Which condition accounts for less than 10% of hypertension cases?
Anonymous Quiz
72%
a) Chronic kidney disease
6%
b) Ischemic heart disease
13%
c) Hyperthyroidism
7%
d) Diabetes mellitus
3%
e) Obesity
نسخة D , أول سؤال الدكتورة كالت بي خطأ مطبعي ، لذلك راح ابدي من السؤال الثاني
What is the primary mechanism of action of α1-receptor blockers in lowering blood pressure?
Anonymous Quiz
16%
a) Inhibiting catecholamine uptake in smooth muscle cells
5%
b) Blocking conversion of angiotensin I to angiotensin II
3%
c) Stimulating α2-adrenergic receptors in the brain
76%
d) Directly relaxing arteriolar smooth muscle
0%
e) Blocking the angiotensin II type 1 receptor
What is the preferred first-line antihypertensive therapy for older patients?
Anonymous Quiz
17%
a) Thiazide diuretics
8%
b) Loop diuretics
13%
c) Calcium channel blockers
61%
d) ACE inhibitors
2%
e) ARBs
❤1
In which population are calcium channel blockers and thiazides most effective as first-line agents?
Anonymous Quiz
5%
a) older persons
79%
b) Black patients
7%
c) Children and adolescents
2%
d) Pregnant women
8%
e) Patients with pulmonary disease
Which condition necessitates immediate blood pressure reduction with a parenteral agent?
Anonymous Quiz
17%
a) Hypertensive urgency
5%
b) Chronic hypertension
15%
c) Isolated systolic hypertension
57%
d) Hypertensive crisis
6%
e) Primary hypertension
Which of the following is NOT a presentation of ischemic heart disease (IHD)?
Anonymous Quiz
9%
A) Chronic stable exertional angina
4%
B) Acute coronary syndrome (ACS)
8%
C) Ischemia without symptoms
6%
D) Microvascular angina
73%
E) Hypertensive heart disease
Who is more likely to present with chest pain at rest, often early in the morning?
Anonymous Quiz
42%
A) Younger patients with diabetes mellitus
15%
B) Older patients with diabetes mellitus
2%
C) Older patients without diabetes mellitus
35%
D) Younger patients without diabetes mellitus
6%
E) None of the above
What is the first-line pharmacological treatment for acute chest pain in ischemic heart disease?
Anonymous Quiz
8%
A) Aspirin
16%
B) Beta-blockers
8%
C) Statins
4%
D) Calcium channel blockers
65%
E) Nitroglycerin
What is NOT typically elevated in stable ischemic heart disease (IHD)?
Anonymous Quiz
68%
A) Troponin concentrations
4%
B) C-reactive protein
9%
C) Myoglobin levels
16%
D) Creatine kinase-MB (CK-MB)
3%
E) None of the above
According to the ACC/AHA guidelines, what is the recommended dual antiplatelet therapy
(DAPT) after PCI with coronary stent placement?
(DAPT) after PCI with coronary stent placement?
Anonymous Quiz
3%
A) Aspirin only
3%
B) Clopidogrel only
4%
C) Aspirin plus rivaroxaban
91%
D) Aspirin plus a P2Y12 inhibitor (clopidogrel, prasugrel, ticagrelor)
0%
E) None of the above
What is ischemic heart disease (IHD) defined as?
Anonymous Quiz
1%
A) Increased blood flow to the myocardium
92%
B) Lack of oxygen and decreased blood flow to the myocardium
4%
C) Obstruction of coronary arteries due to excess oxygen
3%
D) Lack of blood flow to the lungs
0%
E) None of the above
What type of angina is associated with chest pain at rest, often early in the morning?
Anonymous Quiz
8%
A) Unstable angina
8%
B) Chronic stable exertional angina
3%
C) Microvascular angina
80%
D) Variant (Prinzmetal) angina
2%
E) Ischemia without symptoms
What benefit has low-dose rivaroxaban demonstrated in patients with CAD when added to
aspirin therapy?
aspirin therapy?
Anonymous Quiz
66%
A) Reduction of major adverse cardiovascular events
23%
B) Prevention of thrombosis
7%
C) Improved exercise tolerance
3%
D) Lowering of blood pressure
1%
E) None of the above
What is the primary effect of dihydropyridine CCBs?
Anonymous Quiz
8%
A) Myocardial depression
58%
B) Coronary vasodilation
11%
C) Reduction of heart rate
23%
D) Increased myocardial contractility
0%
E) None of the above
How often should patients be evaluated after optimization on medical therapy for stable IHD?
Anonymous Quiz
3%
A) Every week
59%
B) Every 1-2 months
31%
C) Every 6-12 months
6%
D) Only if symptoms worsen
1%
E) None of the above
What is the main cause of Angina pectoris?
Anonymous Quiz
2%
A) Increased blood flow to the heart
12%
B) Decreased myocardial oxygen demand
83%
C) Decreased myocardial oxygen supply due to atherosclerotic plaque
3%
D) Absence of coronary plaques
1%
E) None of the above
Which condition may lead to decreased pain sensation in patients with diabetes mellitus?
Anonymous Quiz
84%
A) Neuropathy
1%
B) Hypertension
4%
C) Hyperthyroidism
8%
D) Coronary artery disease
3%
E) None of the above