All of the following enzymes are regulated by calcium or calmodulin, except: A. Adenylate cyclase B. Glycogen synthase C. Guanylyl cyclase D. Hexokinase Correct answer : D. Hexokinase
Vitamin B12 acts as co-enzyme to which one of the following enzymes? A. Isocitrate dehydrogenase B. Homocysteine methyl transferase C. Glycogen synthase D. G-6-P dehydrogenase Correct answer :
The following methods can be used to detect the point mutation in the beta (B)-globin gene that causes sickle cell anemia, except: A. Polymerase chain reaction with allele-specific
In which of the following uveitic conditions is it contraindicated to put in an intraocular lens after cataract surgery? A. Fuch’s heterochromic cyclitis B. Juvenile rheumatoid arthritis C.
Typically bilateral inferior subluxation of lens is seen in: A. Marfan’s syndrome B. Homocystinuria C. Hyperinsulinemia D. Ocular trauma Correct answer : B. Homocystinuria Bilateral subluxation of lens:
The most common cause of vitreous hemorrhage in adults is: A. Retinal hole B. Trauma C. Hypertension D. Diabetes Correct answer : D. Diabetes Proliferative diabetic retinopathy is
Blalock and Taussig shunt is done between: A. Aorta to pulmonary artery B. Aorta to pulmonary vein C. Subclavian artery to pulmonary vein D. Subclavian vein to artery
The following features are true for tetralogy of Fallot, except: A. Ventricular septal defect B. Right ventricular hypertrophy C. Atrial septal defect D. Pulmonary stenosis Correct answer :
Late onset hemorrhagic disease of newborn is characterized by all of the following features except: A. Usually occurs in cow-milk fed babies B. Onset occurs at 4-12 week
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