s/s of proctitis {Ans: Anorectal pain, itching, tenesmus, or discharge or bleeding from infection or rectal abscess suggest proctitis. -anal fissures}Bleeding between periods {Ans: Metrorrhagia}HPV vaccine {Ans: -The quadrivalent vaccine prevents infection from HPV sub-types 16 and 18, as well as 6 and 11, which cause 90% of genital warts (prevents cervical ca also) -The bivalent vaccine prevents infection from subtypes 16 and 18.}What causes a split S2 {Ans: During inspiration, the right heart filling time is increased, which increases right ventricular stroke volume and the duration of right ventricular ejection compared with the neighboring left ventricle. This delays the closure of the pulmonic valve, P2, splitting S2 into its two audible components.}Hemorrhoids vs polyps vs CA {Ans: -H-(internal-prolapsed)reddish, moist, protruding masses, (external) pain with defecation and sitting, tender, swollen, bluish, ovoid mass is visible at the anal margin. -P- on the stalk, or mucosal surface, soft, difficult to feel often -C- firm, nodular, rolled edge}3 year old development {Ans: -pedals tricycle, jumps in place. -balance on 1 foot at 4yo}