Correct Answer: B

Rationale: The correct answer is B: To monitor the amount of airway obstruction. A peak flow meter is used to measure how well the patient can exhale air from the lungs, indicating the degree of airway obstruction in conditions like asthma. By monitoring peak flow readings, the nurse can assess the severity of the patient's asthma and adjust treatment accordingly. Choices A, C, and D are incorrect: A: To measure the amount of oxygen in the blood - This is the function of a pulse oximeter, not a peak flow meter. C: To measure the frequency of inhaler use - This is not the primary purpose of a peak flow meter, which is specifically used to monitor airway obstruction. D: To track blood glucose levels - This is the function of a glucometer, not a peak flow meter used for asthma management.

Correct Answer: C

Rationale: The correct answer is C: Pulmonary edema. In chronic heart failure, the heart cannot pump blood effectively, leading to fluid buildup in the lungs causing pulmonary edema. Monitoring for signs such as shortness of breath, wheezing, and crackles can help prevent respiratory distress. Incorrect choices: A: Hypoglycemia - Not directly related to chronic heart failure. B: Hyperkalemia - Can occur in heart failure but not a primary complication to monitor for. D: Anemia - Can be a consequence of chronic heart failure but not a primary complication to monitor for.

Correct Answer: C

Rationale: The correct answer is C because stopping medication without doctor's approval can be harmful. Step 1: Explain the importance of adhering to medication schedule in liver disease management. Step 2: Emphasize that feeling better doesn't mean the disease is cured. Step 3: Highlight potential consequences of stopping medication prematurely. Other choices are correct: A: Avoiding alcohol is essential. B: Following medication schedule is important. D: Maintaining a healthy diet supports liver function.

Correct Answer: C

Rationale: The correct answer is C because stopping insulin when blood sugar is normal can lead to hyperglycemia. Choice A shows understanding of managing diabetes. Choice B indicates monitoring blood sugar, crucial for diabetes management. Choice D demonstrates adherence to medication schedule, essential for controlling blood sugar levels. Stopping insulin prematurely can disrupt the balance and result in complications.

Correct Answer: A

Rationale: The correct answer is A: Administer antihypertensive medication. In a hypertensive emergency, the priority is to lower blood pressure quickly to prevent organ damage. Antihypertensive medications like nitroprusside or labetalol are used for this purpose. Placing the client in a comfortable position and administering oxygen (B) may be beneficial, but lowering the blood pressure is the primary action. Monitoring blood pressure and administering antihypertensive medication (C) is correct, but the emphasis should be on immediate intervention. Monitoring the client's ECG (D) is important but not the primary action in a hypertensive emergency.