A nurse is preparing to administer lactated Ringer's 400 mL IV bolus to infuse over 3 hr. The drop factor of the manual IV tubing is 20 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["44"]

Calculate the flow rate in mL/hour: 400 mL / 3 hours = 133.33 mL/hour (approximately)

Convert the flow rate to mL/minute: 133.33 mL/hour / 60 minutes/hour = 2.22 mL/minute (approximately)

Calculate the drops per minute: 2.22 mL/minute 20 gtt/mL = 44.4 gtt/minute

Round to the nearest whole number: 44 gtt/minute

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Correct Answer is B

Explanation

A. Furosemide (Lasix) is a loop diuretic that typically causes the loss of potassium through the urine, thus putting clients at risk for hypokalemia, not hyperkalemia.
B. Spironolactone (Aldactone) is a potassium-sparing diuretic, meaning it helps the body retain potassium. As a result, it can lead to hyperkalemia, especially in patients with kidney dysfunction or when used with other medications that increase potassium levels.
C. Sodium polystyrene sulfate (Kayexalate) is used to treat hyperkalemia by exchanging sodium for potassium in the intestines, thus lowering potassium levels. It does not contribute to hyperkalemia.
D. Insulin does not directly cause hyperkalemia; in fact, insulin administration can lower potassium levels by driving potassium into cells.

A. This means that the bone broke all the way through, perpendicular to the shaft. B. This means that the bone broke in a spiral pattern. C. This means that the bone bent and only the outer arc of the bend broke. D. This means that the broken bone ends splintered into smaller pieces.

Correct Answer is C

Explanation

A. This describes a transverse fracture, where the bone breaks completely across and perpendicular to the shaft. It does not describe a greenstick fracture.
B. A spiral fracture is caused by a twisting force, which results in a helical break. This is not a greenstick fracture.
C. A greenstick fracture occurs when the bone bends and cracks on the outer arc but does not break completely through. This type of fracture is more common in children because their bones are softer and more flexible.
D. This describes a comminuted fracture, where the bone breaks into several pieces. It does not match the description of a greenstick fracture.

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Naxlex Comprehensive Predictor Exams

The nurse should explain that which of the following medications puts a client at risk for developing hyperkalemia?

Correct Answer is B

Explanation

The nurse is caring for a pediatric client who experienced a "greenstick" fracture. The client's mother asks the nurse what it means to have this type of fracture. Which of the following statements should the nurse make?

Correct Answer is C

Explanation

Which of the following is a potential complication for a client whose potassium level is 6.5 mEq/L?

A nurse is caring for a client who had IV fluids initiated at 0330. The IV fluids are infusing at 120 mL/hr. The nurse should record how many mL of IV fluids on the intake record at 0600?

The nurse in a clinic is reviewing laboratory results for a patient suspected of having undiagnosed diabetes mellitus. Which of the following results would be diagnostic for diabetes?

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A nurse is planning care for a client who has dehydration and is receiving a continuous IV infusion of 0.9% sodium chloride. Which of the following interventions should the nurse include in the plan of care?