A doctor while operating on an HIV patient accidently cut himself with a scalpel. Suspecting himself to have to have contracted the virus , which test will he take to rule out virus t confirm his suspicion?

Question

$\begin{array}{1 1} \text{a. PCR} \\ \text{b. Routine urine examination} \\ \text{c. TLC} \\ \text{d. DLC} \end{array}$