Correct Answer: B

Rationale: To administer 4 mg from a solution of 10 mg/mL, the healthcare professional should administer 0.4 mL. The calculation is done by dividing the desired dose (4 mg) by the concentration of the solution (10 mg/mL), which equals 0.4 mL.

Correct Answer: B

Rationale: When treating tuberculosis, using a combination of multiple medications is crucial to reduce the risk of bacterial resistance. The use of four medications helps to target the bacteria from different angles, making it harder for them to develop resistance to the treatment. This approach is essential to ensure the effectiveness of the treatment regimen and to prevent the spread of drug-resistant strains of tuberculosis.

Correct Answer: A

Rationale: Acetaminophen is known to lose its effectiveness in controlling pain beyond a dosage of 1,000 mg. It is important to adhere to recommended dosages to ensure optimal pain relief and avoid potential adverse effects associated with higher doses.

Correct Answer: B

Rationale: The client stating that they have been taking an antacid to help with indigestion while on naproxen requires further discussion as it can indicate gastrointestinal distress or potential interactions between the medications. Antacids may affect the absorption of naproxen or lead to other complications, so it is important for the nurse to address this statement with the client.

Correct Answer: A

Rationale: The correct instruction to include when teaching a client with a new prescription for Sulfasalazine is to expect orange discoloration of urine and skin. Sulfasalazine can cause this harmless side effect, which does not necessitate discontinuation of the medication. It is crucial for the nurse to educate the client about this expected outcome to prevent unnecessary concern or discontinuation of the medication.