Tricky Surgery Objective Type Questions And Answers

71. Under which of the following circumstances is medical management logical?
A. Moderate aortic insufficiency seen on echocardiography with normal left ventricular end-systolic dimensions.
B. Moderate to severe aortic insufficiency seen on echocardiography with cardiomegaly on chest roentgenography.
C. Moderate aortic insufficiency seen on echocardiography with symptoms of congestive heart failure.
D. Moderate aortic insufficiency with an end-systolic left ventricular dimension of 70 mm. as seen on echocardiography.
Ans: A


72. Which of the following may be indications for operation for mitral stenosis?
A. Systemic embolization.
B. Infective endocarditis.
C. Onset of atrial fibrillation.
D. Worsening pulmonary hypertension.
Ans: A,B,C,D

73. Which of the following is/are not true?
A. Operation improves survival in patients with severe, symptomatic mitral valve disease.
B. Left ventricular dilatation with class I or class II heart failure is an indication for operation with mitral regurgitation.
C. Tricuspid regurgitation is most commonly caused by abnormalities of the leaflets themselves.
D. Mitral valve replacement requires resection of the mitral valve leaflets and chordae.
Ans: C,D



74. Which of the following generally are not symptoms of tricuspid valve disease?
A. Pulmonary edema.
B. Hepatic failure.
C. Anasarca.
D. Hoarseness.
Ans: A,D

75. Which of the following are relative indications for mitral valve replacement, as opposed to mitral valve repair?
A. Extensive leaflet calcification.
B. Mitral regurgitation.
C. Chordal rupture of the anterior mitral leaflet.
D. Significant annular dilatation.
Ans: A


76. Which of the following are not true?
A. Tricuspid regurgitation due to annular dilatation alone generally does not require valve replacement.
B. Mitral valve replacement with either a bioprosthesis or a mechanical valve requires warfarin anticoagulation.
C. Tricuspid valve replacement is generally an indication for using a tissue valve.
D. Chronic renal failure is a relative indication for tissue valves.
Ans: B


77. Which of the following are relative indications for mechanical, as opposed to tissue, valve replacement?
A. Patient younger than 30 years.
B. Young female patient who desires children.
C. An elderly patient.
D. Tricuspid valve replacement.
Ans: A


78. Which of the following statements are not true?
A. Bioprosthetic valves have a relatively high incidence of hemolysis.
B. Bioprosthetic valves have a lower incidence of postoperative prosthetic valve endocarditis.
C. Mechanical valves develop structural failure after an average of 7 to 10 years.
D. Mortality attributable to warfarin therapy approaches 5% per patient-year.
Ans: A,B,C,D


79. Which of the following are not generally associated with mitral stenosis without regurgitation?
A. Pulmonary hypertension.
B. Pulmonary edema.
C. Left ventricular dilatation.
D. An opening snap after the second heart sound.
Ans: A,B,D

80. The most common location of accessory pathways in patients with the Wolff-Parkinson-White syndrome is the:
A. Left free wall.
B. Right free wall.
C. Posterior septum.
D. Anterior septum.
Ans: A

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