Nokea
What is most organ damage in hypertension related to?
- A. Increased fluid pressure exerted against organ tissue
- B. Atherosclerotic changes in vessels that supply the organs
- C. Erosion and thinning of blood vessels from constant pressure
- D. Increased hydrostatic pressure causing leakage of plasma into organ interstitial spaces
Correct Answer: B
Rationale: Atherosclerosis impairs organ perfusion.
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What condition is characterized by a water hammer pulse?
- A. Aortic regurgitation
- B. Mitral valve stenosis
- C. Mitral regurgitation
- D. Aortic stenosis
Correct Answer: A
Rationale: A water-hammer pulse is characteristic of aortic regurgitation due to the sudden increase in arterial pressure followed by rapid decline.
What is a condition where the heart muscle is weakened and unable to pump blood effectively, often leading to heart failure?
- A. Cardiomyopathy
- B. Myocarditis
- C. Endocarditis
- D. Pericarditis
Correct Answer: A
Rationale: The correct answer is A: Cardiomyopathy. Cardiomyopathy refers to a condition where the heart muscle is weakened and unable to pump blood effectively, leading to heart failure. This is because the heart muscle becomes enlarged, thickened, or stiff, affecting its ability to pump blood efficiently.
Incorrect choices:
B: Myocarditis - Myocarditis is inflammation of the heart muscle, not necessarily associated with weakening of the heart muscle leading to heart failure.
C: Endocarditis - Endocarditis is inflammation of the inner lining of the heart chambers and valves, not directly related to the weakening of the heart muscle.
D: Pericarditis - Pericarditis is inflammation of the pericardium (the outer lining of the heart), and does not directly involve the weakening of the heart muscle.
Which serum lipid elevation, along with elevated LDL, is strongly associated with CAD?
- A. Apolipoproteins
- B. Fasting triglycerides
- C. Total serum cholesterol
- D. High-density lipoprotein (HDL)
Correct Answer: B
Rationale: Elevated triglycerides increase CAD risk.
The nurse is teaching a client about side effects of ACE inhibitors. What is the most important side effect to monitor?
- A. Cough
- B. Hyperkalemia
- C. Hypotension
- D. Dizziness
Correct Answer: A
Rationale: The correct answer is A: Cough. ACE inhibitors can cause a persistent, dry cough due to bradykinin accumulation. It is important to monitor for this as it can indicate potential angioedema, a serious adverse effect. Hyperkalemia (B) is a potential side effect but may not be as immediate or common as cough. Hypotension (C) is a common side effect but not as crucial to monitor as cough. Dizziness (D) is a common side effect but not as significant as cough in terms of potential complications.
Which of the following is a genetic disorder that causes thick, sticky mucus to build up in the lungs and digestive system, leading to severe respiratory and digestive problems?
- A. Cystic fibrosis
- B. Pulmonary fibrosis
- C. Pulmonary edema
- D. Bronchiectasis
Correct Answer: A
Rationale: The correct answer is A: Cystic fibrosis. This genetic disorder is characterized by the buildup of thick, sticky mucus in the lungs and digestive system. Step 1: Cystic fibrosis specifically mentions the thick, sticky mucus, which is a key characteristic of the disorder. Step 2: Pulmonary fibrosis is a different condition where lung tissue becomes scarred and stiff. Step 3: Pulmonary edema is the accumulation of fluid in the lungs, not mucus. Step 4: Bronchiectasis is a condition where the airways in the lungs become damaged and widened, not specifically related to thick mucus buildup.