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A nurse is preparing to administer cimetidine 300 mg IV over 15 min to a client. Available is cimetidine 300 mg/100 mL of 0.9% sodium chloride. The nurse should set the IV pump to deliver how many mL/hr?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Done use a trailing zero.)

Answer and Explanation

The Correct Answer is ["400"]

Step 1: Determine the Total Volume Needed

Supplied concentration: 300 mg/100 mL
Prescribed dose: 300 mg
Total volume needed = 100 mL

Step 2: Convert Time to Hours

Prescribed infusion time = 15 minutes
15 minutes ÷ 60 minutes/hour = 0.25 hours

Step 3: Calculate the Infusion Rate (mL/hr)

Infusion rate = Total volume (mL) ÷ Time (hours)
Infusion rate = 100 mL ÷ 0.25 hours
Infusion rate = 400 mL/hr

The nurse should set the IV pump to deliver cimetidine at 400 mL/hr (rounded to the nearest whole number).

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Correct Answer is ["A","C"]

Explanation

A. Absence of deep-tendon reflexes:
Absence of deep-tendon reflexes is a sign of magnesium toxicity. Magnesium sulfate, when infused in high doses, can lead to neuromuscular blockade and affect reflexes. Discontinuing the infusion and administering calcium gluconate can counteract the effects of magnesium.

B. Urine output 80 mL in 4 hours:
Urine output is not a direct indicator of magnesium toxicity. Monitoring urine output is important for assessing renal function, but it is not a specific sign of magnesium toxicity.

C. Decreased level of consciousness:
Decreased level of consciousness is another sign of magnesium toxicity. Central nervous system depression is a potential adverse effect of elevated magnesium levels. Administering calcium gluconate can help antagonize the effects of magnesium.

D. Report of chills:
Chills are not typically associated with magnesium toxicity. This symptom may indicate other issues, such as infection or discomfort.
E. Systolic blood pressure 130 mm/Hg:
Systolic blood pressure within a normal range is not a sign of magnesium toxicity. Blood pressure changes are not typically the primary indicators of magnesium toxicity.

A. "I should take this medication with 8 ounces of milk." B. I should take an antacid with this medication to prevent stomach upset." C. "I should notify my provider if my stools turn black" D. I should stay upright for at least 15 minutes after taking this medication

Correct Answer is C

Explanation

A. "I should take this medication with 8 ounces of milk." This statement is incorrect. Calcium-containing substances, such as milk, can interfere with the absorption of iron. It's generally recommended to take iron supplements on an empty stomach or with vitamin C-containing foods to enhance absorption.
B. "I should take an antacid with this medication to prevent stomach upset." This statement is also incorrect. Antacids can reduce the absorption of iron. It's advisable to take iron supplements separately from antacids to optimize absorption.
C. "I should notify my provider if my stools turn black." (Correct Answer) This statement is correct. Iron supplements can cause stools to appear black or dark green. This is a common and harmless side effect related to the change in the color of iron in the gastrointestinal tract. However, it's important for the client to notify the healthcare provider to rule out any potential bleeding issues.
D. "I should stay upright for at least 15 minutes after taking this medication." This statement is not specific to ferrous gluconate. However, it may be relevant for medications that can cause esophageal irritation or reflux. In the case of ferrous gluconate, the primary concern is optimizing absorption by taking it on an empty stomach or with vitamin C-containing foods.

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is receiving a continuous IV infusion of magnesium sulfate for preterm labor. The nurse should discontinue the infusion and prepare to administer calcium gluconate if the client demonstrates which of the following findings? (Select all that apply.

Correct Answer is ["A","C"]

Explanation

A nurse is teaching a client who has a prescription for ferrous gluconate. Which of the following statements by the client indicates an understanding of the teaching?

Correct Answer is C

Explanation

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