Questions and Answers
Which medication is classified as a histamine-2 receptor antagonist?
What is the major clinical use of dobutamine?
increase cardiac output
Which antimicrobials is not commonly used to treat burns?
What should the nurse do if a client reports unrelieved heel pain after analgesic administration?
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How should the nurse administer adenosine for supraventricular tachycardia?
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Study Notes
Histamine-2 Receptor Antagonists
- Famotidine is the primary medication classified as a histamine-2 receptor antagonist.
- Other medications such as lansoprazole and esomeprazole are proton pump inhibitors (PPIs) and should not be confused with H2 antagonists.
- Metronidazole is classified as an antibiotic and is also unrelated to H2 antagonists.
Dobutamine and Cardiac Output
- Dobutamine is primarily used to increase cardiac output.
- It is indicated for clients with acute heart failure and those undergoing cardiopulmonary bypass surgery.
- Catecholamines like epinephrine hydrochloride are used for sinus bradycardia and acute hypotension, but not for hypertension due to their potential to elevate blood pressure.
Antimicrobials for Burns
- Tetracycline is not commonly used in the treatment of burns.
- Silver sulfadiazine (Silvadene), mafenide (Sulfamylon), and silver nitrate (AgNO3) 0.5% solution are the three main antimicrobials prescribed for burn management.
Management of Unrelieved Pain
- In cases of unrelieved heel pain after analgesic administration, the appropriate nursing intervention is to contact the physician.
- The nurse cannot administer a repeat dose of analgesic without a physician's order.
- Other interventions like massaging the ankle or applying moist heat are inappropriate as they could lead to complications such as deep vein thrombosis.
Administration of Adenosine
- Adenosine should be administered via IV push as quickly as possible for treating supraventricular tachycardia (SVT).
- Due to its extremely short half-life of a few seconds, it must be followed by a rapid flush to ensure effectiveness.
- Slower administration or dilution in saline results in loss of efficacy and is not recommended.
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Description
Test your knowledge of pharmacology concepts relevant to client needs. This quiz covers key medications, their classifications, and clinical uses. Perfect for nursing students and professionals who want to refresh their understanding of medication management.
