Ignaz Semmelweis Micro Ch 9 Quiz (Mastering) 100% Solved

Ignaz Semmelweis Micro Ch 9 Quiz (Mastering) 100% Solved What is Dr. Ignaz Semmelweis best known for? *A.* being a great surgeon *B.* creating the nursing program *C.* developing aseptic techniques *D.* developing a Neonatal Intensive Care Unit *E.* creating the nursing program and developing a Neonatal Intensive Care Unit *C.* developing aseptic techniques Until Semmelweis implemented hand washing in the physician ward, the midwife ward consistently had lower mortality rates due to puerperal sepsis than did the physician ward. Koch's postulates do NOT apply to *A.* susceptible diseases *B.* reemerging diseases *C.* noninfectious diseases *D.* infectious diseases *E.* transmittable diseases *C.* noninfectious diseases Limitations of Koch's postulates: - Do not apply to noninfectious diseases. - Certain infectious diseases cannot be isolated. - Infectious agents that won't grow in the lab. - Obligate intracellular pathogens. - Some microbes become attenuated in pure cultures. - Some microbes do not infect non-human hosts. During which stage of infectious disease is the disease at its peak? *A.* acute phase *B.* incubation period *C.* convalescent phase *D.* prodromal phase *E.* period of decline *A.* acute phase - *Incubation period:* The time between infection and the development of the earliest symptoms. - *Prodromal phase:* Early symptoms develop. - *Acute phase:* The peak of the disease. - *Period of decline:* Replication of the infectious agent is brought under control; symptoms start to resolve. - *Convalescent phase:* The patient recovers; in some cases the pathogen is kept latent in the patient. If there is 25 total cases in a defined population during a given time, and 100 total people in the defined population during the same time, what is the prevalence rate? *A.* 0.25 *B.* 2.5 *C.* 25 *D.* 250 *E.* 2500 *A.* 0.25 Prevalence Rate *=* Total cases in a defined population during a