Which equipment should the nurse use to accurately measure a 2 mL dose of a viscous liquid solution to be administered PO?
3 mL syringe and a sterile needle.
One ounce (30 mL) medicine cup.
3 mL syringe.
Tuberculin syringe.
The Correct Answer is C
A. 3 mL syringe and a sterile needle: While a 3 mL syringe provides accurate measurement, attaching a sterile needle is unnecessary for oral administration. Using a needle for a PO medication could also create a safety risk and is not appropriate practice.
B. One ounce (30 mL) medicine cup: Medicine cups are suitable for larger volumes but are not precise for measuring small doses such as 2 mL. Even minor measurement errors with small volumes can significantly affect dosing accuracy, especially for potent or viscous medications.
C. 3 mL syringe: A 3 mL syringe provides accurate measurement for a 2 mL dose and is appropriate for oral administration of viscous solutions when used without a needle. The markings on the syringe allow for precise dosing, which is essential for medication safety.
D. Tuberculin syringe: A tuberculin syringe is designed for volumes of 1 mL or less and is not the best choice for a 2 mL dose. Using it for this volume could require multiple draws, increasing the risk of dosing errors and contamination.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Low urine specific gravity: In untreated or poorly controlled diabetes insipidus, urine specific gravity remains low due to inability to concentrate urine. A persistently low urine specific gravity is not an acute adverse reaction that requires immediate reporting.
B. Polyuria: Excessive urine output is a primary symptom of DI before treatment. Continued high urine output may suggest inadequate dosing or nonresponse but is not considered an urgent side effect needing immediate provider notification.
C. Polydipsia: Extreme thirst is common in DI and typically improves once vasopressin takes effect. If polydipsia persists, it may point to suboptimal therapeutic response rather than an emergent adverse reaction. It warrants follow-up but is not a critical side effect.
D. Worsening headache: Severe or worsening headache while on vasopressin may indicate water intoxication and possible hyponatremia from excessive antidiuretic effect. This can lead to cerebral edema, which is potentially life-threatening. Prompt notification to the healthcare provider is necessary to prevent neurological complications.
Correct Answer is ["100"]
Explanation
Calculation:
Total volume = 150 mL.
- Total infusion time and convert to hours.
Infusion time = 90 minutes
= 90 minutes / 60 minutes/hour
= 1.5 hours.
- Calculate the infusion rate in milliliters per hour (mL/hr).
Infusion rate (mL/hr) = Total volume (mL) / Infusion time (hr)
= 150 mL / 1.5 hr
= 100 mL/hr.
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