List four cancer causing substances found in tobacco products

Which is a contraceptive method that is classified as hormonal birth control?

You are awaiting the white blood cell differential results for a patient who presented with a ruptured appendix and peritonitis. which type of leukocyte do you expect to be most elevated over its normal value?

Which of the following methods had the highest risk of transmitting hiv? a) oral sex b) sharing needles c) sweat d) preseminal fluid