Nokea
Nurse's role in hemodynamic monitoring.
- A. Data collection
- B. Interpretation
- C. Both A and B
- D. None of the above
Correct Answer: C
Rationale: Nurses collect data and interpret findings to guide interventions.
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In an assessment for intermittent claudication, the cardiac-vascular nurse assesses for leg pain and cramping with exertion, then asks the patient:
- A. Does shortness of breath accompany the leg pain?'
- B. Does this same type of pain occur without activity?'
- C. Is the leg pain relieved by rest?'
- D. Is the leg pain relieved with elevation?'
Correct Answer: C
Rationale: Intermittent claudication pain typically resolves with rest.
The client on furosemide (Lasix) is at risk for which electrolyte imbalance?
- A. Hyperkalemia
- B. Hypokalemia
- C. Hyponatremia
- D. Hypernatremia
Correct Answer: B
Rationale: The correct answer is B, Hypokalemia. Furosemide is a loop diuretic that increases potassium excretion in the urine, leading to low potassium levels in the body. Hypokalemia can result in muscle weakness, cardiac arrhythmias, and other serious complications. Hyperkalemia (choice A) is the opposite condition of high potassium levels and is not typically associated with furosemide use. Hyponatremia (choice C) is a low sodium level, which may be a potential side effect of furosemide but is not the primary electrolyte imbalance to be concerned about. Hypernatremia (choice D) is high sodium levels and is not directly related to furosemide use.
What procedure is used to remove fluid from the pleural space to help a patient breathe more easily?
- A. Thoracentesis
- B. Bronchoscopy
- C. Echocardiogram
- D. CT scan
Correct Answer: A
Rationale: The correct answer is A: Thoracentesis. This procedure involves inserting a needle or catheter into the pleural space to drain excess fluid, relieving pressure and allowing the patient to breathe more easily. Bronchoscopy (B) is used to visualize the airways, not remove fluid. Echocardiogram (C) is an ultrasound of the heart, not used for pleural fluid drainage. CT scan (D) is an imaging test, not a procedure for fluid removal. Thoracentesis is the appropriate choice for this scenario.
Which structure serves as the major chemoreceptor of the heart?
- A. Carotid body
- B. Aortic body
- C. Vagus nerve
- D. SA node
Correct Answer: A
Rationale: The correct answer is A: Carotid body. The carotid body is the major chemoreceptor of the heart, detecting changes in oxygen levels in the blood. It sends signals via the glossopharyngeal nerve to regulate heart rate and blood pressure. The aortic body primarily monitors blood pressure, not chemoreception. The vagus nerve plays a role in regulating heart rate but is not a chemoreceptor. The SA node is the pacemaker of the heart, responsible for initiating the electrical signals for heart contraction, not chemoreception. Therefore, the carotid body is the correct choice for the major chemoreceptor of the heart.
The client is on amiodarone. What is the most important side effect to monitor for?
- A. Pulmonary toxicity
- B. Thyroid dysfunction
- C. Liver toxicity
- D. Renal dysfunction
Correct Answer: A
Rationale: The correct answer is A: Pulmonary toxicity. Amiodarone is known to cause potentially fatal pulmonary toxicity, including interstitial pneumonitis and pulmonary fibrosis. Monitoring for pulmonary symptoms such as cough, dyspnea, and chest pain is crucial. Choice B (Thyroid dysfunction) is a common side effect but is typically less urgent. Choices C (Liver toxicity) and D (Renal dysfunction) are possible side effects of amiodarone, but pulmonary toxicity is the most important to monitor due to its severity and potential fatality.