Q145. In which type of countries is the incidence of Coronary Heart Disease (CHD) currently INCREASING?
Anonymous Quiz
10%
A) High-income countries
80%
B) Low/middle-income countries
10%
C) All countries equally
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Q146. Ischemic Heart Disease (IHD) is primarily caused by:
Anonymous Quiz
1%
A) Excessive blood flow
98%
B) Insufficient blood supply to the heart
1%
C) High oxygen levels
Q147. Ischemia differs from hypoxemia in that ischemia involves:
Anonymous Quiz
17%
A) Reduced oxygen only
79%
B) Reduced blood flow
4%
C) Increased glucose
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Q148. In the Left Ventricle, blood flow occurs ONLY during:
Anonymous Quiz
10%
A) Systole
61%
B) Diastole
29%
C) Tachycardia
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Q150. Atherosclerosis is characterized by the accumulation of _____ in arterial walls.
Anonymous Quiz
3%
A) Proteins
74%
B) Lipids
23%
C) Carbohydrates
❤4
Q151. Symptoms of exertional angina usually appear when arterial stenosis reaches:
Anonymous Quiz
4%
A) 10%
45%
B) 30%
51%
C) 70%
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Q152. Grade III arterial stenosis is defined as a narrowing of:
Anonymous Quiz
6%
A) 25%
44%
B) 50%
50%
C) 75%
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Q153. Which artery is commonly affected by atherosclerosis?
Anonymous Quiz
90%
A) RIA (ramus interventricular anterior)
7%
B) Renal artery only
3%
C) Hepatic artery
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Q154. Which risk factor for atherosclerosis is UNCONTROLLABLE?
Anonymous Quiz
19%
A) Smoking
70%
B) Male gender
11%
C) Obesity
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Q155. Dyslipidemia as a risk factor involves:
Anonymous Quiz
4%
A) High HDL
14%
B) Low LDL
82%
C) High LDL and low HDL
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Q156. The pathophysiology of Acute Coronary Syndrome (ACS) usually involves:
Anonymous Quiz
88%
A) Plaque rupture and thrombosis
12%
B) High cardiac output
1%
C) Exercise
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Q157. Which of the following is a type of ACS?
Anonymous Quiz
25%
A) STEMI
49%
B) Stable Angina
26%
C) Cardiac Asthma
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Q158. Unstable Angina is distinguished from MI by:
Anonymous Quiz
8%
A) Presence of ST-elevation
91%
B) Absence of markers of myocardial necrosis
1%
C) Presence of fever
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Q159. Coagulative necrosis in Myocardial Infarction is fully developed after:
Anonymous Quiz
4%
A) 1 hour
57%
B) 20 hours
39%
C) 3 days
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Q160. Stable Angina pectoris pain is typically relieved by:
Anonymous Quiz
9%
A) Heavy food
87%
B) Rest or nitrates
4%
C) Exercise
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Q161. Variant Angina (Prinzmetal's) is caused by:
Anonymous Quiz
3%
A) Fixed plaque
96%
B) Coronary artery spasm
2%
C) Low cholesterol
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Q162. Cardiac Syndrome X is characterized by exertional angina with:
Anonymous Quiz
33%
A) Significant stenosis on angiography
66%
B) No stenosis on coronary angiography
2%
C) Normal stress test
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Q163. Acute Left-sided Heart Failure often leads to:
Anonymous Quiz
12%
A) Peripheral edema
81%
B) Pulmonary edema
7%
C) Hepatomegaly
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Q164. Cardiac Asthma is characterized by severe dyspnea that occurs:
Anonymous Quiz
6%
A) Only during exercise
93%
B) At night (nocturnal)
1%
C) Only when eating
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Q165. Chronic Heart Failure is defined by an Ejection Fraction (EF) of:
Anonymous Quiz
39%
A) > 60%
55%
B) < 45%
6%
C) 100%
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Q166. The most common cause of Chronic Heart Failure (CHF) is:
Anonymous Quiz
2%
A) Myocarditis
97%
B) Ischemic Heart Disease (IHD)
1%
C) Toxic injury
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