A nurse is reviewing the chart of a client who is scheduled to have radiological studies of the kidneys performed with the use of IV contrast dye. Which of the following client medications should the nurse withhold prior to the examination?

Pantoprazole

Simvastatin

Valsartan

Metformin

Answer and Explanation

The Correct Answer is D

A) Pantoprazole:
Pantoprazole is a proton pump inhibitor used to reduce stomach acid. It does not typically require withholding before radiological studies with IV contrast dye.

B) Simvastatin:
Simvastatin, a statin medication used to lower cholesterol, does not need to be withheld before radiological studies with IV contrast dye.

C) Valsartan:
Valsartan, an angiotensin II receptor blocker used for hypertension, does not typically need to be withheld before radiological studies with IV contrast dye.

D) Metformin:
Metformin, an oral antidiabetic medication, should be withheld before radiological studies with IV contrast dye. There is a risk of lactic acidosis when metformin interacts with IV contrast dye, particularly in clients with impaired renal function.

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Correct Answer is ["7.5"]

Explanation

We can calculate the volume of potassium chloride solution to administer using the following steps:

Identify the prescribed dose: The nurse needs to administer 20 mEq of potassium chloride.

Identify the concentration of available solution: The potassium chloride liquid is available in a concentration of 40 mEq/15 mL. This means there are 40 milliequivalents (mEq) of potassium chloride in every 15 milliliters (mL) of the solution.

Set up a proportion to find the volume needed:

Desired dose (mEq) : Volume to administer (mL) = Concentration (mEq/mL)

Plug in the values:

20 mEq : Volume to administer (mL) = 40 mEq/15 mL

Solve for the volume:

To isolate the volume (mL), multiply both sides of the proportion by the volume unit (mL) and divide by the dose (mEq).

Volume to administer (mL) = (20 mEq) x (mL) / (40 mEq/15 mL)

We can simplify the calculation before dividing:

Volume to administer (mL) = (20 mEq x 15 mL) / 40 mEq

Volume to administer (mL) = 300 mL / 40 mEq

Volume to administer (mL) = 7.5 mL (round to one decimal place)

Therefore, the nurse should administer 7.5 mL of the potassium chloride solution.

A. "I will take the first tablet when the pain becomes severe." B. "I will take no more than four tablets in 10 min." C. "I will chew the tablet before swallowing." D. "I will dial 911 if one tablet does not relieve my pain."

Correct Answer is D

Explanation

A) "I will take the first tablet when the pain becomes severe.": This statement is incorrect because nitroglycerin should be taken at the onset of chest pain, not when it becomes severe. Early administration can help prevent the pain from worsening and reduce the risk of a heart attack. Waiting until the pain is severe may delay relief and increase the risk of serious complications.

B) "I will take no more than four tablets in 10 min.": This is incorrect as the standard protocol for nitroglycerin sublingual tablets typically involves taking one tablet every 5 minutes, up to three doses in 15 minutes, if needed. Taking four tablets in 10 minutes exceeds the recommended dosage and could lead to severe hypotension, dizziness, and fainting. It’s crucial to follow the prescribed limits to avoid these adverse effects.

C) "I will chew the tablet before swallowing.": This is incorrect because nitroglycerin sublingual tablets are designed to dissolve under the tongue for rapid absorption into the bloodstream. Chewing or swallowing the tablet would decrease its effectiveness and delay pain relief. The sublingual route allows the medication to bypass the digestive system and work quickly to relieve chest pain.

D) "I will dial 911 if one tablet does not relieve my pain.": This is the correct response. If chest pain is not relieved within 5 minutes after taking the first nitroglycerin tablet, it may indicate a more serious condition such as a heart attack. The client should call 911 to seek immediate medical assistance. Prompt action is critical in managing potential cardiac events and improving outcomes for the client.

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A nurse is reviewing the chart of a client who is scheduled to have radiological studies of the kidneys performed with the use of IV contrast dye. Which of the following client medications should the nurse withhold prior to the examination?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer potassium chloride 20 mEq. The amount available is potassium chloride liquid 40 mEq/15 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["7.5"]

Explanation

A nurse is reinforcing teaching with a client who has angina pectoris about starting therapy with nitroglycerin sublingual tablets. Which of the following statements by the client indicates an understanding of the teaching?

Correct Answer is D

Explanation

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