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is incorrect because diphenhydramine is an antihistamine that can help relieve itching, hives, and urticaria, but it does not reverse bronchoconstriction or hypotension. Diphenhydramine can be given as an adjunct therapy after epinephrine.

is incorrect because albuterol is a beta2 agonist that can help relieve bronchospasm, but it does not affect blood pressure or other systemic effects of anaphylaxis. Albuterol can be given as an adjunct therapy after epinephrine.

is incorrect because hydrocortisone is a corticosteroid that can help reduce inflammation and prevent delayed reactions, but it does not have an immediate effect on anaphylaxis. Hydrocortisone can be given as an adjunct therapy after epinephrine.

is incorrect because acetaminophen is an analgesic and antipyretic that does not affect platelet function or warfarin metabolism. However, high doses or chronic use of acetaminophen can increase INR and cause liver toxicity, so the nurse should advise the client to limit acetaminophen intake and monitor liver function tests.

is incorrect because loratadine is an antihistamine that does not interact with warfarin or affect bleeding. Loratadine can be used safely by clients who have allergies and are taking warfarin.

is incorrect because calcium carbonate is an antacid and a calcium supplement that does not interact with warfarin or affect bleeding. However, calcium carbonate can interfere with the absorption of other medications, so the nurse should instruct the client to take it at least 2 hours before or after other medications.

is incorrect because metformin is an antidiabetic agent that does not cause a cough as an adverse reaction. The most common adverse reactions of metformin are gastrointestinal disturbances, such as nausea, vomiting, diarrhea, and abdominal pain.

is incorrect because atenolol is a beta blocker that does not cause a cough as an adverse reaction. The most common adverse reactions of atenolol are bradycardia, hypotension, fatigue, and dizziness.

is incorrect because glipizide is a sulfonylurea that does not cause a cough as an adverse reaction. The most common adverse reactions of glipizide are hypoglycemia, weight gain, and skin rash.

is incorrect because administering the medication as prescribed and monitoring for signs of an allergic reaction can put the client at risk of developing a serious or life-threatening reaction, such as anaphylaxis. The nurse should not administer any medication that the client is allergic to.

is incorrect because asking the client about the type and severity of his allergic reaction to penicillin is not enough to prevent an allergic reaction to amoxicillin. Even if the client had a mild reaction to penicillin in the past, he may have a severe reaction to amoxicillin in the present. The nurse should avoid giving any medication that has cross-sensitivity with penicillin.

is incorrect because administering an antihistamine before giving the medication to prevent an allergic reaction is not a safe or effective practice. Antihistamines do not prevent anaphylaxis, which is a life-threatening reaction that requires immediate intervention. Antihistamines can also mask some signs of an allergic reaction, such as itching and hives, making it harder to detect and treat.

Occupation is not directly related to the risk of anaphylaxis.

Blood type does not significantly contribute to the risk of anaphylaxis.

Eye color has no direct correlation with the risk of anaphylactic reactions.

Body weight is not directly related to the risk of allergic reactions to medications.

Dietary preferences may affect other aspects of health but are not directly associated with the risk of allergic reactions to medications.

Previous exposure to a medication is a significant risk factor for developing an allergic reaction. Sensitization to a particular medication can occur after the initial exposure, leading to an allergic response upon subsequent use.