Chapter 37: Coronary Artery Disease and Acute Coronary Syndrome, Angina Flashcards
CAD, Angina
A nurse is educating a patient on modifiable risk factors for coronary artery disease (CAD). Which of the following factors should the nurse emphasize? Select all that apply.
A. Tobacco use
B. Hyperlipidemia
C. Age
D. Hypertension
E. Family history of CAD
A. Tobacco use
B. Hyperlipidemia
D. Hypertension
A patient with elevated lipoprotein(a) levels asks about the significance of this finding. Which of the following statements by the nurse is correct?
A. “High lipoprotein(a) levels do not affect coronary artery health.”
B. “Lipoprotein(a) contributes to atherosclerosis by promoting plaque buildup.”
C. “Elevated lipoprotein(a) is unrelated to blood clot formation.”
D. “Lipoprotein(a) levels are not used for CAD risk assessment in high-risk patients.”
B. “Lipoprotein(a) contributes to atherosclerosis by promoting plaque buildup.”
Which of the following findings would indicate the earliest stage of atherosclerosis?
A. Fatty streak
B. Complicated lesion
C. Fibrous plaque
D. Collagen formation
A. Fatty streak
When explaining the role of C-reactive protein (CRP) in coronary artery disease, the nurse would correctly state that elevated CRP levels indicate:
A. A high risk of a cardiac arrhythmia.
B. Systemic inflammation that may contribute to CAD.
C. Increased HDL cholesterol levels.
D. An acute myocardial infarction is currently occurring.
B. Systemic inflammation that may contribute to CAD.
The nurse is discussing factors that can cause endothelial injury in patients with CAD. Which of the following should the nurse include in her teaching? (Select all that apply)
A. Diabetes
B. Hypertension
C. Obesity
D. Tobacco use
E. Low HDL cholesterol
A. Diabetes
B. Hypertension
D. Tobacco use
Which statement correctly describes the role of the endothelium in coronary arteries in healthy individuals?
A. It promotes clotting under normal conditions.
B. It naturally accumulates lipid deposits with age.
C. It thickens in response to LDL cholesterol.
D. It prevents platelet adhesion and leukocyte activation.
D. It prevents platelet adhesion and leukocyte activation.
In the fibrous plaque stage of atherosclerosis, which event occurs?
A. Lipid-filled smooth muscle cells accumulate.
B. Fatty deposits form a complicated lesion.
C. The endothelium thickens in response to platelets and LDLs.
D. Collagen forms a cap over fatty deposits, narrowing the arterial lumen.
D. Collagen forms a cap over fatty deposits, narrowing the arterial lumen.
A nurse is teaching a community group about coronary artery disease prevention. Which statement by a participant indicates a need for further teaching?
A. “High levels of homocysteine can damage blood vessel linings.”
B. “Only older adults need to worry about CAD.”
C. “Hypertension is a risk factor for CAD.”
D. “Lowering LDL cholesterol can slow disease progression.”
B. “Only older adults need to worry about CAD.”
The development of a complicated lesion in atherosclerosis includes which of the following characteristics?
A. It is the earliest stage of atherosclerosis.
B. It involves lipid-filled smooth muscle cells.
C. It can lead to plaque rupture and thrombus formation.
D. It occurs exclusively in peripheral arteries.
C. It can lead to plaque rupture and thrombus formation.
Which patient would benefit most from the measurement of lipoprotein(a) and homocysteine levels?
A. A young adult with no family history of heart disease
B. An adult at low risk for CAD with controlled blood pressure
C. A patient with an intermediate or high suspicion of CAD
D. An individual with high HDL cholesterol levels
C. A patient with an intermediate or high suspicion of CAD
Which statement accurately describes the progression of a complicated lesion in atherosclerosis?
