The client has a prescription for dexamethasone 6 mg IV (intravenous) push STAT. Available is a vial of dexamethasone containing 4 mg/ml. The should draw how many milliliters into the syringe for the dos.
The Correct Answer is ["1.5"]
To prepare a dose of 6 mg of dexamethasone when you have a vial that contains 4 mg/ml, you need to calculate the volume required to achieve the total prescribed dose. The formula to use is: (Desired Dose) / (Concentration of Vial) = Volume to Administer. Plugging in the values: 6 mg / 4 mg/ml = 1.5 ml.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.25"]
Explanation
To calculate the volume of lidocaine to administer, you would use the formula: Volume = Dose / Concentration. Here, the dose needed is 50 mg, and the concentration available is 200 mg/mL. Dividing the required dose by the concentration gives: 50 mg / 200 mg/mL = 0.25 mL.
Correct Answer is C
Explanation
A. Stridor is a high-pitched sound typically heard in cases of airway obstruction.
B. Crackles are discontinuous sounds often associated with fluid in the alveoli.
C. Rhonchi are low-pitched, continuous sounds with a snoring quality, usually caused by secretions in the larger airways.
D. Wheezing is a high-pitched, continuous sound associated with narrowed airways.
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