Nokea
A patient who is in the 10th week of outpatient cardiac rehabilitation continues to exhibit symptoms of depression. When developing a discharge plan, the cardiac-vascular nurse includes:
- A. a referral for counseling and possible medication.
- B. a trial of herbal remedies.
- C. alternative therapies, including yoga and massage.
- D. comprehensive information about the patient's cardiac status to help reduce their anxiety.
Correct Answer: A
Rationale: Referral for counseling and medication is appropriate for managing depression in this context.
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Which disease is characterized by the damage to the alveoli in the lungs, leading to breathlessness?
- A. Emphysema
- B. Pulmonary fibrosis
- C. Lung cancer
- D. Lung abscess
Correct Answer: A
Rationale: The correct answer is A: Emphysema. This disease is characterized by the destruction of alveoli, leading to breathlessness. Emphysema is typically caused by smoking, resulting in the breakdown of lung tissue and reduced oxygen exchange. Pulmonary fibrosis (B) involves scarring of lung tissue, not alveolar damage. Lung cancer (C) is characterized by the growth of abnormal cells in the lung, not alveolar destruction. Lung abscess (D) is a localized infection in the lung, not related to alveolar damage causing breathlessness.
Which type of medication is used to reduce the workload on the heart by slowing down the heart rate and lowering blood pressure?
- A. Beta-blocker
- B. ACE inhibitor
- C. Calcium channel blocker
- D. Diuretic
Correct Answer: A
Rationale: The correct answer is A: Beta-blocker. Beta-blockers reduce the workload on the heart by blocking the action of adrenaline on beta receptors, slowing down heart rate and lowering blood pressure. This helps to decrease the heart's oxygen demand and improve its efficiency. ACE inhibitors (B) work by dilating blood vessels, Calcium channel blockers (C) block calcium entry into cells to relax blood vessels, and Diuretics (D) reduce blood volume by increasing urine output, but they do not specifically target reducing the workload on the heart.
The healthcare provider is administering IV nitroglycerin to a patient for chest pain. What is the most critical parameter to monitor?
- A. Heart rate
- B. Blood pressure
- C. Oxygen saturation
- D. Respiratory rate
Correct Answer: B
Rationale: The correct answer is B: Blood pressure. When administering IV nitroglycerin for chest pain, monitoring blood pressure is critical due to its vasodilatory effect, which can cause hypotension. Monitoring blood pressure helps prevent potential adverse effects like hypotension-related symptoms or complications. Heart rate, oxygen saturation, and respiratory rate are also important parameters to monitor, but blood pressure takes precedence in this scenario due to the potential for significant hemodynamic changes.
What procedure involves using a catheter to create a small scar in the heart tissue to block abnormal electrical signals and restore normal heart rhythm?
- A. Catheter ablation
- B. Angioplasty
- C. Stent placement
- D. Valve replacement
Correct Answer: A
Rationale: The correct answer is A: Catheter ablation. This procedure involves using a catheter to create a small scar in the heart tissue to block abnormal electrical signals and restore normal heart rhythm. First, the catheter is guided to the heart through blood vessels. Then, using various techniques such as radiofrequency energy or freezing, the abnormal tissue causing the irregular heartbeat is destroyed to restore the heart's normal rhythm.
Choice B, Angioplasty, involves opening blocked or narrowed blood vessels to improve blood flow, not addressing abnormal heart rhythms. Choice C, Stent placement, involves inserting a mesh tube to keep arteries open, not related to treating abnormal electrical signals in the heart. Choice D, Valve replacement, is a procedure to replace damaged heart valves, not specifically targeting abnormal electrical signals in the heart.
What is a condition where the heart's ability to pump blood is decreased, leading to fluid buildup in the lungs and other parts of the body?
- A. Heart failure
- B. Cardiomyopathy
- C. Pericarditis
- D. Myocarditis
Correct Answer: A
Rationale: The correct answer is A: Heart failure. Heart failure occurs when the heart's ability to pump blood is reduced, causing fluid buildup in the lungs and other body parts due to inadequate circulation. It is a condition characterized by the heart's inability to meet the body's demands. Cardiomyopathy (B) is a disease of the heart muscle, while pericarditis (C) is inflammation of the pericardium, and myocarditis (D) is inflammation of the heart muscle. These conditions can lead to heart failure but are not the direct cause of decreased pumping ability.