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A nurse is collecting data from a client who has heart failure prior to the administration of furosemide. For which of the following findings should the nurse withhold the medication?

A.

Blood pressure of 80/40 mm/Hg

B.

Oxygen saturation of 95%

C.

Serum sodium level of 140 mEq/L

D.

Serum potassium level of 4.8 mEq/L

Answer and Explanation

The Correct Answer is A

A. A blood pressure of 80/40 mm/Hg indicates hypotension, which is a contraindication for administering furosemide. The medication can further lower blood pressure and increase the risk of adverse effects.  

 

B. An oxygen saturation of 95% is within normal limits and does not indicate a need to withhold furosemide.  

 

C. A serum sodium level of 140 mEq/L is normal and would not warrant withholding the medication.  

 

D. A serum potassium level of 4.8 mEq/L is also normal and safe for furosemide administration, as the medication may cause potassium loss but does not require withholding if the level is within range. 


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View Related questions

Correct Answer is D

Explanation

A. Nicardipine is a calcium channel blocker primarily used to manage blood pressure but does not directly reduce ICP.

B. Phenytoin is an anticonvulsant used to prevent seizures, which may occur after a hemorrhage, but it does not address increased ICP.

C. Dopamine is used to increase blood pressure and cardiac output but does not play a role in reducing ICP.

D. Mannitol is an osmotic diuretic that helps decrease ICP by drawing fluid from brain tissue into the bloodstream, thus relieving pressure within the skull. It is the most appropriate intervention for managing increased ICP.

Correct Answer is C

Explanation

A. A QRS interval of 0.08 second is within the normal range and does not indicate a myocardial infarction.

B. A PR interval of 0.15 second is normal and not indicative of an acute myocardial infarction.

C. ST-segment elevation above the isoelectric line is a key indicator of an acute myocardial infarction (STEMI), signifying myocardial injury.

D. The QT interval being equal to the R to R interval is not a specific indicator of myocardial infarction.

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