A nurse in an emergency department is preparing to administer theophylline by continuous intravenous (IV) infusion to a client who is experiencing an asthma attack. Which of the following actions should the nurse take?
Infuse the medication at 35 mg/min.
Infuse the medication with an IV pump.
Administer a test dose first.
Cover the IV container with dark paper.
The Correct Answer is B
Theophylline has a narrow therapeutic window which increase the risk of overdose and toxicity. It is also given at very small doses which could be difficult for the nursing staff to accurately titrate the drops and hence requires an infusion pump
A. Infusion of theophylline loading dose should not exceed 25mg/min due to risk of seizures and cardiac arrhythmias
C. Use of a test dose is not necessary as the risk of hypersensitivity with theophylline is very low.
D. Covering the IV container with dark paper is not necessary for the administration of theophylline.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Wernicke- Korsakoff is a neurological disorder that occurs commonly in malnourished alcoholic due to thiamine deficiency. It presents confusion, ataxia, visual disturbances and low blood pressure. It is managed by administration of thiamine to prevent permanent brain damage.
A . although alcohol can cause cardiomyopathy and cardiac arrhythmias, it is not directly related to Wernicke- Korsakoff syndrome
C. chronic alcoholism can lead to liver cirrhosis and esophageal varices but is not directly related to Wernicke-Korsakoff psychosis.
D. isolation is not necessary as Wernicke-Korsakoff psychosis is not a communicable disease.
Correct Answer is B
Explanation
When using multiple eye drops, it's generally recommended to wait at least 5 minutes between administering each medication. This helps prevent dilution of the medication and improves its absorption.
A is incorrect because holding pressure on the conjunctival sac after administering eye drops is not necessary and may increase systemic absorption of the medication.
C is incorrect because contact lenses should typically be removed before administering eye drops to prevent interference with the medication reaching the eye.
D is incorrect because touching the tip of the dropper to the sclera of the eye can contaminate the dropper tip and increase the risk of infection. It's important to administer eye drops without touching the tip to the eye or any other surface.
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