A client who weighs 110 lb receives a prescription for dalteparin 150 units/kg SUBQ daily for 4 months. The medication is available in 7,500 units/0.3 mL prefilled syringe. How many mL should the nurse administer? (Enter numerical value only.)
The Correct Answer is ["0.3"]
Calculation:
- Convert the client's weight from pounds (lb) to kilograms (kg).
Weight in kg = 110 lb / 2.2 lb/kg
= 50 kg.
- Calculate the total units of dalteparin the client should receive daily.
Daily units = Desired units/kg × Weight (kg)
= 150 units/kg × 50 kg = 7500 units.
- Determine the volume to administer based on the available prefilled syringe.
The medication is available in a 7,500 units/0.3 mL prefilled syringe.
Since the calculated daily dose (7500 units) exactly matches the units in one prefilled syringe (7500 units), the volume to administer is the volume of that syringe.
Volume to administer:
= 0.3 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Rationale:
A. Vitamin supplements for high-risk pregnant women: Primary prevention aims to prevent disease before it occurs. Providing supplements like folic acid helps reduce the risk of neural tube defects and promotes maternal-fetal health.
B. Lead screening for children in low-income housing: This is secondary prevention, as it involves early detection of a problem to allow for prompt intervention and reduce complications.
C. Regional relocation center for earthquake victims: This is a tertiary prevention or disaster response measure, aimed at managing the aftermath of an event rather than preventing it.
D. Case management and screening for clients with HIV: This is secondary and tertiary prevention focused on managing an existing condition and minimizing progression or complications.
Correct Answer is ["A","B","D"]
Explanation
Rationale for correct Choices:
- Noticeable facial droop: Facial drooping is a hallmark sign of a stroke. Early recognition is critical because prompt intervention, such as thrombolytic therapy, must occur within a narrow time window to prevent long-term neurological damage.
- Garbled speech: Slurred or incomprehensible speech (dysarthria or aphasia) is another acute stroke symptom. It indicates potential involvement of the brain's language centers and requires immediate neuroimaging and evaluation.
- Speech became difficult to understand: A sudden change in speech pattern strongly suggests an evolving neurologic event such as a transient ischemic attack (TIA) or stroke. Timely identification of symptom onset is essential for determining eligibility for time-sensitive stroke treatments like alteplase.
Rationale for Incorrect Choices:
- Few drinks at a local seafood restaurant: While alcohol can cause slurred speech and sea food can result in allergic reaction, the patient reports with symptoms suggestive of a stroke, therefore this is not part of the immediate concerns.
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