The practical nurse (PN) plans to administer a PRN dose of loperamide via a client's gastrostomy tube. The prescribed dose is 3 mg. The label on the medication bottle reads, "1 mg/5 mL." How many mL should the PN administer? (Enter numeric value only.)
The Correct Answer is ["15"]
Prescribed dose = 3 mg
Available concentration = 1 mg per 5 mL
Calculate the volume in milliliters (mL) to administer.
Volume (mL) = (Prescribed dose (mg) / Available concentration (mg)) x Available volume (mL)
= (3 mg / 1 mg) x 5 mL
= 3 x 5 mL
= 15 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Move the client who is knocking on the exit door and trying to get out: While this client’s behavior requires supervision to prevent elopement, there is no immediate physical harm, so it is not the highest priority.
B. Remind a confused client of today's date and the time lunch will be served: Reorientation is important for cognitive support, but it does not involve immediate risk of injury.
C. Talk to a client who is wandering the halls looking in everyone's room: Wandering poses some safety risks, but unless the client is in immediate danger, it is not as urgent as assisting a client on the floor.
D. Assist a client who is lying on the dayroom floor to sit in the chair: A client lying on the floor may have fallen and could have injuries or be at risk for further harm. Immediate attention is needed to assess for injury, prevent complications, and provide safe positioning.
Correct Answer is A
Explanation
A. Hemoglobin 8.9 grams/dL: This value is significantly below the normal range and indicates anemia, likely from perioperative blood loss. Low hemoglobin can compromise oxygen delivery to tissues, increase risk for hypoxia, delay healing, and may require urgent intervention such as transfusion or close monitoring.
B. Sodium 130 mEq/L: Mild hyponatremia requires monitoring and assessment for symptoms like confusion or weakness, but it is generally less immediately life-threatening than significant anemia in a postoperative client.
C. Potassium 3.4 mEq/L: Mild hypokalemia may predispose the client to arrhythmias, but it is not as immediately critical as severe anemia affecting oxygen-carrying capacity. Monitoring and potassium replacement can be implemented.
D. Blood urea nitrogen 20 mg/dL: This value is at the upper limit of normal and does not indicate acute renal compromise. While it warrants monitoring, it does not pose an immediate threat to client safety in the postoperative setting.
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