KIN 123 Lecture Notes - Lecture 22: Molluscum Contagiosum, Mycoplasma Genitalium, Mollicutes

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18 Nov 2016

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Kin 123 - lecture 22 - sexually transmitted diseases - fred procopio. A person can be infected and spread disease without having symptoms. You don"t have to have sexual intercourse to contract an sti. Condoms do not completely protect from infections spread by skin contact, Infections transmitted through sexual contact because they do not cover all infected areas of the skin. One contact might be all it takes to get an sti. The more contacts, the greater the risks. Some are curable or symptoms can be treated. You may have more than one sti at the same time. There is no such thing as test me for everything . The information available - be honest about your sexual behavior. Blood, urine, swabs to be discussed with each sti below. Transmission: fluids in contact with open skin or mucous membranes. Anal/vaginal more likely than oral unless open sores. Early symptoms such as shingles and yeast.

Related Questions

Which STIs (Sexually Transmitted Infections, STDs, formerly known as STDs or Sexually Transmitted Diseases) can be cured and which can only be treated?

For STIs (STDs) that can only be treated, would you always be contagious?

Are they caused from a bacteria, virus, fungus, or some other agent?

What are the most effective methods to prevent their spread to yourself and your partner? What should you do if you are diagnosed with an STI (STD)?

PLEASE post a photo yes, I want folks to see the potential problems that can occur. Many of the nastier photos are in black and white because they are from years ago; today, we treat the condition earlier and they do not progress as often/severly as they did way back when.

olivepug595

1. Human papilloma virus serotypes 1 and 2 (HPV-1 & HPV-2) both cause benign skin warts. Explain the likely outcome of the following two scenarios and explain in detail why you expect these outcomes. In both scenarios, a person is infected with HPV-1 in January 2012, develops a skin wart which resolves (disappears) without treatment by December 2012. Scenario 1: The same person is re-infected with HPV-1 in January 2013. Scenario 2: the same person is infected with HPV-2 in January 2013.

2. Why do herpes simplex virus type 1 or 2 (HSV-1 or HSV-2) infections recur at or near the site of the original infection? Why is HSV-1 or HSV-2 infection not eliminated from the body when the symptoms of the initial infection subside? Explain both answers in detail.

3. Describe the mechanisms responsible for antigenic drift and antigenic shift in influenza virus. Which mechanism is responsible for the yearly changes in influenza virus and which may create strains of influenza virus that result in pandemics?

4. What organism causes syphilis? How can it be treated and prevented? Describe the stages of syphilis including the order in which they appear and the symptoms of each stage.

5. Name and describe in detail the three stages of disease caused by HIV infection in the order in which they occur. What defines the beginning and end of each stage and what events occur to cause the transitions from each stage to the next?

6. Name and describe the five modes of action of antibacterial drugs. Give an example of a drug that works by each mode of action and state whether it is broad or narrow spectrum and/or suited for treatment of Gram negative or Gram positive infections.

7. Explain the mechanism of action of the antiviral drug acyclovir. Why does it not harm uninfected cells?

8. Name and describe one of the seven most common neglected tropical diseases. Describe the organism that causes the disease, the symptoms, drugs used to treat it and the approximate number of people affected. Why is it necessary to treat the entire population in a geographic region rather than just those suffering symptoms in order to prevent new infections?

9. Describe and explain the causes of rheumatic fever. Why is it important for patients to complete the dose of antibiotics prescribed for "strep throat"?

10. What organism causes Lyme disease? How is it transmitted to humans and why is it most prevalent in parts of New England and the northern Midwest? Describe the possible long-term sequelae of Lyme disease.

11. Describe the five stages of the pathogenesis of tuberculosis. Which stages are seen in asymptomatic infected individuals and which are found in people that have active infectious tuberculosis?

12. Describe the six stages of rabies virus infection and pathology including the common sources of infection in the USA. Explain why fatal disease can be prevented by vaccination after infection.

13. Describe the four mechanisms by which bacteria can become resistant to antibacterial drugs. Describe two ways bacteria may be genetically modified to achieve drug resistance naturally.

