Download Mikbaz I 2006

Mikbaz I 2006 - Cardiology
1. All of the following are cyanotic congenital heart diseases, except:
a. Atrial septal defect
b. Tetralogy of Fallot
c. Tricuspid atresia
d. Transposition of great arteries
2. Which of the following changes is not a component of tricuspid atresia?
a. Atrial septal defect
b. Stenosis of pulmonary valve
c. Hypoplasia of right ventricle
d. Ventricular septal defect
3. The common abnormality in Turner syndrome is:
a. Ventricular septal defect
b. Patent ductus arteriosus
c. Coarctation of aorta
d. Atrioventricular septal defect
e. Supravalvular aortic stenosis
4. All of the following are related to rheumatic fever, except:
a. Fibrinoid inflammation of the pericardium
b. Pancarditis
c. Deformation of the valve
d. Foci of fibrinoid degeneration in the endocardium
e. Deformation of joints
5. What is present in rheumatic heart disease?
a. Ballooning of the mitral valve
b. Cross reactant antibodies to staphylococcus aureus
c. Myocardial infiltration with PMNs
d. Fibroid deformation of the mitral valve
e. Annular abscess
6. Which immunological mechanism is involved in the development of aseptic
vasculitis in patients with infective endocarditis?
a. Cytotoxic T8 lymphocytic reaction
b. Immune complex
c. Cross reacting antibodies
d. Antinuclear antibodies
e. Anaphylaxis
7. All of the following are related to nonbacterial thrombotic endocarditis,
except:
a. Extensive burns
b. Advanced malignancy
c. Hypercoagulability
d. Acute valvular inflammation
e. Thromboembolism
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8. What is correct regarding atherosclerosis?
a. Atheroma at the aortic valve is called verruca
b. LDL particles enter the intima of the artery through vasa vasorum
c. Antischkow cell appear sometimes in atheromas and participate in
phagocytosis
d. Smooth muscle cells participate in phagocytosis in the atheroma
e. Monocytes that migrate to the atheroma secrete HDL
9. All of the following are related to atheromatous plaque disruption in a
coronary artery, except:
a. Bleeding into the atheroma
b. Ulceration of the atheroma
c. Calcification of the atheroma
d. Erosion of the atheroma
e. Rupture in the fibrous cap of the atheroma
10. What is correct regarding fatty streak?
a. Fatty streaks appear only in women taking pills (oral contraceptives)
b. A fatty streak is a small laceration in the intima of the aorta
c. A fatty streak is thickening of the intima
d. The lipids in the fatty streak are inside phagocytes
e. The lipids in the fatty streak are free in the intima in the form of
cholesterol crystals
11. A patient has died due to MI. In a histological examination of his left
ventricular myocardium, the muscle fibers has presented necrosis and marked
infiltration by PMNs. What is the age of the infarction?
a. Less than 24 hours
b. 2-3 days
c. A week
d. 3 weeks
12. Which area of the myocardium is most sensitive to ischemia?
a. Apex
b. Septum
c. Internal third of the cardiac wall
d. External third of the cardiac wall
e. A thin layer of muscle, 0.1mm thick, beneath the endocardium
13. What will be seen in histological examination of myocardium after less than
12 hours from the setting of transmural MI?
a. Wavy pattern of muscle fibers
b. Creation of granular tissue
c. Fresh necrosis of muscle fibers with marked leukocytic infiltration
d. Scarring of the infarction region
e. Degenerating necrotic tissue
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14. What matches restrictive cardiomyopathy most?
a. Cardiac muscle hypertrophy
b. Stiffening of the cardiac muscle and decline in elasticity
c. Overextension of the cardiac muscle
d. Replacement of cardiac muscle by adipose tissue
e. Widening of the cardiac cavities
15. Which of the following is not characteristic to the development of dilated
cardiomyopathy?
a. Amyloidosis
b. Doxorubicin
c. Pregnancy
d. Mutation in the dystrophin gene
e. Alcoholism
16. Slide number 4: MI
17. The cause of death from the condition at slide number 4 can be any of the
following, except:
a. Ventricular rupture
b. Ventricular fibrillation
c. Ventricular aneurysm
d. Ventricular tachycardia
e. Cardiogenic shock
18. Slide number 5: Atherosclerosis with ruptured plaque
19. Which is the most correct regarding aspirin?
a. Aspirin is a low molecular weight protein
b. Aspirin covalently inhibits the enzyme phospholipase A2
c. Aspirin enhances the production of thromboxane A2
d. Aspirin inhibits the enzyme cyclooxygenase
e. Aspirin both enhances the production of thromboxane A2 and inhibits
the enzyme cyclooxygenase
20. The wide usage of aspirin is related to its following qualities:
a. Platelet anti aggregant, anti emetic, anti inflammatory, lowers fever
b. Analgesic, lowers fever, platelet anti aggregant, anti allergic
c. Analgesic, anti inflammatory, lowers fever, platelet anti aggregant
d. Lowers fever, analgesic, anti inflammatory, anti infectious
e. Analgesic, anti inflammatory, decreases dizziness, platelet anti
aggregant
21. Mark the correct statement regarding verapamil:
a. This drug is not efficient for supra ventricular arrhythmias
b. Suppresses arrhythmias without affecting the SA node depolarization
rate
c. Does not affect cardiac contractility
d. Blocks conduction in slow fibers and blocks after-depolarizations
e. Works mainly through sodium channel blocking
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22. All of the following are correct regarding amiodarone, except:
a. Shortens the refractory period in the conducting system of the heart
b. Has a very long half life
c. Can interfere with thyroid function either as hyper or hypothyroidism
d. Suppresses arrhythmias caused by re-entry
e. The substance sinks in the tissues, including the cornea of the eye
23. All of the following are correct regarding adenosine, except:
a. Prolongs the conduction rate in the AV node
b. Acts as an agonist at adenosine receptors
c. Causes opening of potassium channels in the target tissue
d. Suppresses arrhythmias by blocking beta-adrenergic receptors
e. Administered IV only, not PO
Possible answers:
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slide 4
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slide 5
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