Nursing Elites

1. The client on furosemide is at risk for which electrolyte imbalance?

• A. Hypokalemia
• B. Hypernatremia
• C. Hyperkalemia
• D. Hyponatremia

Correct answer: A

Rationale: The correct answer is A: Hypokalemia. Furosemide is a loop diuretic that can lead to potassium loss, resulting in hypokalemia. This electrolyte imbalance is a significant risk associated with the use of diuretics. Choice B, Hypernatremia, is incorrect as furosemide is not known to cause high sodium levels. Choice C, Hyperkalemia, is also incorrect as furosemide tends to cause potassium depletion rather than excess. Choice D, Hyponatremia, is not directly related to furosemide use.

2. Which condition is an infection that inflames the air sacs in one or both lungs, which may fill with fluid?

• A. Pneumonia
• B. Bronchitis
• C. Tuberculosis
• D. Cystic fibrosis

Correct answer: A

Rationale: The correct answer is A, Pneumonia. Pneumonia is an infection that inflames the air sacs in the lungs, which may fill with fluid or pus, causing symptoms like cough, fever, and difficulty breathing. Bronchitis (choice B) is an inflammation of the bronchial tubes, not the air sacs in the lungs. Tuberculosis (choice C) is a bacterial infection that primarily affects the lungs but does not always cause fluid accumulation in the air sacs. Cystic fibrosis (choice D) is a genetic disorder that affects the lungs but does not directly cause inflammation of the air sacs with fluid.

3. What is an acute respiratory infection that inflames the alveoli in one or both lungs, causing them to fill with fluid or pus?

• A. Pneumonia
• B. Bronchitis
• C. Tuberculosis
• D. Asthma

Correct answer: A

Rationale: Pneumonia is the correct answer because it is an acute respiratory infection that inflames the alveoli in one or both lungs, leading to the accumulation of fluid or pus. This condition presents with symptoms like cough, fever, and difficulty breathing. Bronchitis is the inflammation of the bronchial tubes, not the alveoli. Tuberculosis is a bacterial infection that primarily affects the lungs but does not always result in alveolar inflammation. Asthma is a chronic respiratory condition characterized by airway inflammation and narrowing, not alveolar inflammation.

4. This medication type is used to relax and widen blood vessels, improving blood flow and reducing blood pressure.

• A. Vasodilator
• B. Anticoagulant
• C. Diuretic
• D. Beta-blocker

Correct answer: A

Rationale: The correct answer is A: Vasodilator. Vasodilators are medications that work by relaxing and widening blood vessels, which improves blood flow and reduces blood pressure. They are commonly used in the treatment of heart conditions. Anticoagulants (choice B) are medications that prevent blood clot formation, diuretics (choice C) increase urine production to reduce fluid retention, and beta-blockers (choice D) reduce heart rate and workload on the heart. These mechanisms differ from the action of vasodilators.

5. What test evaluates the heart's response to physical stress, often involving exercise on a treadmill while monitoring the heart?

• A. Stress test
• B. Echocardiogram
• C. Holter monitor
• D. CT angiography

Correct answer: A

Rationale: A stress test, also known as an exercise stress test, evaluates the heart's response to physical stress by monitoring its activity during exercise, typically on a treadmill. This test helps assess the heart's performance, detect coronary artery disease, and evaluate the effectiveness of heart treatments. Echocardiogram (choice B) is an ultrasound of the heart that provides detailed images of the heart's structure and function, but it does not involve physical stress like a stress test. Holter monitor (choice C) is a device for continuously monitoring the heart's rhythm and rate over a period (usually 24-48 hours), not during exercise. CT angiography (choice D) is a diagnostic test that uses X-rays to visualize blood vessels but does not involve physical stress like a stress test.

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