Nokea
A 5-year-old girl presents with abdominal pain and vomiting. CT shows a twisted mesentery. Most likely diagnosis is:
- A. Appendicitis
- B. Intussusception
- C. Malrotation with volvulus
- D. Meckel diverticulum
Correct Answer: C
Rationale: Malrotation with volvulus features pain, vomiting, and twisted mesentery, per AAP. A, B, D, E differ in CT.
You may also like to solve these questions
A one-year-old girl with dysentery is discharged. The most important information for the mother is
- A. Place child on NPO for 8 hours if diarrhea occurs
- B. Don’t wait long before bringing child to hospital
- C. Observe good hygiene to reduce faeco-oral spread
- D. Start anti-diarrhea meds before hospital
Correct Answer: C
Rationale: Hygiene C prevents reinfection, critical in dysentery, per document 0.
A 2-year-old girl presents with a seizure and fever of 102°F. No focal neurologic signs are noted. Most likely diagnosis is:
- A. Epilepsy
- B. Febrile seizure
- C. Meningitis
- D. Brain tumor
Correct Answer: B
Rationale: Febrile seizure is common in toddlers with fever and no focal signs, per AAP. A, C-E have additional features.
A newborn girl appears with ambiguous genitalia and a 46,XX karyotype. Labs reveal elevated 17-hydroxyprogesterone. Most likely diagnosis is:
- A. Congenital adrenal hyperplasia
- B. Androgen insensitivity syndrome
- C. Gonadal dysgenesis
- D. 5-alpha reductase deficiency
Correct Answer: A
Rationale: CAH fits XX karyotype and elevated 17-OHP, per AAP (doc p149, Q574).
In administering vitamin K to the infant shortly after birth, the nurse understands that vitamin K is
- A. Synthesized by the kidneys
- B. Not initially synthesized because of sterile bowel at birth
- C. Given to enhance lung function
- D. Produced by the liver immediately
Correct Answer: B
Rationale: Not initially synthesized because of sterile bowel at birth B explains the need for vitamin K to prevent hemorrhagic disease, per document .
A 6-month-old infant presents with wheezing and tachypnea. Chest x-ray shows perihilar infiltrates. Most likely diagnosis is:
- A. Pneumonia
- B. Bronchiolitis
- C. Cystic fibrosis
- D. Asthma
Correct Answer: B
Rationale: Bronchiolitis features wheezing and perihilar infiltrates, per AAP. A, C-E differ.