The prescription states, "Give drug D 0.5 mg/kg of body weight po three times a day" The client's weight is 90 kg. Drug D is available from the pharmacy as 25 mg per 5 mL. How many mL will the client receive per 1 dose? (Use a preceding zero if necessary. Do not use trailing zeros. Round to the nearest tenth if necessary)

Answer and Explanation

The Correct Answer is ["9"]

Step 1: Calculate the prescribed dose in mg
Dose = 0.5 mg/kg × 90 kg = 45 mg per dose

Step 2: Use the concentration to find the volume (mL) needed
Drug D is available as 25 mg per 5 mL
Set up a proportion:
25 mg / 5 mL = 45 mg / x mL

Step 3: Solve for x
x = (45 × 5) ÷ 25 = 225 ÷ 25 = 9

Final Answer:
9 mL per dose

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Correct Answer is D

Explanation

A. Remove the chest tube and cover the incision site with a sterile petrolatum gauze: Removing the chest tube is not appropriate for transporting the patient to the x-ray department. The chest tube is essential for draining air, blood, or fluid from the pleural space and preventing complications like pneumothorax or fluid buildup. Removing it could cause harm and disrupt the treatment.

B. Disconnect the drainage system covering the catheter tip with sterile gauze: Disconnecting the drainage system is not recommended as it could cause the re-accumulation of air or fluid in the pleural space and compromise the patient's condition. The chest tube should remain connected to the drainage system to ensure continued drainage and prevent complications.

C. Send the client to x-ray with the chest tube clamped: Clamping a chest tube is not recommended unless specifically directed by a healthcare provider (such as during certain procedures or trials). Clamping can lead to dangerous complications, such as a tension pneumothorax, by preventing proper drainage of air or fluid. Therefore, the chest tube should not be clamped during transport.

D. Send the client to x-ray with the chest tube attached to the drainage system: This is the correct answer. The chest tube should remain attached to the drainage system during transport to ensure continuous drainage of air or fluid from the pleural space, which is vital for the patient's stability. The drainage system should be securely positioned to avoid kinks or disconnections, and the chest tube should remain open to prevent complications.

A. Fully compensated respiratory alkalosis B. Fully compensated respiratory acidosis C. Partially compensated metabolic acidosis D. Partially compensated metabolic alkalosis

Correct Answer is A

Explanation

A. The pH is normal but leaning toward alkalosis (7.44).

The PaCO₂ is low (30 mmHg), indicating respiratory alkalosis.

The HCO₃⁻ is also low (18 mEq/L), showing metabolic compensation.

Since pH is within normal limits and both respiratory and metabolic components are abnormal, full compensation has occurred.

B. This is incorrect

C. This is incorrect

D. This is incorrect

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Naxlex Comprehensive Predictor Exams

To safely transport a client with chest tube drainage to the x-ray department to assess the degree of lung re-expansion, the nurse would:

Correct Answer is D

Explanation

The nurse is analyzing a client's arterial blood gas (ABG) values with the following results: pH 7.44, PaCO2 30 mmHg. PaO2 90 mmHg, and HCO3 18 mEq/L. Which acid base imbalance should the nurse associate with these results? ABG pH 7.35-7.45 PC02 35-45 mmHg pa02 80-100 mmHg PHCO3 22-26 mEq/L

Correct Answer is A

Explanation

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