NURSING EXAM QUESTIONS
PHARMACOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Anticholinergics
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Antihistamines
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Beta-blockers
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NSAIDs
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Detailed explanation-1: -H1 antihistamines-Epinephrine is first-line treatment for anaphylaxis, and there is no known equivalent substitute. H1 antihistamines (such as diphenhydramine or cetirizine) relieve itch and hives.
Detailed explanation-2: -Stinging nettle (Urtica dioica, 300 mg, 4 times per day)–May have anti-inflammatory and antihistamine properties. Look for freeze-dried, encapsulated nettles, which are believed to retain most of the antihistamine effects of the plant.
Detailed explanation-3: -Antihistamines are effective at relieving the itch caused by the release of histamine. They have a role in treating allergic rhinitis, allergic conjunctivitis and urticaria. The older antihistamines caused sedation so they have now been superseded by newer, less sedating drugs.