Assertion   :       Hemodialysis can save and prolong the life of uremic patients.
Reason      :       Waste products like urea can be removed from the blood by the process of hemodialysis.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
 - If both the assertion and reason are true but the reason is not a correct explanation of the assertion
 - If the assertion is true but the reason is false
 - If both the assertion and reason are false