HESI Specialty Exam Bank: Vaccination Guidelines &
Community Immunization Protocols
Table of Contents
Subtopic 1: Pediatric Immunization Schedules and Administration ................................... 2
Subtopic 2: Adolescent & Adult Immunization Guidelines ................................................ 9
Subtopic 3: Immunization in Special Populations (Pregnancy, Immunocompromised,
Travelers).................................................................................................................... 17
Subtopic 4: School and Occupational Vaccine Requirements ........................................ 25
Subtopic 5: Vaccine Contraindications and Adverse Reactions (Questions 81–100) ......... 33
Subtopic 6: Immunization Schedules, Timing, and Catch-up Planning ............................ 41
Subtopic 7: Vaccine Hesitancy, Misinformation, and Public Health Communication ........ 49
Subtopic 8: Cold Chain Management & Vaccine Storage Guidelines ............................... 57
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Subtopic 1: Pediatric Immunization Schedules and
Administration
Question 1
Which vaccine is first administered at birth according to the CDC-recommended
immunization schedule?
A. Rotavirus
B. Hepatitis B
C. DTaP
D. MMR
Correct answer: B. Hepatitis B
Rationale: The first dose of the Hepatitis B vaccine is recommended at birth, typically
within 24 hours, to prevent perinatal transmission.
Question 2
At what age should the first dose of the MMR vaccine be given?
A. 6 months
B. 9 months
C. 12 months
D. 18 months
Correct answer: C. 12 months
Rationale: The MMR (measles, mumps, rubella) vaccine is first administered at 12–15
months, as maternal antibodies may interfere if given earlier.
Question 3
Which of the following vaccines is administered orally in infancy?
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A. Rotavirus
B. Hepatitis A
C. Varicella
D. Influenza
Correct answer: A. Rotavirus
Rationale: The rotavirus vaccine is unique among pediatric vaccines as it is given orally
rather than by injection.
Question 4
At what minimum age can the first dose of the inactivated influenza vaccine be given?
A. 2 months
B. 4 months
C. 6 months
D. 6 months
Correct answer: D. 6 months
Rationale: The inactivated influenza vaccine is approved for infants starting at 6 months of
age.
Question 5
Which vaccine is given in a 3-dose series during infancy at 2, 4, and 6 months of age?
A. MMR
B. Hepatitis A
C. DTaP
D. Varicella
Correct answer: C. DTaP
Rationale: DTaP (diphtheria, tetanus, pertussis) is given in a 5-dose series, with the first
three doses at 2, 4, and 6 months.
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Question 6
What is the preferred site for IM injection of vaccines in infants under 12 months?
A. Deltoid muscle
B. Anterolateral thigh
C. Gluteus maximus
D. Ventrogluteal
Correct answer: B. Anterolateral thigh
Rationale: The vastus lateralis (anterolateral thigh) is preferred in infants due to adequate
muscle mass and fewer major nerves.
Question 7
What is the minimum interval between the first and second dose of the Hepatitis B
vaccine?
A. 2 days
B. 1 month
C. 2 months
D. 3 weeks
Correct answer: B. 1 month
Rationale: The second dose of Hepatitis B should be given at least one month after the first
dose.
Question 8
Which vaccine protects against a serious bacterial infection leading to epiglottitis and
meningitis in children?
A. MMR
B. Varicella