A med-surg patient is scheduled to receive docusate (Colace) at 9am. The night nurse advises the patient had two loose stools during her shift. The nurse would anticipate:

Administering half of the scheduled dose of Colace

Administering the scheduled dose of Colace

Inserting a rectal tube to prevent excoriation

Holding the scheduled dose of Colace and notifying the ordering physician

Answer and Explanation

The Correct Answer is D

Choice A reason: Administering half of the scheduled dose of Colace is not the correct action for the nurse who is caring for a patient who had two loose stools during the night shift. Colace is the brand name of docusate, which is a stool softener that works by increasing the amount of water and fat in the stool, making it easier to pass. Colace is used to treat and prevent constipation, which is a condition of infrequent or hard bowel movements. Colace is not indicated for diarrhea, which is a condition of frequent and loose bowel movements. Administering half of the scheduled dose of Colace may not be enough to prevent constipation, and it may also worsen diarrhea by adding more water and fat to the stool.

Choice B reason: Administering the scheduled dose of Colace is not the correct action for the nurse who is caring for a patient who had two loose stools during the night shift. Colace is the brand name of docusate, which is a stool softener that works by increasing the amount of water and fat in the stool, making it easier to pass. Colace is used to treat and prevent constipation, which is a condition of infrequent or hard bowel movements. Colace is not indicated for diarrhea, which is a condition of frequent and loose bowel movements. Administering the scheduled dose of Colace may not be necessary to prevent constipation, and it may also worsen diarrhea by adding more water and fat to the stool.

Choice C reason: Inserting a rectal tube to prevent excoriation is not the correct action for the nurse who is caring for a patient who had two loose stools during the night shift. A rectal tube is a device that is inserted into the rectum and connected to a drainage bag, which collects the stool and prevents leakage and skin irritation. A rectal tube is used for patients who have fecal incontinence, which is the inability to control bowel movements. A rectal tube is not indicated for patients who have diarrhea, which is a condition of frequent and loose bowel movements. Inserting a rectal tube may not be effective to prevent excoriation, and it may also cause complications such as infection, bleeding, or perforation.

Choice D reason: Holding the scheduled dose of Colace and notifying the ordering physician is the correct action for the nurse who is caring for a patient who had two loose stools during the night shift. Colace is the brand name of docusate, which is a stool softener that works by increasing the amount of water and fat in the stool, making it easier to pass. Colace is used to treat and prevent constipation, which is a condition of infrequent or hard bowel movements. Colace is not indicated for diarrhea, which is a condition of frequent and loose bowel movements. Holding the scheduled dose of Colace may be appropriate to avoid further diarrhea, and notifying the ordering physician may be necessary to determine the cause and the treatment of diarrhea

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Correct Answer is A

Explanation

Choice A reason: CT scan with contrast is an order that the nurse should question for the client who is taking metformin for hyperglycemia. Metformin is a medication that lowers the blood glucose level by decreasing the hepatic glucose production and increasing the insulin sensitivity¹. Metformin can cause a rare but serious complication called lactic acidosis, which is a buildup of lactic acid in the blood that can cause symptoms such as weakness, nausea, vomiting, or breathing problems. CT scan with contrast involves injecting iodinated contrast material into the bloodstream, which can affect the kidney function and increase the risk of lactic acidosis in patients taking metformin. The nurse should consult with the prescriber and the pharmacist about the need to stop metformin before and after the CT scan with contrast, and to monitor the kidney function and the blood glucose level of the client.

Choice B reason: Chest X-ray 1 view is not an order that the nurse should question for the client who is taking metformin for hyperglycemia. Chest X-ray is a diagnostic test that uses a small amount of radiation to produce images of the lungs, heart, and chest wall. Chest X-ray does not involve any contrast material or affect the kidney function or the blood glucose level. The nurse should follow the standard precautions and procedures for performing a chest X-ray, such as verifying the client's identity, checking for pregnancy, removing any metal objects, and positioning the client properly.

Choice C reason: V/Q scan is not an order that the nurse should question for the client who is taking metformin for hyperglycemia. V/Q scan is a diagnostic test that measures the ventilation and perfusion of the lungs, and can detect any abnormalities such as pulmonary embolism or chronic obstructive pulmonary disease. V/Q scan involves injecting a radioactive tracer into the bloodstream and inhaling a radioactive gas, which are then detected by a special camera. V/Q scan does not affect the kidney function or the blood glucose level. The nurse should follow the standard precautions and procedures for performing a V/Q scan, such as verifying the client's identity, checking for allergies, explaining the procedure, and monitoring the vital signs.

Choice D reason: Bilateral lower extremity ultrasound is not an order that the nurse should question for the client who is taking metformin for hyperglycemia. Bilateral lower extremity ultrasound is a diagnostic test that uses sound waves to produce images of the blood vessels in the legs, and can detect any abnormalities such as deep vein thrombosis or peripheral arterial disease. Bilateral lower extremity ultrasound does not involve any contrast material or affect the kidney function or the blood glucose level. The nurse should follow the standard precautions and procedures for performing a bilateral lower extremity ultrasound, such as verifying the client's identity, explaining the procedure, and applying a gel and a probe to the legs.

A. Serum sodium level of 140 mEq/L B. Blood pressure of 130/80 mmHg C. Serum potassium level of 5.5 mEq/L D. Serum potassium level of 3.5 mEq/L

Correct Answer is C

Explanation

Choice A reason: Serum sodium level of 140 mEq/L is within the normal range of 135145 mEq/L. It does not indicate any adverse effect of the potassium sparing diuretic, which does not affect sodium excretion significantly. The nurse does not need to notify the health care provider about this finding.
Choice B reason: Blood pressure of 130/80 mmHg is slightly above the normal range of 120/80 mmHg, but it is not a cause for concern. The potassium sparing diuretic can lower the blood pressure by reducing the fluid volume and preventing sodium retention. The nurse should monitor the blood pressure regularly but does not need to notify the health care provider about this finding.
Choice C reason: Serum potassium level of 5.5 mEq/L is above the normal range of 3.55.0 mEq/L. It indicates hyperkalemia, which is a serious and potentially life-threatening complication of the potassium sparing diuretic. The potassium sparing diuretic can increase the potassium level by inhibiting its secretion in the distal tubule of the kidney. The nurse should notify the health care provider immediately and prepare to administer interventions such as calcium gluconate, insulin, or sodium bicarbonate to lower the potassium level and prevent cardiac arrhythmias.
Choice D reason: Serum potassium level of 3.5 mEq/L is at the lower end of the normal range of 3.55.0 mEq/L. It does not indicate any adverse effect of the potassium sparing diuretic, which does not cause potassium loss. The nurse does not need to notify the health care provider about this finding.

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A med-surg patient is scheduled to receive docusate (Colace) at 9am. The night nurse advises the patient had two loose stools during her shift. The nurse would anticipate:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is caring for a client who is taking metformin (Glucophage) for hyperglycemia prior to admission. The nurse would question the following order for this client:

Correct Answer is A

Explanation

The nurse is monitoring a client taking a potassium sparing diuretic. Which of the following findings would prompt the nurse to notify the health care provider?

Correct Answer is C

Explanation

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