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 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.

A. pH 7.30, PCO, 20 mm Hg, HCO, 22 mEq/L (22 mmol/L), PO, 85 mm Hg. B. pH 7.46, PCO, 55 mm Hg, HCO, 36 mEq/L (36 mmol/L), PO, 95 mm Hg. C. pH 7.49, PCO, 45 mm Hg, HCO, 32 mEq/L (32 mmol), PO, 90 mm Hg. D. pH 7.29, PCO, 35 mm Hg, HCO, 25 mEq/L (25 mmol/L), PO, 99 mm Hg.

Correct Answer is B

Explanation

B. pH 7.46, PCO2 55 mm Hg, HCO3 36 mEq/L, PO2 95 mm Hg

The pH is high (alkalotic).

The HCO3 level is elevated, indicating metabolic alkalosis.

The PCO2 is high (respiratory acidotic picture due to secondary response). This option matches the criteria for metabolic alkalosis.

A. pH 7.30, PCO2 20 mm Hg, HCO3 22 mEq/L, PO2 85 mm Hg

The pH is low (acidic), not alkalotic.

The HCO3 level is within the normal range.

The PCO2 is low, which could indicate respiratory alkalosis. This option does not match the criteria for metabolic alkalosis.

C. pH 7.49, PCO2 45 mm Hg, HCO3 32 mEq/L, PO2 90 mm Hg The pH is high (alkalotic).

The HCO3 level is elevated, indicating metabolic alkalosis. The PCO2 is within the normal range.

This option does not meet the criteria for metabolic alkalosis D pH 7.29, PCO2 35 mm Hg, HCO3 25 mEq/L, PO2 99 mm Hg

The pH is low (acidic), not alkalotic. The HCO3 level is low, not elevated. The PCO2 is within the normal range.

This option does not match the criteria for metabolic alkalosis.

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Naxlex Comprehensive Predictor Exams

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

Correct Answer is B

Explanation

Patient Data Exhibits Which technique should the nurse use when assessing the client for early signs of rheumatoid arthritis?

The nurse is discussing dietary choices with a client who is newly diagnosed with celiac disease. Which menu choice by the client indicates a need for further teaching?

The nurse is caring for a client who has been admitted with a diagnosis of esophageal cancer. The client reports a pain level of 8 on a 0 to 10 pain scale, dysphagia, anorexia, anxiety and a hoarse voice. Which nursing problem is the priority for this client?

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The nurse is admitting a client with possible tuberculosis (TB). The client is placed in a private room with airborne precautions pending diagnostic test results. Which diagnostic test should the nurse review to confirm the diagnosis of TB?

A client with symptoms of influenza that started the previous day asks the clinic nurse about taking oseltamivir to treat the infection. Which response should the nurse provide?

The nurse is performing a routine dressing change for a client with a stage 3 pressure injury that is red with significant granulation. The wound has a gauze dressing covering the area. Which action should the nurse implement?