How do you keep yourself from fainting or becoming lightheaded? it was my first time watching a surgery today (as a student) and i just couldn't do it

Desensitize : Make sure you have eaten enough and had enough fluids to drink. Move your legs and shift your weight. For people who pass out at the sight of blood or surgery sometimes it gets better with time, but can be an ongoing response to a stressful situation. Good Luck.

Don't fret: Most students seeing copious blood or internal organs will have reactions, some of which are vasovagal causing faintness and/or nausea. This can all be de-conditioned over a brief period of time. One way is brief windows of contact, with increasing time of experience over a few weeks to months. Can be acquired quite readily. (so I learned)