Module 1 Study Quizzes - Microbiology

Ignaz Semmelweis was trained as a ___________________ and went to work in an Austrian hospital around the year __________ . physician, 1847 What differences did he observe between the doctor's/med student's obstetrics clinic and the midwive's clinic in his hospital? much lower death rate in midwife's clinic What "activities" in the clinics did Semmelweis study to see if they might be the cause of the illness? ringing of religious bells in clinic or position of women while giving birth Semmelweis ruled out those activities and finally concluded that what was being transmitted to the mothers in the clinic by the male doctors and med students ? something on hands/clothing from dissecting cadavers or autopsies of patients who died from illness What did Semmelweis have the doctors do to limit the spread of the disease among the new mothers? washing hands with chlorine product The change in the doctors behavior that Semmelweis had them do resulted in dramatic decline in rate of illness and death that = midwife death We now know that the microorganism being spread in the doctor's clinic that causes puerperal fever (and many other human diseases!) is Group A streptococci (Streptococcus pyogenes) Because of the success of Semmelweis' remedy to the spread of the illness in the doctor's clinic and the significant saving of lives, his reward was belittled, insulted, mocked for making them wash their hands and fired How long is it estimated, according to NIH research, that coronavirus can survive on stainless steel or plastic surfaces? 2-3 days What natural substance would limit the time that coronavirus could survive on hair? natural oils from the scalp What type of ingredient in shampoo w