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.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is B
Explanation
A. Limit intake of iron-rich foods to prevent iron overload: Incorrect; iron intake should be increased to correct deficiency.
B. Focus on consuming foods high in vitamin C to enhance iron absorption. Vitamin C enhances non-heme iron absorption from plant-based sources. Vitamin C-rich foods (e.g., citrus fruits, tomatoes) aid in the absorption of iron from plant sources like spinach and legumes.
C. Avoid foods high in iron such as leafy greens and legumes: These are actually beneficial for iron-deficiency anemia.
D. Increase intake of iron-rich foods such as red meat and spinach: Correct for addressing iron deficiency.
Correct Answer is A
Explanation
A. "If you become pregnant, low thyroid hormone levels can affect your developing fetus." Hypothyroidism during pregnancy can lead to developmental issues in the fetus. Adequate thyroid hormone levels are crucial for fetal neurodevelopment and growth.
B. "Hypothyroidism can cause autoimmune disorders over time.": Hypothyroidism itself is often caused by autoimmune disorders like Hashimoto's thyroiditis, not the other way around.
C. "Low thyroid hormone levels will cause your metabolism to speed up and heart rate to increase.": This describes hyperthyroidism, not hypothyroidism.
D. "Low blood pressure is usually associated with hypothyroidism.": Hypothyroidism can lead to increased blood pressure, not low blood pressure.
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