ATI LPN
Pediatric Immunity NCLEX Questions Questions
Question 1 of 5
The measles, mumps, rubella and varicella (MMRV) is given to children at what age?
Correct Answer: C
Rationale: The MMRV vaccine, which combines measles, mumps, rubella, and varicella vaccines, is recommended for children at 12-15 months for the first dose, with a second dose at 4-6 years, per CDC guidelines. It is not given before 12 months because maternal antibodies may interfere with the live vaccine’s efficacy. Choice A (6 months), B (2 months), and D (4 months) are too early for MMRV; other vaccines (e.g., rotavirus, DTaP) are given at those ages instead.
Question 2 of 5
For consent to be considered valid it must contain all of these elements except:
Correct Answer: A
Rationale: Valid informed consent requires voluntariness (Choice B), adequate information about risks and benefits (Choice C), and mental capacity to understand and decide (Choice D). However, the client does not need to be 18 years of age (Choice A) for consent to be valid; minors can consent if emancipated, mature (per local laws), or via parental/guardian consent for vaccines. Age is not a universal requirement, making it the exception.
Question 3 of 5
Active immunity occurs when:
Correct Answer: A
Rationale: Active immunity occurs when the immune system produces antibodies in response to an antigen, such as after natural infection (Choice A) or vaccination. Choice B describes herd immunity, Choice C is passive immunity (e.g., immunoglobulin therapy), and Choice D, while a type of active immunity, is less general as it specifies recovery, whereas Choice A encompasses both infection and vaccination broadly.
Question 4 of 5
During a routine pediatric visit, a 12-month-old patient will need which of the following vaccines?
Correct Answer: B
Rationale: At 12 months, the CDC schedule includes Hib (dose 4), PCV (dose 4), MMR (dose 1), Varicella (dose 1), HepA (dose 1, with dose 2 at 18-24 months), and influenza (annually, 2 doses initially if first season). DTaP dose 4 is at 15-18 months, IPV dose 4 at 4-6 years, and RV completes by 8 months. Choice B matches the 12-15 month visit most closely. Choice C lacks MMR and Varicella, critical at this age.
Question 5 of 5
A 4-year-old child is receiving amoxicillin (Amoxil) to treat otitis media and is in the clinic for a well-child checkup on the last day of antibiotic therapy. The provider orders varicella (Varivax); mumps, measles, and rubella (MMR); inactivated polio (IPV); and diphtheria, tetanus, and acellular pertussis (DTaP) vaccines to be given. Which action by the nurse is correct?
Correct Answer: A
Rationale: Antibiotics like amoxicillin don’t interfere with vaccine efficacy or safety, so all vaccines (MMR, Varivax, IPV, DTaP) can be administered as ordered at the 4-6 year visit (Choice A). Choice B is unnecessary—live vaccines (MMR, Varivax) aren’t affected by antibiotics. Choice C is overly cautious, and Choice D (aspirin) is inappropriate due to Reye’s syndrome risk.