cancer of testis

Q ) Most Common  cancer of testis in children is 
a. Yolk sac  tumor
b. Leydig cell tumor
c. Seminoma testis
d. Choriocarcinoma


Blood Supply SA Node

Q) SA Node is supplied by which artery

a) Right coronary

b) Left coronary

c) Left circumflex

d) Anterior interventricular

Coronary arteries originate from ascending aorta, above the aortic valves from the aortic sinuses. Right coronary artery passes between the right atrial appendage and pulmonary trunk in the atrio ventricular septum and continues as .......................

Premium members read on 


COA- Coarctation of Aorta

Q) Not A complication of untreated coarctation of aorta
a) Endocarditis
b) CVA
c) Congestive heart failure
d) Pulmonary vascular disease

Coarctation of aorta is narrowing that diminishes the aortic lumen and produces an obstruction to the
flow of blood. In untreated patients complications might develop like endocarditis that occur at sites of
turbulent blood flow which is the site of narrowing,..........

Be a premium member and read on

Isotonic fluid

Q) Isotonic fluid  solution is
A. Half normal saline
B. 1/5
th normal saline
C. Ringer lactate
D. Dextrose in Normal saline

Answer is free

Ringer lactate and Normal saline are isotonic fluid. they are useful in replacing GI losses. Ringer lactate has a bit of potassium as well.

Body actually requires bicarbonate and not lactate. Lactate is the more stable form in IV solutions and is used, it is converted by liver into bicarbonates.

Half NS is used in replacing losses when sodium concentration is high in the body, mainly as maintenance fluid

1/5th NS is hardly used clinically

Dextrose in Saline or DNS is used for maintenance and is not isotonic

Colon Volvulus

Q) Regarding colonic volvulus all are true except

a) Sigmoid volvulus without gangrene – colonoscopic decompression is the trt of choice

b) Caecal bascule has high chance of gangrene due to torsion of mesentry

c) Splenic flexure volvulus has better prognosis than transverse colon volvulus

d) Recurrence rate after detorsion of cecal volvulus is 10-20%

Answer for premium members

Vascular ring

Q  ) Which is a true vascular ring?

a) Pulmonary artery sling

b) Double aortic arch

c) Cervical aortic arch

d) Origin of subclavian artery from descending aorta