The physician orders azithromycin 500 mg in 250 mL of D5W IVPB to be infused over 1.5 hours. Tubing drop factor is 15 gtt/mL Calculate the flow rate in drops per minute.
The Correct Answer is ["42"]
Calculation:
Total volume to be infused = 250 mL.
- Identify the infusion time and convert it to minutes.
Infusion time = 1.5 hours
Infusion time in minutes = 1.5 hours × 60 minutes/hour
= 90 minutes..
Drop factor = 15 gtt/mL.
- Calculate the flow rate in milliliters per minute (mL/minute).
Flow rate (mL/minute) = Total volume (mL) / Infusion time (minutes)
= 250 mL / 90 minutes
= 2.7777 mL/minute.
- Calculate the flow rate in drops per minute (gtt/minute).
Flow rate (gtt/minute) = Flow rate (mL/minute) × Drop factor (gtt/mL)
= 2.7777 mL/minute × 15 gtt/mL
= 41.6666 gtt/minute.
- Round the answer to the nearest whole number.
= 42 gtt/minute.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. A 16-year-old female high school student:While TB can affect people of any age, high school students are generally not considered a high-risk group unless they have known exposure or immunosuppression. Routine exposure in school settings is relatively low.
B. A 54-year-old businessman:This client may be at risk depending on travel history or comorbidities, but business professionals typically have better access to healthcare and housing, reducing their baseline risk compared to other populations.
C. A 54-year-old businessman:Unless other risk factors are specified (e.g., foreign travel, immunocompromise), this demographic does not represent a high-risk group for TB in an outbreak situation.
D. A 43-year-old homeless man with a history of alcoholism:This client falls into a high-risk category for TB due to poor living conditions, potential malnutrition, and compromised immunity related to alcoholism. Homelessness and substance use are well-established risk factors for tuberculosis, especially during outbreaks.
Correct Answer is C
Explanation
A. "It will reduce the frequency of your cough. Antitussives suppress the cough reflex and may reduce how often the patient coughs. However, this answer is vague and does not address the patient's concern and doesn't provide specific guidance on usage.
B. "It should be used in the morning." Antitussives are not recommended for use in the morning unless the cough is disruptive to daytime function. Taking them in the morning could lead to daytime drowsiness, if the medication contains sedating agents like codeine.
C. "It should be taken before sleep." This is the best response because antitussives are often most beneficial at night when coughing can disrupt sleep. Administering them before bed helps reduce nocturnal coughing and supports rest, which is essential for recovery.
D. "It will eliminate your cough at night." While antitussives may greatly reduce coughing, they do not guarantee total elimination of the cough. This statement creates unrealistic expectations and may mislead the patient regarding the effectiveness of the medication.
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