A client with multiple sclerosis (MS) is receiving interferon beta-1b 0.1875 mg subcutaneously every other day. The nurse reconstitutes the vial by slowly injecting 2 mL of diluent into the interferon vial for a reconstituted solution of 0.25 mg/1 mL. How many mL should the nurse administer?
(Enter numeric value only. If rounding is required, round to the nearest hundredth.)
The Correct Answer is ["0.75"]
To determine the correct dosage, you'll need to use the concentration of the reconstituted solution to find out how many milliliters contain the prescribed dose of 0.1875 mg.
Since the solution has a concentration of 0.25 mg per 1 mL, you would divide the prescribed dose by the concentration to find the volume to administer: 0.1875 mg / 0.25 mg/mL = 0.75 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D","E"]
Explanation
A. Giving the client 4 ounces of orange juice can quickly raise blood glucose levels if hypoglycemia is suspected.
B. Administering insulin is inappropriate without knowing the current blood glucose level, especially if hypoglycemia is suspected.
C. Diet carbonated soda does not contain sugar and will not help raise blood glucose levels.
D. Checking the client's fingerstick blood glucose is essential to determine if hypoglycemia is causing the symptoms.
E. Obtaining blood pressure and pulse rate is important to assess the client's overall condition and identify any additional complications.
Correct Answer is ["D"]
Explanation
A. A bounding radial pulse does not specifically indicate the patency of an AV fistula; it is a general assessment of peripheral pulse quality.
B. Distended veins in the hand may indicate venous congestion but are not a reliable indicator of fistula patency.
C. A "thrill" is a vibratory sensation felt over the fistula. It is caused by the turbulent blood flow moving from the high-pressure artery into the lower-pressure vein. However, this choice is wrong since a thrill should be palpated and not auscultated.
D. The presence of a bruit (a whooshing sound) over the AV fistula indicates the flow of blood through the fistula, confirming patency.
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