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Name:____________________________________________________Date:____________________Period:__________ Sexually Transmitted Diseases – Day 9 Objective: Students will be able to identify the cause, symptoms, mode of transmission, treatments/cures, and prevention for the top ten sexually transmitted diseases. Question: Which do you think is worse, a sexually transmitted disease caused by a bacterium, a parasite, or a virus? Explain your choice. REFLECT upon your hypothesis from the previous lesson. Do you still feel your hypothesis is the best prediction for the question posed? If yes, then what new information from the previous lesson lends support for your hypothesis? Explain below. If not, then re-write your hypothesis below and discuss what new evidence prompted you to change your hypothesis. Student answers will vary – just be sure that students support their hypothesis with information gained from the previous day’s lesson regarding the sexually transmitted diseases covered. Be sure to point out that it is perfectly acceptable to modify (rewrite) their hypothesis based upon new evidence / information. Inform Yourself! Using the resources provided by your teacher, complete the following data table. Name of STD Causative Agent (bacterium, parasite or virus) Symptoms Treatment / Cure Mode of Transmission SEE CDC FACT SHEETS FOR ANSWERS Prevention Name of STD Causative Agent (bacterium, parasite or virus) Symptoms Treatment / Cure Mode of Transmission Prevention Put Your Knowledge to the TEST: Choose 2 out of the 3 patients from the table below and based upon the symptoms presented, diagnose what STD s/he has, provide evidence for your conclusion (diagnosis), and list the possible treatment(s). Patient #1 Symptoms Presented Male patient has a skin rash on chest and hands and feet; patient has a fever and complains of headaches and fatigue; upon questioning, patient admitted to having a chancre sore on genitalia that lasted for weeks a while back Diagnosis SYPHILIS Evidence for Diagnosis Primary Stage: chancre sore on genitalia Secondary Stage: skin rash on chest and hands and feet; fever; headaches; fatigue Treatment CONSULTATIONS (Need FOUR signatures per patient) BLUE INK = AGREE RED INK = DISAGREE Single, perhaps multiple intramuscular injections of penicillin (or other antibiotic) #2 #3 Female patient has had abdominal pain and nausea for about 4 days; she is running a slight fever and admits that she has noticed a vaginal discharge and sexual intercourse has been painful; she is reluctant to give a urine sample because she says it hurts when she urinates abdominal pain; nausea; fever; CHLAMYDIA abnormal vaginal discharge; painful sexual intercourse Female patient has had flu-like symptoms for about a week; lymph nodes are swollen and upon a physical inspection several blister-like sores on her genitalia; patient admits that this is not the first time she has had those sores appear HERPES (GENITAL HERPES) [HSV-2] flu-like symptoms; swollen lymph nodes; repetitive blister-like sores on genitalia Antibiotics [possible single dose of azithromycin or a weekly dose of doxyxycline (two time daily)] NO CURE Antiviral medications can shorten and prevent the outbreaks (of sores); daily suppressive therapy can help prevent transmission to other partners Check Your OWN Understanding: You now need to CONSULT with other professionals. For each patient you chose, find 4 other physicians that also diagnosed that particular patient and get their signature in BLUE INK if they agree with your diagnosis and RED INK if they disagree with your diagnosis. Putting It ALL Together: Pick one patient from above and explain how they got the disease and how they might prevent contracting STDs in the future. See CDC Fact Sheets for answers. Teacher Approval Could be a simple signature for completion and/or score for accuracy accompanied by comments.