Antoine van Leewenhoek (1600s) correct answers developed simple microscopes, looked at fabric, "The Father of MBI", called bacteria "weeanimalcules"
Ignaz Semmelweis (1840s) correct answers suspected that doctors were transmitting childbed fever to women during childbirth, required hand washing ...
MBI 111 exam 1 || with 100% Error-free Solutions.
Antoine van Leewenhoek (1600s) correct answers developed simple microscopes, looked at
fabric, "The Father of MBI", called bacteria "weeanimalcules"
Ignaz Semmelweis (1840s) correct answers suspected that doctors were transmitting childbed
fever to women during childbirth, required hand washing in chlorine solution
John Snow (1850s) correct answers cholera, found that 500 fatal cases occurred in 10 days
within 2500 yds. of a certain intersection, shut down the broad street pump and identified the link
b/n cholera and water
Joseph Lister (1860s) correct answers followed up on infection control work by Semmelweis,
used carbolic acid (phenol) to clean surgical dressings and instruments to control infections,
cleanliness could control disease
Louis Pasteur (1860-1880s) correct answers microbes are everywhere, food spoilage, heat can
kill microbes, suspected that microbes could cause disease and microbes too weak to cause
disease could cause immunity
Robert Koch correct answers Germ Theory of Disease, developed techniques for growing
bacteria in the lab, Koch's postulates, discovered the bacterial causes for tuberculosis and cholera
Guy de Chauliac correct answers Black Plague survivor, advised Pope Clement, cured plague by
air purification, venesection, and healthy diet
Edward Jenner correct answers noted that milkmaids who had developed cowpox seemed
protected from smallpox, inoculation results in immunity-prevented disease
Leprosy correct answers a skin and nerve disease caused by mycobacterium leprae bacteria (2
forms)
Tuberculoid Leprosy correct answers (Type of leprosy) shallow, irregular skin lesions, some loss
of sensation due to damage in nerves in affected areas
Lepromatous Leprosy correct answers (type of leprosy) disfiguring disease, significant nerve
damage occurs which can lead to serious unrecognized injuries
Leprosy's Long Term Impact correct answers -diseases can be contagious
-isolation can be used as prevention
-certain diseases stigmatize those affected
Plague correct answers a complex disease that can affect multiple organs, caused by Y. pests
bacteria (3-forms)
, Bubonic Plague correct answers (form of plague) Y. Pestis bacteria are transmitted by rats to
humans by rat flea bites
-lymph nodes become infected, swell and become neurotic ("bubos")
-fever, chills, headache
Septicemic "Black" Plague correct answers (form of plague) Occurs when Y. pests bacteria
spreads from the lymph nodes to the bloodstream
-immune system has inappropriate reaction to endotoxin Y. pests
-intravascular coagulation/septic shock (hands turn black)
Pneumonic Plague correct answers (form of plague) when Y. pests from bloodstream infects
lungs from direct airborne transmission
-respiratory failure
-death from septic shock
-spreads from person to person
*no rat flea bites required
Syphilis correct answers a complex disease with 1-4 distinct stages
-caused by Treponema palladium bacteria
-first appeared in late 1400s
-epidemic in 1500s
-Drs. refused to treat
-victims were turned away from leper colonies
Primary Syphilis correct answers (Step 1) a single, painless sore (chancre) occurs at initial site of
infection, 9 days to 3 months after exposure
-contact with chancre spreads bacteria to others
-chancres in urethra (male) or on cervix (female) > unnoticed
-bacteria spreads from chancre throughout the body via blood/lymph
Secondary Syphilis correct answers (Step 2) begins 3 weeks to 6 months after chancre heals
-rashes appear
-fever
-headache
-sore throat
-hairloss
-joint/liver/eye/bone damage
-contact with the rash spreads bacteria to others
Latent Syphilis correct answers (Step 3) in 30% of cases, the disease enters the latent period
-latency can last 20+ years
-after 2-4 years of latency disease is usually not communicable (except mother to fetus)
Congenital Syphilis correct answers (a variation) infection disrupts fetal growth/development
-miscarriage & still birth
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