Nokea
This is the inflammation of the heart's inner lining, usually caused by an infection.
- A. Endocarditis
- B. Myocarditis
- C. Pericarditis
- D. Valvulitis
Correct Answer: A
Rationale: The correct answer is A: Endocarditis. Endocarditis is the inflammation of the heart's inner lining, often due to an infection. "Endo-" refers to the inner lining of the heart (endocardium) and "-itis" denotes inflammation. Myocarditis (B) is inflammation of the heart muscle, pericarditis (C) is inflammation of the outer lining of the heart, and valvulitis (D) is inflammation of the heart valves. Endocarditis specifically targets the inner lining, making it the correct choice.
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What is a condition where the blood supply to the brain is interrupted or reduced, preventing brain tissue from getting oxygen and nutrients?
- A. Stroke
- B. Transient ischemic attack (TIA)
- C. Myocardial infarction
- D. Angina
Correct Answer: A
Rationale: The correct answer is A: Stroke. A stroke occurs when the blood supply to the brain is interrupted or reduced, leading to a lack of oxygen and nutrients to brain tissue. This can result in brain cell damage or death. A transient ischemic attack (TIA) is a temporary interruption of blood flow to the brain with similar symptoms but resolves quickly without causing permanent damage. Myocardial infarction is a heart attack caused by blockage of blood flow to the heart muscle, not the brain. Angina is chest pain due to reduced blood flow to the heart, not the brain. Thus, only a stroke directly involves the interruption of blood supply to the brain, making it the correct answer.
A patient with chronic heart failure is treated with hydrochlorothiazide, digoxin, and lisinopril. To prevent the risk of digitalis toxicity with these drugs, it is most important that the nurse monitor the patient's
- A. HR
- B. BP
- C. Potassium levels
- D. GI function
Correct Answer: C
Rationale: Hypokalemia is one of the most common causes of digitalis toxicity. When a patient is receiving potassium losing diuretics, such as hydrochlorothiazide and furosemide, it is essential to monitor the potassium level.
Which of the following is a rare genetic disorder that affects the lungs, liver, and skin, causing the buildup of a specific protein that damages organs?
- A. Alpha-1 antitrypsin deficiency
- B. Cystic fibrosis
- C. Wegener's granulomatosis
- D. Marfan syndrome
Correct Answer: A
Rationale: Alpha-1 antitrypsin deficiency is the correct answer. This disorder affects the lungs, liver, and skin due to the buildup of a specific protein (alpha-1 antitrypsin) that damages organs. This deficiency can lead to lung and liver diseases. Cystic fibrosis primarily affects the lungs and digestive system, not the liver and skin. Wegener's granulomatosis is a condition that affects the blood vessels, lungs, and kidneys, not the liver. Marfan syndrome is a connective tissue disorder that affects the heart, blood vessels, bones, and eyes, not the lungs, liver, and skin.
The healthcare provider is monitoring a client on an ACE inhibitor. What lab value is most important to monitor?
- A. Potassium
- B. Sodium
- C. Creatinine
- D. Calcium
Correct Answer: A
Rationale: The correct answer is A: Potassium. ACE inhibitors can cause hyperkalemia, so monitoring potassium levels is crucial to prevent potential life-threatening complications. High potassium levels can lead to cardiac arrhythmias. Sodium levels are not typically affected by ACE inhibitors. Creatinine is important to monitor for kidney function but not specific to ACE inhibitors. Calcium levels are not directly affected by ACE inhibitors.
While completing a nursing admission history, you obtain this information about the patient's cardiovascular risk factors: patient's mother and two siblings have had myocardial infarctions. Patient smokes and has a 20 pack/year history of cigarette use. Her work as a mail carrier involves a lot of walking. She takes metoprolol (Lopressor) for hypertension and her blood pressure has been in the range of 130/60 to 140/85. Which interventions will be most important to include in the discharge plan? (Choose all that apply.)
- A. Refer to community programs that assist in smoking cessation.
- B. Teach about the impact of family history on cardiovascular risk.
- C. Educate about the need for a change in antihypertensive therapy.
- D. Assist in reducing the stress associated with her cardiovascular risk.
Correct Answer: A
Rationale: Smoking cessation is crucial given her history and risk factors.