The healthcare provider prescribes dalteparin 200 units/kg subcutaneously once day for a client who weighs 154 pounds. The medication is available in 25,000 units/mL vial. How many mL should the nurse administer? (Enter numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["0.6"]
Calculation:
- Convert the client's weight from pounds (lb) to kilograms (kg).
The client's weight is 154 lb.
Client weight (kg) = 154 lb/2.2 lb/kg
= 70 kg.
- Calculate the total dose to be administered (units).
The ordered dose is 200 units/kg.
Total dose (units) = 200 units/kg×70 kg
= 14,000 units.
- Calculate the volume to administer in milliliters (mL).
Available concentration is 25,000 units/mL.
Volume (mL) = Total dose (units)/Available concentration (units/mL)
= 14,000 units/25,000 units/mL
= 0.56 mL.
- Round the answer to the nearest tenth.
= 0.6 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Wear closed-toe shoes that are comfortable and fit well: Proper footwear is essential to prevent foot injuries, ulcers, and infections in clients with diabetes, especially because neuropathy can reduce sensation. This response indicates understanding of a key self-care measure.
B. Check blood sugar levels every four to six hours every day: Blood glucose monitoring frequency should be individualized based on treatment regimen, activity, and glycemic control. A blanket schedule every four to six hours may not be appropriate for all clients.
C. Restrict alcoholic beverages to no more than 1 to 2 per week: Alcohol guidelines should be individualized, and alcohol can affect blood glucose unpredictably. Limiting intake is important, but this statement alone does not fully reflect diabetes management understanding.
D. Obtain an A1C blood test every year to monitor glucose control: The recommended frequency for A1C testing is usually every 3 months when starting treatment or if therapy changes, and every 6 months for stable control.
Correct Answer is B
Explanation
A. Plumb line test indicates fetal position curvature: This assessment is used to evaluate spinal alignment and posture, not hip integrity. It does not explain asymmetrical buttocks in a newborn.
B. Ortolani maneuver causing a click at the hip joint: A positive Ortolani sign (a “click” or “clunk”) indicates hip dysplasia or subluxation. This finding is significant and should be reported to the healthcare provider for further evaluation and management.
C. Babinski test that reveals fanning out of toes: The Babinski reflex is normal in newborns and does not indicate musculoskeletal abnormality. It is unrelated to asymmetrical buttocks.
D. Moro test precipitating a startle response: The Moro reflex is a normal newborn response and does not indicate hip instability or asymmetry in the buttocks.
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