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Free download in PDF Cardiology MCQs and Answers for competitive exams. These short objective type questions with answers are very important for competitive exams. These short solved questions or quizzes are provided by Gkseries.
81
A 58-year-old man has had an enlarging abdomen for several months. He has experienced no abdominal or chest pain. On physical examination he has a non-tender abdomen with no masses palpable, but there is a fluid thrill. An abdominal Ultrasound Scan shows a large abdominal fluid collection with a small cirrhotic liver. A chest X-ray shows a globally enlarged heart. Which of the following conditions is most likely to be present?
[A]
Dilated cardiomyopathy
[B]
Lymphocytic myocarditis
[C]
Myocardial amyloid deposition
[D]
Nonbacterial thrombotic endocarditis
Answer: Dilated cardiomyopathy
82
75 year-old man with a history of anterior MI is taking amiodarone 400mg/day for history of VT. He has a prolonged QT interval on his ECG.What is the most appropriate management?
[A]
Admit to hospital for monitoring.
[B]
Atenolol.
[C]
Change amiodarone to flecainide.
[D]
Discontinue amiodarone immediately.
Answer: Discontinue amiodarone immediately.
83
Elevation of the jugular venous pressure during inspiration is most likely to be found in which of the following situations?
[A]
a normal physical exam
[B]
cardiac tamponade
[C]
constrictive pericarditis
[D]
dilated cardiomyopathy
Answer: constrictive pericarditis
84
A 17-year-old girl is short in stature for her age. She has not shown any changes of puberty. She has a webbed neck. Her vital signs include Temperature 36.6°C Respiratory rate 18/min Pulse 75 bpm and BP 165/85 mmHg. On physical examination, she has a continuous murmur heard over both the front of the chest as well as her back. Her lower extremities are cool with poor capillary filling. A chest radiograph reveals a prominent left heart border, no oedema or effusions, and rib notching. Which of the following pathologic lesions best explains these findings?
[A]
Constriction of the aorta past the ductus arteriosus
[B]
Lack of development of the spiral septum and partial absence of conus musculature
[C]
Shortening and thickening of chordae tendineae of the mitral valve
[D]
Single large atrioventricular valve
Answer: Constriction of the aorta past the ductus arteriosus
85
A 67 year old man presents with sudden onset atrial fibrillation (ventricular rate of 150/minute). His serum creatinine concentration was 250 umol/L (70-110). What is the main factor that determines the choice of loading dose of digoxin in this patient?
[A]
Absorption
[B]
Apparent volume of distribution
[C]
Lipid solubility
[D]
Renal clearance
86
A 30-year-old intravenous drug abuser develops acute aortic regurgitation due to infective endocarditis. Which of the following is least likely to be found on clinical examination?
[A]
mitral valve pre-closure
[B]
peripheral vasodilatation
[C]
decreased cardiac output
[D]
hypotension
Answer: peripheral vasodilatation
87
Which ONE of the following is associated with Marfan's syndrome?
[A]
Autosomal recessive inheritance
[B]
increased upper : lower body ratio
[C]
Mental retardation
[D]
Retinal detachment
Answer: Retinal detachment
88
Which of the following is true regarding the action of Clopidogrel?
[A]
It inhibits cyclo-oxygenase
[B]
It is an ADP receptor antagonist
[C]
It is a glycoprotein IIb/IIIa inhibitor
[D]
It is a selective factor Xa inhibitor
Answer: It is an ADP receptor antagonist
89
Left axis deviation is seen on the ECG in which of the following conditions?
[A]
atrioventricular canal defects.
[B]
Ebstein's anomaly.
[C]
large ventricular septal defect.
[D]
patent ductus arteriosus.
Answer: atrioventricular canal defects.
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