A. It occurs when lipid deposits form the initial fatty streak.
B. It results in fibrous plaque development without further complications.
C. It involves plaque rupture and thrombus formation due to platelet aggregation.
D. It solely leads to collateral circulation growth.
C. It involves plaque rupture and thrombus formation due to platelet aggregation.
What contributes to the growth of collateral circulation in coronary arteries? (Select all that apply)
A. Acute coronary occlusion
B. Inherited predisposition for angiogenesis
C. Chronic ischemia
D. Sudden coronary artery spasm
E. Regular aerobic exercise
B. Inherited predisposition for angiogenesis
C. Chronic ischemia
The nurse is caring for a patient with a newly diagnosed complicated lesion in a coronary artery. What is the primary concern for this patient?
A. Development of stable plaque with minimal symptoms
B. Decreased blood pressure due to collateral circulation
C. Risk of total artery occlusion due to thrombus formation
D. Chronic ischemia leading to vessel dilation
C. Risk of total artery occlusion due to thrombus formation
A patient with a history of CAD is found to have an extensive collateral circulation network. What is the most likely explanation for this finding?
A. The patient has experienced a recent myocardial infarction.
B. The patient has chronic ischemia that allowed gradual collateral vessel growth.
C. The patient’s coronary arteries are completely occluded without warning.
D. The patient has only acute, short-term ischemic events.
B. The patient has chronic ischemia that allowed gradual collateral vessel growth.
Which of the following statements about glycoprotein IIb/IIIa receptors in complicated lesions is correct?
A. They inhibit platelet adhesion and thrombus formation.
B. They are activated when exposed platelets attempt to heal a ruptured plaque.
C. Their activation decreases the risk of arterial occlusion.
D. They are unrelated to fibrinogen binding and platelet aggregation.
B. They are activated when exposed platelets attempt to heal a ruptured plaque.
The nurse is teaching a patient about factors that influence the formation of complicated lesions. Which of the following should the nurse include as key contributors? (Select all that apply)
A. Inflammation and plaque instability
B. Presence of stable arterial plaque
C. Sudden coronary spasm
D. Continued platelet aggregation
E. Gradual buildup of fatty streaks
A. Inflammation and plaque instability
D. Continued platelet aggregation
Which patient would be at greatest risk for inadequate collateral circulation development in CAD?
A. A patient experiencing a slow, chronic arterial blockage
B. A patient with acute severe coronary spasm
C. A patient with long-term, mild hypertension
D. A patient undergoing gradual lifestyle changes to reduce risk factors
B. A patient with acute severe coronary spasm
Which of the following is considered a major risk factor for coronary artery disease (CAD)?
A. High serum LDL levels
B. Low serum HDL levels
C. High serum albumin levels
D. Low serum triglyceride levels
A. High serum LDL levels
HDL cholesterol is referred to as “good cholesterol” because it primarily functions to:
A. Deposit cholesterol on arterial walls
B. Transport cholesterol to arteries for use
C. Carry lipids away from arteries for metabolism
D. Increase triglyceride levels
C. Carry lipids away from arteries for metabolism
The risk for CAD increases with all of the following serum lipid levels EXCEPT:
A. Total serum cholesterol >200 mg/dL
B. LDL cholesterol >130 mg/dL
C. HDL cholesterol >50 mg/dL in women
D. Triglycerides >150 mg/dL
C. HDL cholesterol >50 mg/dL in women
Premenopausal women typically have higher levels of HDL due to the influence of:
A. Estrogen
B. Testosterone
C. Progesterone
D. Insulin
A. Estrogen
Hypertension contributes to the risk of CAD primarily by:
A. Increasing the elasticity of arterial walls
B. Enhancing HDL metabolism
C. Causing endothelial injury and promoting atherosclerosis
D. Reducing blood flow resistance
C. Causing endothelial injury and promoting atherosclerosis
A BMI greater than 30 kg/m2 and waist circumference over 40 inches for men is considered a risk factor for CAD because:
A. It increases LDL and triglyceride levels
B. It is linked with reduced physical activity
C. It lowers HDL levels more effectively than other factors
D. It decreases insulin resistance
A. It increases LDL and triglyceride levels
Nicotine exposure increases the risk of CAD by:
A. Decreasing peripheral vasoconstriction
B. Reducing LDL levels
C. Increasing catecholamine release and heart workload
D. Enhancing oxygen transport to the myocardium
C. Increasing catecholamine release and heart workload