Pediatric ATI Practice Exam 2025 - Free Pediatric Practice Questions and Study Guide

The administration of Haemophilus influenzae type B (Hib) and inactivated poliovirus (IPV) vaccines to a 2-month-old infant aligns with the recommended immunization schedule. At this age, infants are typically in the initial phase of their vaccination series, which includes several key immunizations.

The Hib vaccine protects against infections caused by the Haemophilus influenzae bacteria, which can lead to severe illnesses such as meningitis and pneumonia. The IPV is crucial to prevent poliomyelitis, a serious viral infection that can cause paralysis. Both of these vaccines are part of the early childhood immunization schedule, with doses recommended at 2 months, 4 months, and 6 months of age.

In contrast, the other options provided do not align with the immunization schedule for a 2-month-old. The HPV and hepatitis A vaccines are generally given later in childhood, typically starting at 11-12 years of age for HPV and between 12-23 months for hepatitis A. The MMR vaccine is introduced at 12 months or later, while TDaP is usually administered in a booster format beginning at age 11-12. Similarly, the varicella vaccine and live attenuated influenza vaccine are