The nurse is monitoring a client taking Lasix (furosemide). Which of the following findings would prompt the nurse to notify the health care provider?

Serum potassium level of 5.5 mEq/L

Blood pressure of 130/80 mmHg

Serum potassium level of 3.0 mEq/L

Serum sodium level of 140 mEq/L

Answer and Explanation

The Correct Answer is C

Choice A reason: Serum potassium level of 5.5 mEq/L is above the normal range of 3.55.0 mEq/L, but it is not a concern for the client taking Lasix, which is a medication that increases the urine output and lowers the blood pressure by inhibiting the reabsorption of sodium and water in the kidney. Lasix can also cause the loss of potassium in the urine, which can lead to hypokalemia, a condition that causes muscle weakness, cramps, arrhythmias, or cardiac arrest. The nurse should monitor the serum potassium level and administer potassium supplements or potassium sparing diuretics as prescribed to prevent hypokalemia.

Choice B reason: Blood pressure of 130/80 mmHg is slightly above the normal range of 120/80 mmHg, but it is not a concern for the client taking Lasix, which is a medication that increases the urine output and lowers the blood pressure by inhibiting the reabsorption of sodium and water in the kidney. Lasix can reduce the fluid volume and the peripheral resistance, which can lower the blood pressure and prevent or treat hypertension, edema, or heart failure. The nurse should monitor the blood pressure regularly and adjust the dose of Lasix as prescribed to maintain a normal blood pressure.

Choice C reason: Serum potassium level of 3.0 mEq/L is below the normal range of 3.55.0 mEq/L, and it is a concern for the client taking Lasix, which is a medication that increases the urine output and lowers the blood pressure by inhibiting the reabsorption of sodium and water in the kidney. Lasix can also cause the loss of potassium in the urine, which can lead to hypokalemia, a condition that causes muscle weakness, cramps, arrhythmias, or cardiac arrest. The nurse should notify the health care provider immediately and prepare to administer interventions such as potassium supplements or potassium sparing diuretics to correct hypokalemia.

Choice D reason: Serum sodium level of 140 mEq/L is within the normal range of 135145 mEq/L, and it is not a concern for the client taking Lasix, which is a medication that increases the urine output and lowers the blood pressure by inhibiting the reabsorption of sodium and water in the kidney. Lasix can cause the loss of sodium in the urine, which can lead to hyponatremia, a condition that causes confusion, seizures, coma, or death. The nurse should monitor the serum sodium level and administer sodium supplements or fluids as prescribed to prevent hyponatremia.

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Correct Answer is A

Explanation

Choice A reason: Relief of heartburn is the correct outcome that indicates that famotidine is therapeutic. Famotidine is a medication that belongs to the class of H2 receptor antagonists, which work by blocking the action of histamine on the H2 receptors of the stomach cells, thereby reducing the production of gastric acid. Famotidine is used to treat and prevent conditions such as gastroesophageal reflux disease (GERD), peptic ulcer disease, and Zollinger Ellison syndrome, which are characterized by excessive acid secretion and irritation of the esophagus and stomach. Famotidine can relieve the symptoms of heartburn, which is a burning sensation in the chest or throat caused by the reflux of stomach acid into the esophagus.

Choice B reason: Cessation of diarrhea is not an outcome that indicates that famotidine is therapeutic. Famotidine is a medication that belongs to the class of H2 receptor antagonists, which work by blocking the action of histamine on the H2 receptors of the stomach cells, thereby reducing the production of gastric acid. Famotidine does not affect the motility or secretion of the intestines, and it is not used to treat diarrhea, which is a condition of frequent and loose bowel movements. Diarrhea can have various causes, such as infections, medications, food intolerance, or inflammatory bowel disease, and it requires different treatments depending on the underlying cause. Famotidine is not effective for treating diarrhea, and it may even worsen it by reducing the acidity of the stomach and increasing the risk of bacterial overgrowth.

Choice C reason: Passage of flatus is not an outcome that indicates that famotidine is therapeutic. Famotidine is a medication that belongs to the class of H2 receptor antagonists, which work by blocking the action of histamine on the H2 receptors of the stomach cells, thereby reducing the production of gastric acid. Famotidine does not affect the digestion or fermentation of food in the gastrointestinal tract, and it is not used to treat flatulence, which is the accumulation and expulsion of gas from the stomach or intestines. Flatulence can have various causes, such as swallowing air, eating certain foods, or having a bacterial imbalance in the gut, and it requires different treatments depending on the underlying cause. Famotidine is not effective for treating flatulence, and it may even increase it by reducing the acidity of the stomach and altering the gut flora.

