NAPLEX QBANK Public Health and Immunizations 2 — Questions and Answers
Question 1: A healthy 30-year-old patient with no contraindications requests influenza vaccination in October. Which formulation is preferred?
- Inactivated influenza vaccine (IIV) (Correct answer)
- Live attenuated influenza vaccine only for those over 65
- Tetanus-diphtheria vaccine
- Pneumococcal polysaccharide vaccine
Correct answer: Inactivated influenza vaccine (IIV)
Inactivated influenza vaccine is appropriate for most adults and is the standard recommended formulation.
Question 2: Which vaccine is contraindicated in a patient with a severe allergy to baker's yeast?
- Hepatitis B vaccine (Correct answer)
- MMR vaccine
- Inactivated polio vaccine
- Tdap vaccine
Correct answer: Hepatitis B vaccine
Hepatitis B vaccine is produced in yeast and is contraindicated in patients with severe yeast allergy.
Question 3: What is the minimum recommended interval between two doses of MMR vaccine in children?
- 28 days (Correct answer)
- 7 days
- 6 months
- 12 months
Correct answer: 28 days
The minimum interval between MMR doses is 28 days (4 weeks).
Question 4: A pregnant patient at 30 weeks gestation should receive which vaccine to protect the newborn from pertussis?
- Tdap (Correct answer)
- MMR
- Live attenuated influenza vaccine
- Varicella
Correct answer: Tdap
Tdap is recommended during each pregnancy, ideally between 27 and 36 weeks, to transfer antibodies and protect the infant from pertussis.
Question 5: Which route is used to administer the varicella vaccine?
- Subcutaneous (Correct answer)
- Intramuscular
- Intranasal
- Oral
Correct answer: Subcutaneous
Varicella vaccine is administered subcutaneously.
Question 6: A patient taking high-dose corticosteroids (20 mg prednisone daily for 3 weeks) should avoid which vaccine?
- MMR (Correct answer)
- Inactivated influenza vaccine
- Pneumococcal conjugate vaccine
- Hepatitis A vaccine
Correct answer: MMR
Live vaccines like MMR are contraindicated in patients on high-dose immunosuppressive corticosteroid therapy.
Question 7: What is the recommended age to begin the PCV15 or PCV20 pneumococcal series in healthy infants?
- 2 months (Correct answer)
- 12 months
- 4 years
- 6 years
Correct answer: 2 months
The pneumococcal conjugate vaccine series begins at 2 months of age in the routine infant schedule.
NAPLEX QBANK Public Health and Immunizations 2
A healthy 30-year-old patient with no contraindications requests influenza vaccination in October.
Which formulation is preferred?