ATI RN
Pediatric Infectious Disease Questions
Question 1 of 5
In infants with isoimmune thrombocytopenia or with neonatal thrombocytopenia born to a mother with idiopathic thrombocytopenic purpura (ITP), without treatment, thrombocytopenia resolves spontaneously after birth within
Correct Answer: A
Rationale: Neonatal ITP resolves within 1 month (A) as maternal antibodies clear, per natural history.
Question 2 of 5
Primary pulmonary hypertension of the newborn (PPHN) is characterized by severe hypoxemia, without evidence of parenchymal lung or structural heart disease. Of the following, the congenital heart disease that is initially indistinguishable from PPHN is
Correct Answer: D
Rationale: Total anomalous venous return (D) mimics PPHN with hypoxemia and normal lungs, per differential diagnosis.
Question 3 of 5
After diagnosis of pertussis in a toddler, erythromycin should be given to the patient and to which family members?
Correct Answer: D
Rationale: CDC recommends prophylaxis for all household contacts of pertussis cases regardless of age or immunization status to prevent spread.
Question 4 of 5
The prognosis with cholera is poor if
Correct Answer: C
Rationale: Acute tubular necrosis significantly worsens cholera prognosis due to renal failure.
Question 5 of 5
Hemorrhagic cystitis, conjunctivitis, pneumonia, and diarrhea all have been linked to which of the following?
Correct Answer: B
Rationale: Adenovirus is associated with a wide range of symptoms including hemorrhagic cystitis and conjunctivitis.