Choice D reason: Absence of constipation is not an outcome that indicates that famotidine is therapeutic. Famotidine is a medication that belongs to the class of H2 receptor antagonists, which work by blocking the action of histamine on the H2 receptors of the stomach cells, thereby reducing the production of gastric acid. Famotidine does not affect the motility or secretion of the intestines, and it is not used to treat constipation, which is a condition of infrequent or difficult bowel movements. Constipation can have various causes, such as dehydration, lack of fiber, medications, or bowel obstruction, and it requires different treatments depending on the underlying cause. Famotidine is not effective for treating constipation, and it may even cause it by reducing the acidity of the stomach and slowing down the digestion.

A. Bradycardia B. Sedation C. Constipation D. Hypertension

Correct Answer is B

Explanation

Choice A reason: Bradycardia is not an adverse effect of diphenhydramine. Diphenhydramine is a medication that blocks the action of histamine, a chemical that causes allergic reactions and inflammation. Diphenhydramine can also block the action of acetylcholine, a neurotransmitter that stimulates the parasympathetic nervous system. Diphenhydramine does not affect the heart rate or blood pressure significantly, and it is not associated with bradycardia, which is a slow heart rate that can cause dizziness, fatigue, or fainting. The nurse should monitor the vital signs of the client after administering diphenhydramine, but bradycardia is not a common or expected outcome.

Choice B reason: Sedation is an adverse effect of diphenhydramine. Diphenhydramine is a medication that blocks the action of histamine, a chemical that causes allergic reactions and inflammation. Diphenhydramine can also block the action of acetylcholine, a neurotransmitter that stimulates the parasympathetic nervous system. Diphenhydramine can cross the bloodbrain barrier and block the histamine receptors in the brain, which are involved in regulating the sleepwake cycle and alertness. Diphenhydramine can cause sedation, sleepiness, drowsiness, dizziness, and impaired coordination, which can affect the performance and safety of the client. The nurse should instruct the client to avoid driving, operating machinery, or performing other tasks that require mental alertness after taking diphenhydramine, and to take the medication at bedtime or as needed for sleep.

Choice C reason: Constipation is not an adverse effect of diphenhydramine. Diphenhydramine is a medication that blocks the action of histamine, a chemical that causes allergic reactions and inflammation. Diphenhydramine can also block the action of acetylcholine, a neurotransmitter that stimulates the parasympathetic nervous system. Diphenhydramine does not affect the gastrointestinal motility or secretion significantly, and it is not associated with constipation, which is a condition of infrequent or difficult bowel movements. The nurse should encourage the client to eat a balanced and highfiber diet, drink plenty of fluids, and exercise regularly to prevent or treat constipation, but diphenhydramine is not a contributing factor.

Choice D reason: Hypertension is not an adverse effect of diphenhydramine. Diphenhydramine is a medication that blocks the action of histamine, a chemical that causes allergic reactions and inflammation. Diphenhydramine can also block the action of acetylcholine, a neurotransmitter that stimulates the parasympathetic nervous system. Diphenhydramine does not affect the blood pressure or the vascular tone significantly, and it is not associated with hypertension, which is a condition of high blood pressure that can cause headaches, chest pain, or stroke. The nurse should monitor the blood pressure of the client after administering diphenhydramine, but hypertension is not a common or expected outcome.

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The nurse is monitoring a client taking Lasix (furosemide). Which of the following findings would prompt the nurse to notify the health care provider?

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Naxlex Comprehensive Predictor Exams

A nurse is taking a health history of a client who reports occasionally taking several over-the-counter medications, including an H2 receptor antagonist (famotidine). Which of the following outcomes indicates that famotidine is therapeutic?

Correct Answer is A

Explanation

A nurse is teaching a client about taking diphenhydramine. The nurse should explain to the client that which of the following is an adverse effect of this medication?

Correct Answer is B

Explanation

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The nurse is monitoring a client taking Lasix (furosemide). Which of the following findings would prompt the nurse to notify the health care provider?