Challenge #8 (part 2)
Look at the scans below and answer the multiple choice questions.
![](https://static.wixstatic.com/media/bcdc3a_c188b1ddec4c4b459eef0956678f31df.jpg/v1/fill/w_591,h_842,al_c,q_85,enc_auto/bcdc3a_c188b1ddec4c4b459eef0956678f31df.jpg)
![](https://static.wixstatic.com/media/bcdc3a_dca182b6d080497882e5d97eeb16c741.jpg/v1/fill/w_591,h_842,al_c,q_85,enc_auto/bcdc3a_dca182b6d080497882e5d97eeb16c741.jpg)
![](https://static.wixstatic.com/media/bcdc3a_80c2b886da274a3cae70eeb41f53c353.jpg/v1/fill/w_591,h_842,al_c,q_85,enc_auto/bcdc3a_80c2b886da274a3cae70eeb41f53c353.jpg)
![](https://static.wixstatic.com/media/bcdc3a_592f791ec8ac4ee883d880a49239a67b.jpg/v1/fill/w_591,h_842,al_c,q_85,enc_auto/bcdc3a_592f791ec8ac4ee883d880a49239a67b.jpg)
1. Which of the following is the strongest risk factor for nasopharyngeal carcinoma?
a) EBV
b) HPV
c) HIV
d) CMV
2. If nasopharyngeal carcinoma extends to involve the adjacent ethmoid and sphenoid sinus, the T staging would be:
a) T1
b) T2
c) T3
d) T4
e)None of the above
Be sure to submit your answers for a chance to win a special prize!