A nurse in a clinic is preparing to administer the measles, mumps, rubella (MMR) vaccine to a client. Which of the following findings should indicate to the nurse that the client has a contraindication for the MMR vaccine?

The client had a local reaction from a previous immunization

The client reports having diarrhea this morning

The client is at 9 weeks of gestation

The client reports an allergy to penicillin.

Answer and Explanation

The Correct Answer is C

A. The client had a local reaction from a previous immunization. A mild local reaction, such as redness or swelling at the injection site, is not a contraindication to receiving the MMR vaccine. These reactions are common and typically resolve without complications. Only severe allergic reactions, such as anaphylaxis, would warrant withholding the vaccine.

B. The client reports having diarrhea this morning. Mild illnesses, such as diarrhea or the common cold, do not contraindicate vaccination. The MMR vaccine can be safely administered as long as the client does not have a moderate to severe illness with fever. Delaying immunization due to minor illnesses could lead to unnecessary gaps in vaccine coverage.

C. The client is at 9 weeks of gestation. The MMR vaccine is a live attenuated vaccine and is contraindicated during pregnancy due to the theoretical risk of fetal harm. Pregnant individuals should wait until after delivery to receive the vaccine. If a client of childbearing age is vaccinated, they should be advised to avoid pregnancy for at least 4 weeks following immunization to reduce the risk of congenital rubella syndrome.

D. The client reports an allergy to penicillin. A penicillin allergy is not a contraindication for the MMR vaccine. The MMR vaccine does not contain penicillin or related antibiotics. Severe allergic reactions to vaccine components, such as neomycin or gelatin, would be more relevant contraindications. Clients with a penicillin allergy can safely receive the MMR vaccine without concern.

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Correct Answer is ["3"]

Explanation

Convert pounds to kilograms:

Conversion factor: 1 kg = 2.2 lb

66 lb / 2.2 lb/kg = 30 kg

Calculate the dose to administer:

Dose (mg) = Weight (kg) × Dosage (mg/kg)

=30 kg × 0.1 mg/kg

= 3 mg

A. Baker's yeast B. Nuts C. Wheat D. Egg yolk

Correct Answer is A

Explanation

A. Baker's yeast. The hepatitis B vaccine is contraindicated in individuals with a severe allergy to baker’s yeast. This is because the vaccine is produced using Saccharomyces cerevisiae (baker’s yeast), which can trigger an allergic reaction in susceptible individuals. Symptoms of a yeast allergy may include rash, difficulty breathing, and anaphylaxis, requiring the vaccine to be withheld and an alternative plan considered.

B. Nuts. Nut allergies are not related to the hepatitis B vaccine, as it does not contain nut-derived ingredients. While nut allergies can be severe and cause anaphylaxis, they do not pose a specific risk in the administration of this vaccine. Therefore, the presence of a nut allergy alone does not require withholding the immunization.

C. Wheat. A wheat allergy is not a contraindication for the hepatitis B vaccine. Wheat allergies primarily cause reactions to gluten-containing foods or products but do not have any connection to the components used in the production of the vaccine. The vaccine can be safely administered to individuals with wheat allergies.

D. Egg yolk. While some vaccines, such as the influenza vaccine, may be derived from egg proteins, the hepatitis B vaccine is not produced using egg-based components. An allergy to egg yolk does not pose a risk for adverse reactions to this vaccine, so it should not be withheld in individuals with an egg allergy.

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A nurse in a clinic is preparing to administer the measles, mumps, rubella (MMR) vaccine to a client. Which of the following findings should indicate to the nurse that the client has a contraindication for the MMR vaccine?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer morphine 0.1 mg/kg IM to a school-age child who weighs 66 lb. What is the dose that the nurse should administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["3"]

Explanation

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Correct Answer is A

Explanation

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