This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Radiology
The most accurate investigation for assessing ventricular function is - 
Select and explain. 
A. Multislice CT, B. Echocardiography, C. Nuclear scan, D. MRI
B: Echocardiography
Answer: B: Echocardiography 
Explanation: Echo can assess left ventricular global and regional function and as well as systolic and diastolic function.