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 B
Explanation
A. A respiratory rate of 35 breaths/minute can be normal for a 2-year-old, so it is not necessarily indicative of distress by itself.
B. Flaring of the nares is a sign of increased work of breathing and is an indication of respiratory distress, as the child is using accessory muscles to breathe.
C. Diaphragmatic respirations are typical for young children and not indicative of distress unless other signs are present.
D. Bilateral bronchial breath sounds do not necessarily indicate respiratory distress and could be normal depending on the context.
Correct Answer is ["B","D","E"]
Explanation
A. Standard precautions are important, but VRE requires contact precautions due to its highly transmissible nature. A mask is not specifically required unless there are respiratory symptoms.
B. Contact precautions are essential for preventing the spread of VRE and should be instituted for staff and visitors.
C. A low bacteria diet is not necessary for VRE infections; it is more relevant for immunocompromised patients.
D. Monitoring the white blood cell count helps assess the infection's progression and the body's response.
E. Sending wound drainage for culture and sensitivity is crucial for identifying the specific pathogen and determining appropriate antibiotic treatment.
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