When responding to a visually impaired child, the nurse should

Correct Answer: A

Rationale: Addressing upon entering A orients the child, per document p13, 1.

Question 7 of 9

The nurse suspects bleeding post-tonsillectomy if the child

Correct Answer: D

Rationale: Frequent swallowing D indicates bleeding, per document p16, 7.

Question 8 of 9

A 6-month-old infant presents with poor feeding and cyanosis. Echocardiogram shows tricuspid atresia. The next step is:

Correct Answer: B

Rationale: Prostaglandin E1 stabilizes tricuspid atresia by maintaining ductal flow, per AHA. A, C-E follow stabilization.

Question 9 of 9

Factors contributing to normal growth before and after birth include select all

Correct Answer: B

Rationale: Nutrition A, sex hormones B, trophic hormones C I, II, III, per document p9, 5.

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