Usmle Step 3: Uworld Practice Test 2: Exam Questions And Answers

28 yo at 28 wks gestation has leakage of fluid-wakes up in AM W/damp underwear&had intermittent clear vaginal discharge.Elevated 1 hr glucose challenge test but 3 hr GTT normal. Exam: no pooling of fluid in vagina. Thin clear discharge present in posterior fornix&on cervix. cervix is visibly closed&no lesions. vaginal pH 4.0. Wet mount microscopy shows epithelial cells. CAUSE of sx? {Ans: *Physiologic leukorrhea* -due to increased estrogen levels(pregnancy, ovulation, combination hormonal contraception) -different from other vaginal discharge bc no odor, vulvar pruritus, vaginal spotting -no treatment needed}who has sacral dimple? {Ans: neural tube defect (myelomeningocele)}coronary artery calcium score determination {Ans: CT coronary angiography w/calculation of a coronary artery calcium score can ID the presence of coronary atherosclerosis --but it's a poor predictor of functional coronary occlusion¬ recommended in asymptomatic, low-risk pts}36 yo M has itchy rash on buttocks&thighs. Pt had these sx intermittently over last year & tried OTC hydrocortisone cream w/little relief. 2 months ago: treated for urticaria w/loratadine. Sexually active w/2 female partners over the last year & used condoms consistently. Emigrated from Dominican Republic 10 yrs ago. Older brother has psoriasis. BMI 23. On the buttocks & upper thighs, there's a raised, erythematous