MBI 111 Exam 4 questions with correct answers

Urinary Tract Infections (UTIs) Answer Bacterial Agent: E. coli (most commonly) Cystitis occurs when bacteria find their way up the urethra and travel to the bladder Symptoms: Frequent urge to urinate, painful urination, feeling the bladder is not empty after urination, pelvic pain, nausea, fever, orange or cloudy urination --women affected more than men --untreated cystitis can progress to pyelonephritis if bacteria travels to kidneys Treatment: antibiotics (sometimes resistant) Prevention: drink lots of water, good hygiene, maybe cranberry juice, vaccines are in development Sexually Transmitted Infections Answer --Major public health issue in the US --require environmental conditions found inside the body --infection with most agents does not lead to immunity --often no symptoms STI Prevention Answer --Abstinence --Monogamy with uninfected partner --Condoms --Medical check-ups Gonorrhea Answer Bacterial agent: Neisseria gonorrhoeae Symptoms in males: painful urination, pus discharge (90% have symptoms) Symptoms in females: mucus, pus, bloody vaginal discharge (50% have symptoms)