44.Charlotte touches a doorknob after an individual with MRSA touched the doorknob. Immediately after touching the knob, Charlotte scratches her leg and transmits some MRSA cells into a small wound.The doorknob is functioning as a(n) a. etiologic agent. c. mode of transmission. b. reservoir. d. host. 44.A man infected with a viral respiratory infection sneezes and releases tiny droplets containing viral particles. Two minutes later, a woman breathes in some of these tiny droplets and becomes infected by the same viral infection. The movement of this virus from one individual to another is best described as the a. etiologic agent. c. mode of transmission. b. reservoir. d. host. 45. Although sporadic outbreaks of measles occur in the United States, the disease is considered nonendemic. What differentiates measles from endemic diseases, such as chickenpox? a. Endemic diseases exhibit higher numbers of cases than a sporadic outbreak. b. Diseases that are not endemic lack a reservoir in the area. c. Endemic diseases do not exhibit sporadic outbreaks. d. Diseases that are not endemic remain in reservoirs without infecting humans. 46. Which of the following would indicate efforts to control a disease are working? a. The disease becomes endemic. b. The disease prevalence increases. c. The disease incidence decreases. d. Outbreaks of the disease only occur every other year. 47. Which of the following statements describes one of the three steps of surveillance used for infectious diseases? a. Patients with infectious diseases are required to be seen by a physician at the CDC. b. Physicians are required to submit all patient records electronically to the CDC for review. c. Patient charts are reviewed by an infection control practitioner when an infectious disease is suspected. d. Incidence data is collected in all cases of bacterial infections within the United States. 48. Which of the following lists correctly identifies nosocomial infections from most common to least common? a. urinary tract, pneumonia, septicemia b. pneumonia, urinary tract, surgical wounds c. septicemia, surgical wounds, diarrhea d. diarrhea, urinary tract, pneumonia 49. Mary, an elderly woman with an indwelling catheter, is admitted to a local hospital for treatment of pneumonia. Three days after her admission, Maryâs husband receives a call from the hospital. He is informed that Mary has a nosocomial infection. Which of the following statements is true? a. The nosocomial infection referred to is pneumonia. b. Mary has most likely developed a urinary tract infection. c. Of all hospital patients, 25â30% develop nosocomial infections. d. Maryâs nosocomial infection could have been prevented with improved ventilation. 50. A nurse working in a large hospital harbors MRSA as part of the normal microbiota in his nose. He is most likely the source of a MRSA outbreak if a. infected patients have all had been cared for by this nurse and the isolates are identical. b. the patients are all elderly and the isolates of MRSA are not genetically identical. c. all of the infected patients were seen by the same physician and half of the patients were cared for by this nurse. d. all of the infected patients are on the same floor of the hospital and all have a history of heart problems. 51. Which of the following is NOT an example of aseptic technique? a. use of antiseptic on skin prior to insertion of an IV line b. use of latex gloves during the insertion of an indwelling catheter c. disinfection of doorknobs and other inert surfaces d. use of trash can liners in all patient rooms 52. An individual case of diphtheria, a notifiable infectious disease, in a patient in Florida is confirmed by laboratory testing. This patientâs physician would be required to a. send a letter to the WHO in Geneva, Switzerland. b. contact the CDC in Atlanta, Georgia. c. treat the patient regardless of health insurance status. d. quarantine the patient for eight weeks. 53. Fifteen individuals within one province in China are diagnosed with SARS. Epidemiologists will most likely a. quarantine the entire province immediately. b. contact the CDC in the United States to see if any cases were reported in the United States. c. wait to see if more cases of SARS are reported. d. try to identify the index case. 54. How does vaccinating wild rodents or poultry influence human health? a. Vaccinating wild rodents or poultry has no effect on human health. b. Vaccinating wild rodents or poultry reduces transmission of zoonotic diseases to humans. c. Vaccinating wild rodents or poultry reduces the migration of microbes into temperate regions. d. Vaccinating wild rodents or poultry increases the emergence of drug-resistant bacteria. 55. Which of the following scenarios would help meet the goal of the One Health Initiative? a. vaccinating poultry against avian influenza to prevent influenza from being transmitted to humans b. taking steps to reduce carbon dioxide emissions to reduce the effects of climate change c. providing sanitation after flooding events to prevent gastrointestinal infections in humans d. increasing compliance during antibiotic treatment of tuberculosis patients to prevent emergence of drug-resistant strains of tuberculosis 56. If humans continue to develop rapid transportation systems into more parts of the world, we should expect to see a. pandemics tracing the path of the transportation systems. b. an increase in detection of blood-borne pathogens. c. a decrease in human encroachment into tropical rain forests. d. an increase in the spread of transmissible spongiform encephalopathies. 57. How has the AIDS pandemic influenced reemerging diseases? a. AIDS has increased the number of immunocompromised individuals who are susceptible to diseases that were previously declining in developed countries. b. AIDS has led to an increase in the number of disease vectors throughout the world. c. AIDS has increased the prevalence of protozoal and parasitic infections that were declining in underdeveloped countries. d. AIDS has caused evolution to occur in diseases that were close to being eradicated in all countries. 58. Which of the following is likely to occur as a result of climate change? a. Insect vectors will migrate from tropical regions to once-temperate regions. b. Gastrointestinal infections will decrease in tropical regions. c. Microbes currently found in temperate regions will move to tropical regions. d. Extreme weather will decrease and diseases will become less seasonal. 59. What features would allow a virus to be used effectively as a bioweapon? a. a high infectious dose c. person-to-person transmission b. transmission via an insect vector d. quick pathogen detection systems

KIN 123 Lecture Notes - Lecture 22: Molluscum Contagiosum, Mycoplasma Genitalium, Mollicutes

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