Ordered: Morphine Sulfate 2 mg every 2-4 hr IV PRN for pain. Available in vial: 1 mg/mL
Safe dose range per drug reference book: 0.05-0.1 mg/kg/dose
Patient weight=36.1 lb
This is a safe dose for this patient.
True
False
The Correct Answer is B
Step 1: Convert weight to kg
36.1 lb ÷ 2.2 = 16.4 kg
Step 2: Determine safe dose range
Safe dose range = 0.05–0.1 mg/kg/dose
- Minimum safe dose:
0.05 mg × 16.4 kg = 0.82 mg - Maximum safe dose:
0.1 mg × 16.4 kg = 1.64 mg
Safe range = 0.82 mg to 1.64 mg per dose
Step 3: Compare ordered dose to safe range
Ordered: 2 mg IV
Ordered dose (2 mg) is higher than the maximum safe dose (1.64 mg).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Allergic conjunctivitis and allergic rhinitis are not caused by bacteria, so antibiotics offer no benefit. Using antibiotics unnecessarily increases the risk of resistance and exposes the child to unnecessary medication side effects. This statement shows the parent has misunderstood the teaching.
B. The child’s symptoms, itchy, watery eyes, sneezing, and clear rhinorrhea, are classic findings of allergic conjunctivitis and allergic rhinitis, not a viral infection. Viral infections usually involve redness, discomfort, and often systemic symptoms such as fever, malaise, or thicker nasal secretions.
C. Allergic symptoms are caused by an immune response to allergens, not bacteria or viruses. Therefore, antibiotics are not required. Treatment focuses on antihistamines, allergen avoidance, and symptomatic relief, making this the statement that best reflects proper understanding.
D. Allergic conjunctivitis is not contagious, so notifying the daycare is not required. This response suggests the parent believes the condition may spread to others, which indicates misunderstanding of the teaching.
Correct Answer is B
Explanation
A. Traction weights are prescribed by the healthcare provider and should not be adjusted by the nurse unless specifically ordered. Changing weights without an order can compromise fracture alignment or cause injury.
B. Proper traction requires constant, uninterrupted force to maintain fracture alignment. Weights must hang freely to provide the correct pull; if they touch the bed or floor, traction effectiveness is lost, potentially delaying healing or causing malalignment. This is a fundamental aspect of safe traction care.
C. Traction weights are continuous unless ordered to be temporarily released for specific procedures. Routine removal disrupts the therapeutic force and can interfere with fracture healing or cause complications.
D. Traction management is a licensed nursing responsibility, especially when it involves weights and maintaining proper alignment. UAPs can assist with positioning or hygiene, but they should not remove weights, and ambulation is generally restricted depending on fracture type and traction method.
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