Pediatric Nurse Exam Pediatric Nurse Infectious Diseases and Immunizations

Question 1

At what age does the CDC immunization schedule recommend the first dose of the MMR vaccine?

Accepted Answer

12–15 months

Answer

The first MMR dose is given at 12–15 months, after maternal antibody protection has waned, with the second dose at 4–6 years.

Question 2

A child presents with a 'strawberry tongue,' sandpaper-like rash, and fever of 102°F. Which diagnosis does the nurse anticipate?

Accepted Answer

Scarlet fever

Answer

Strawberry tongue with a diffuse sandpaper-textured rash and fever is the classic presentation of scarlet fever, caused by Group A Streptococcus.

Question 3

Which vaccine is contraindicated in a child receiving high-dose chemotherapy?

Accepted Answer

MMR (live attenuated vaccine)

Answer

Live attenuated vaccines such as MMR are contraindicated in immunocompromised children because the weakened pathogen can cause disease in a child unable to mount a defense.

Question 4

A child with varicella (chickenpox) should be excluded from school until which point?

Accepted Answer

All lesions have crusted over

Answer

Varicella is contagious until all lesions have crusted, indicating the end of viral shedding and the infectious period.

Question 5

Which organism is responsible for hand, foot, and mouth disease (HFMD) in children?

Accepted Answer

Coxsackievirus A16 (enterovirus)

Answer

HFMD is most commonly caused by Coxsackievirus A16, an enterovirus, producing vesicular lesions on the hands, feet, and oral mucosa.

Pediatric Nurse Exam Practice Test

Pediatric Nurse Exam Practice Test

Pediatric Nurse Exam Pediatric Nurse Infectious Diseases and Immunizations