A nurse is collecting data from a client before administering a hepatitis B immunization. The nurse should withhold the immunization if the client is allergic to which of the following substances?

Baker's yeast

Nuts

Wheat

Egg yolk

Answer and Explanation

The Correct Answer is A

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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Correct Answer is B

Explanation

A. "Place a thick layer of the medication on open areas." Topical corticosteroids like fluticasone should not be applied in thick layers or to open wounds, as excessive absorption can lead to systemic side effects such as adrenal suppression. A thin layer is sufficient to achieve the desired anti-inflammatory effects while minimizing adverse reactions.

B. “Rub the medication until it disappears.” Topical corticosteroids should be applied in a thin layer and gently rubbed into the skin until no visible residue remains. This ensures even absorption without excessive medication buildup, reducing the risk of local and systemic side effects, especially in infants who have a higher risk of absorption due to their thinner skin.

C. "Cover the area with an occlusive dressing." Occlusive dressings increase medication absorption, which can lead to systemic corticosteroid effects such as skin thinning, delayed wound healing, and adrenal suppression. Occlusion should only be used under medical supervision, especially in infants who are more susceptible to these effects.

D. "Apply the medication to your infant's entire arm." Fluticasone should be applied only to affected areas, not the entire limb. Applying it over a larger area than necessary increases the risk of systemic absorption and side effects. The medication should be used only as directed for targeted treatment of atopic dermatitis.

A. Mependine B. Diazepam C. Naloxone D. Promethazine

Correct Answer is D

Explanation

A. Meperidine. Meperidine is an opioid analgesic used for moderate to severe pain. It does not treat nausea and vomiting and can worsen these symptoms by delaying gastric emptying. Opioids also depress the central nervous system, which may cause dizziness and sedation.

B. Diazepam. Diazepam is a benzodiazepine used for anxiety, muscle spasms, and seizures. It has no antiemetic effects and does not relieve nausea or vomiting. Instead, it can cause dizziness and drowsiness, which may further discomfort the client.

C. Naloxone. Naloxone is an opioid antagonist used to reverse opioid-induced respiratory depression. Since the client’s nausea is not opioid-related, naloxone would not be beneficial. Its administration can also cause withdrawal symptoms in opioid-dependent clients.

D. Promethazine. Promethazine is an antiemetic that blocks histamine and dopamine receptors in the brain, reducing nausea and vomiting. It is commonly used for motion sickness, post-surgical nausea, and gastrointestinal illnesses, making it the appropriate choice for this client.

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A nurse is collecting data from a client before administering a hepatitis B immunization. The nurse should withhold the immunization if the client is allergic to which of the following substances?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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Correct Answer is D

Explanation

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