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A nurse is providing teaching to a client who has emphysema and a new prescription for theophylline. Which of the following instructions should the nurse provide?

A.

Increase fluids to 1L/per day.

B.

Administer the medication with food.

C.

Consume a high-protein diet.

D.

Avoid caffeine while taking this medication.

Answer and Explanation

The Correct Answer is D

A. Increase fluids to 1L/per day. Clients with emphysema are often encouraged to increase fluid intake beyond 1 liter to help thin secretions, but 1 liter per day is generally insufficient.

 

B. Administer the medication with food. Theophylline should not necessarily be taken with food; it is generally taken on an empty stomach, but it can be taken with food if gastrointestinal upset occurs.

 

C. Consume a high-protein diet. High-protein diets may increase the metabolism of theophylline, potentially decreasing its therapeutic effect. Dietary considerations for theophylline involve avoiding caffeine.

 

D. Avoid caffeine while taking this medication. Theophylline is a methylxanthine, similar to caffeine, and consuming caffeine can increase the risk of side effects like tachycardia, nervousness, and insomnia.


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View Related questions

Correct Answer is C

Explanation

A. Photophobia: Photophobia is not a common side effect of antihistamines. It can be associated with other conditions, but not typically with antihistamine use.

B. Diarrhea: Diarrhea is not a common side effect of antihistamines; they are more likely to cause constipation due to their anticholinergic effects.

C. Dry mouth: Dry mouth is a common anticholinergic effect of antihistamines. It occurs because these medications block acetylcholine, leading to decreased saliva production.

D. Increased blood pressure: Increased blood pressure is not a typical side effect of antihistamines. While some formulations may cause increased heart rate or palpitations, they do not generally lead to hypertension directly.

Correct Answer is ["C","D","E"]

Explanation

A. Stimulate production of androgens: The kidneys do not stimulate androgen production. Androgens are produced primarily by the adrenal glands and gonads.

B. Stimulate production of white blood cells: The kidneys do not stimulate white blood cell production. This is mainly a function of the bone marrow.

C. Excrete various drugs and drug metabolites: The kidneys play a key role in filtering and excreting drugs and drug metabolites, helping to remove them from the body.

D. Produce urine: The primary function of the kidneys is to filter blood and produce urine, which is then excreted to remove waste products and maintain fluid balance.

E. Regulate acid/base balance: The kidneys are essential in maintaining acid-base balance by excreting hydrogen ions and reabsorbing bicarbonate, which helps regulate the pH level in the body.

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