TPN 2,000 mL is ordered to infuse from 1900 to 0700.

Using an IV controller, how many milliliters per hour should be infused?

Answer and Explanation

The Correct Answer is ["167"]

Step 1 is to calculate the total infusion time in hours: 0700 - 1900 = 12 hours.

Step 2 is to calculate the infusion rate in mL/hour: 2000 mL ÷ 12 hours = 166.666. mL/hour.

Step 3 is to round the infusion rate to the nearest whole number as is common practice for IV pumps: 167 mL/hour. The final calculated infusion rate is 167 mL/hour.

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Correct Answer is ["4.4"]

Explanation

Step 1 is to convert the child's weight from pounds to kilograms: 72.6 lb ÷ 2.2 lb/kg = 33 kg.

Step 2 is to calculate the low-range total daily dosage in milligrams: 20 mg/kg × 33 kg = 660 mg/day.

Step 3 is to calculate the dosage per dose: 660 mg ÷ 3 doses = 220 mg per dose.

Step 4 is to calculate the volume per dose in mL: 220 mg ÷ 50 mg/mL = 4.4 mL. The final calculated dosage for this child is 4.4 mL.

A. "No, women should only have one beer a day as a general rule.”. B. "No, you should not drink any alcohol with hypertension.”. C. "Yes, since you are larger, you can have more alcohol.”. D. "Yes, two beers per day is an acceptable amount of alcohol.”. ---

Correct Answer is A

Explanation

Choice A rationale

The recommendation for alcohol consumption is based on sex-specific metabolism and risk profiles. The liver metabolizes alcohol via alcohol dehydrogenase. Women generally have lower levels of this enzyme, leading to a higher blood alcohol concentration from the same amount of alcohol compared to men. This increased exposure elevates the risk of alcohol-related health issues, including a heightened risk for hypertension, hence the recommendation of one drink per day.

Choice B rationale

While abstaining from alcohol is often the safest choice for individuals with hypertension, a complete prohibition is not universally mandated for all clients. Current guidelines acknowledge that moderate consumption, defined as one drink per day for women, may not significantly worsen hypertension in some individuals. However, exceeding this amount can cause a dose-dependent increase in blood pressure.

Choice C rationale

This statement is scientifically inaccurate and potentially dangerous. The client's size is not the sole determinant of alcohol tolerance. Female physiology, including lower body water content and different metabolic enzyme levels, contributes to a higher blood alcohol concentration. Therefore, a larger body size does not automatically confer a greater capacity to metabolize alcohol or negate its hypertensive effects.

Choice D rationale

This statement is incorrect and contradicts established health guidelines. The recommended limit for female alcohol consumption is one drink per day, which equates to one 12-ounce beer. Consuming two beers per night exceeds this recommended limit, increasing the risk of developing or worsening hypertension and other cardiovascular complications due to the direct vasoconstrictive effects of alcohol.

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TPN 2,000 mL is ordered to infuse from 1900 to 0700. Using an IV controller, how many milliliters per hour should be infused?

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Naxlex Comprehensive Predictor Exams

The recommended dosage of amoxicillin is 20 to 40 mg/kg/day divided in equal doses q h. The medication is supplied as a 50 mg/mL oral suspension. The child weighs 72.6 lb. How many milliliters will be administered for a single dose if the child is receiving the 20 mg/kg/day dosage?

Correct Answer is ["4.4"]

Explanation

A nurse is teaching a female client about alcohol intake and how it affects hypertension. The client asks if drinking two beers a night is an acceptable intake.What answer by the nurse is best?

Correct Answer is A

Explanation

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TPN 2,000 mL is ordered to infuse from 1900 to 0700.

Using an IV controller, how many milliliters per hour should be infused?