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The nurse provides a client with a dose of the beta-selective adrenergic agonist isoproterenol. Which assessment finding indicates the medication is effective?

A.

Constricted pupils

B.

Warm, dry skin

C.

Increased heart rate

D.

Decreased urine output

Answer and Explanation

The Correct Answer is C

A. Constricted pupils are not an expected response to isoproterenol, which generally causes dilation of the pupils due to sympathetic stimulation.  

 

B. Warm, dry skin is not a direct indicator of the effectiveness of isoproterenol; it could result from various factors unrelated to the medication's action.  

 

C. Increased heart rate indicates that isoproterenol, which is a beta-agonist, is effectively stimulating the beta-adrenergic receptors, leading to increased cardiac output and heart rate.  

 

D. Decreased urine output is not a sign of effectiveness and could indicate adverse effects such as reduced renal perfusion.  


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Explanation

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Correct Answer is A

Explanation

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C. A 17-year-old female with an upper respiratory infection typically does not have contraindications for phenylephrine unless there are underlying conditions not mentioned.

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