A) A percentage diameter stenosis > 70 % B) Presence of collaterals C) A systolic pressure gradient > 20 mm Hg across the lesion D) Post stenotic dilatation of the renal artery Answer (Select an option above to get the answer):
A) Diameter of the main pulmonary artery > 16 mm B) Diameter of the left pulmonary artery > 16 mm C) Diameter of the descending right pulmonary artery > 16 mm D) Diameter of the descending left pulmonary artery > 16 mm Answer (Select an option above to get the answer):
A) Ventricular septal defect B) Atrial septal defect C) Aorto-pulmonary window D) Patent ductus arteriosus Answer (Select an option above to get the answer):
A) Are embryonal cell carcinomas in 95% of cases B) Bilateral in upto 10 % cases C) Teratomas are more common than seminomas D) Usually present after 50 years of age Answer (Select an option above to get the answer):
A) Ventricular septal defect B) Right ventricular hypertrophy C) Atrial septal defect D) Pulmonary stenosis Answer (Select an option above to get the answer):
A) Shivering B) Vasoconstriction C) Release of thyroxine D) Piloerection Answer (Select an option above to get the answer):
(Single Best Answer) Question 2790: In a village having population of 1000, we found patients with certain disease and the results of a new diagnostic test on that disease are given below.
Disease
Test result
Present
Absent
+
180
400
-
20
400
Which of the following is the positive predictive value of diagnostic test in that population ?
A) 45 B) 31 C) 95 D) 50 Answer (Select an option above to get the answer):