The healthcare provider prescribes interferon beta-1b 0.125 mg every other day for a client with multiple sclerosis. The nurse reconstitutes the single-use vial of powder labeled, "0.3 mg with 2 mL of sterile water." How many mL should the nurse administer to the client? (Enter the numerical value only. If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["0.8"]

The vial contains 0.3 mg of medication, which has been reconstituted with 2 mL of sterile water. Therefore, each milliliter of solution contains 0.15 mg of medication.

The prescribed dose is 0.125 mg, so the nurse should administer $ \frac{0.125\ mg}{0.15\ mg/mL} = 0.8333 $ mL of the solution.

After rounding to the nearest tenth, the nurse should administer 0.8 mL of the reconstituted solution to the client every other day.

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Correct Answer is D

Explanation

D. The client's symptoms, including persistent upper abdominal pain radiating to the back, vomiting, elevated temperature, and elevated serum amylase and lipase levels, are indicative of acute pancreatitis. Post-cholecystectomy pancreatitis can occur as a complication of cholecystectomy, particularly if there is injury to the pancreas or if a gallstone becomes lodged in the common bile duct during surgery.

A. While biliary duct obstruction is a potential complication of cholecystectomy, the client's symptoms are more consistent with acute pancreatitis.

B. The client's symptoms and laboratory findings are more indicative of acute pancreatitis rather than hepatorenal failure.

C. The client's symptoms are not consistent with a typical surgical site infection.

A. Secure tracheostomy ties by making knots close to the tube. B. Leave the old ties in place until the new ones are secure. C. Remove ties to secure a disposable, soft foam collar with self-adhesive fastening. D. Place knots of the ties laterally to prevent irritation and pressure.

Correct Answer is B

Explanation

B. This ensures that the tracheostomy tube remains stable and reduces the risk of the tube becoming dislodged during the process.
A. Tying knots close to the tracheostomy tube can increase the risk of pressure ulceration and irritation to the skin around the stoma.
C. A disposable, soft foam collar with self-adhesive fastening may be used for additional support and comfort, but it does not replace the need for securing the tracheostomy ties.
D. Placing knots laterally may not provide adequate support and can increase the risk of accidental displacement of the tracheostomy tube.

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Naxlex Comprehensive Predictor Exams

Correct Answer is D

Explanation

A client who has had a laryngectomy and tracheostomy frequently expectorates copious amounts of purulent secretions. When changing the lies of the tracheostomy tube, which action is most important for the nurse to take?

Correct Answer is B

Explanation

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