Administer heparin 1000 units per hour IV. The pharmacy supplies the heparin infusion as 25.000 units in 500 mL DSW. What will the IV pump be set to? (Include unit of measure with answer).
The Correct Answer is ["20"]
Heparin infusion calculation:
- Heparin dose ordered: 1000 units per hour
- Heparin concentration: 25,000 units in 500 mL
- Conversion: 1 mL = 500 units
Calculations:
- Units per hour = 1000 units
- Units per mL = 25,000 units / 500 mL = 50 units/mL
- mL per hour = 1000 units / 50 units/mL = 20 mL/hr
Answer: The IV pump should be set to 20 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A"]
Explanation
A. Areas of ecchymosis on the torso. Ecchymosis on the torso, especially in non-ambulatory children, can be concerning for abuse. Unexplained bruises in unusual locations or patterns are red flags for physical abuse.
B. Mismatched clothing: Typically not an indicator of abuse but could suggest neglect.
C. Abrasions on knees: Common in active children and not specific to abuse.
D. Abdominal rebound tenderness: Could indicate abdominal pathology but not necessarily abuse.
E. Round burn marks on forearms: Could suggest burns but not specific to abuse without further context.
Correct Answer is A
Explanation
A. "Take this medication before a meal or several hours after a meal." Levothyroxine absorption can be affected by food, so it's generally recommended to take it on an empty stomach to ensure consistent absorption. Food, particularly high-fiber or calcium-rich foods, can interfere with levothyroxine absorption, hence taking it before meals or a few hours after meals helps optimize its effectiveness.
B. "Take this medication during your morning meal.": This may not ensure consistent absorption as food can still interfere with medication absorption.
C. "Take this medication with a full glass of water or fruit juice.": While water is recommended for swallowing pills, it doesn't address timing or food interactions.
D. "Take this medication with high-protein foods.": Protein content in food does not affect levothyroxine absorption directly.
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