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A nurse is caring for a client experiencing kidney failure. The nurse recognizes that kidney failure causes the loss of which of the following processes integral to maintaining homeostasis?

A.

Distribution of protein

B.

Filtration of the blood

C.

Metabolism of medications

D.

Ability to hold urine

Answer and Explanation

The Correct Answer is B

A. Distribution of protein: While protein distribution may be affected in kidney disease, it is not a primary function of the kidneys.

 

B. Filtration of the blood: The kidneys are responsible for filtering waste products and excess substances from the blood. In kidney failure, this filtration process is impaired, leading to the accumulation of toxins in the body.

 

C. Metabolism of medications: Although the kidneys do play a role in drug excretion, drug metabolism primarily occurs in the liver. Kidney failure may affect the excretion phase.

 

D. Ability to hold urine: While kidney failure can affect urinary function, the ability to hold urine is primarily a bladder function, not directly a function of the kidneys.


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Correct Answer is D

Explanation

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.

Correct Answer is C

Explanation

A. Vitamin K: Vitamin K is used for anticoagulant reversal, not for acetaminophen toxicity.

B. Flumazenil: Flumazenil is a benzodiazepine antagonist and is not indicated for acetaminophen overdose.

C. Acetylcysteine: Acetylcysteine is the antidote for acetaminophen toxicity, helping to replenish glutathione stores and prevent liver damage.

D. Atropine: Atropine is used for bradycardia or certain poisoning but is not relevant for acetaminophen toxicity.

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