This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
The right suprarenal vein drains into the - 
Select and explain. 
A. Inferior vena cava, B. Right renal vein, C. Right Gonadal vein, D. Left Renal vein
A: Inferior vena cava
Answer: A: Inferior vena cava 
Explanation: Veins draining into inferior vena cava
-        Common iliac veins
-        Renal veins
-        Right gonadal vein
-        Right suprarenal vein
-        Inferior phrenic veins
-        Hepatic veins
-        3rd & 4th lumbar veins