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JCCC Micro Exam -1 Questions and Answers 100% solved
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Exam of 12 pages for the course JCCC at JCCC (JCCC Micro Exam -1)
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JCCC Micro Exam #1Ubiquitous - answer found everywhere
How do we classify microbes? - answer Prokaryotes: bacteria and arches
Eukaryotes: fungi, protozoa, and algae
Florence Nightingale - answer founder of medical statistics
which played a major role in disease in warfare and overcrowded areas
Robert Koch - answer founder of the scientific method of microbiology
demonstrated an important aspect of epidemiology - chain of infection
How do we isolate? - answer
Know Koch's postulates - answer1) microbe is found in all cases of the disease, but
absent from healthy individuals
2) microbe is isolated from host and grown in pure culture
3) when microbe introduced into healthy host, the same disease occurs
4) same strain of microbe is obtained from newly diseased host
Immunizations - answer
Alexander Fleming - answer discovered the first antibiotic from Penicillium notatum
Aseptic technique - answerkeeping a sterile environment
not contaminating yourself or others
Antiseptic agents - answerchemicals that kills microbes
Discovery of viruses - answer
Watson and Crick - answerdiscovered the double helix
Rosalind Franklin - answerhelped Watson and Crick in discovering the double helix but
was not recognized
, Frederick Sanger - answerdiscovered DNA sequence
Microbiota - answercollection of bacteria, arches and eukaryotic microbes that call us
home
Mutualism - answermost of these microbes in and on our bodies give benefits to us and
we give them some benefits
Adhesions - answerhelps microbes to attach to and colonize epithelial lining
membranes
Colonizations - answerthe ability of a microbe to affix to a body surface and multiply
Distinguishing pathogen from normal flora - answer
Pathogen - answerany bacterium virus, fungus, protozoan or worm that cause disease
bacteria, virus, fungal, agents of disease
Pathogenicity - answerthe ability of that organism to cause disease
Parasites - answerdisease causing protozoa and worms
Primary pathogens - answerdisease causing microbes with means to branch healthy
immune system
Opportunistic pathogens - answercause of disease only in a compromised host
Virulence - answerdegree or severity of disease
LD50 - answerlethal dose
what it takes to kill off 50% of a population
ID50 - answerinfectious dose
what it takes to infect 50% of a population
Invasion - answerability of some pathogens to actually enter and live inside cells of a
human or non-human animal host
Invasiveness - answerthe ability of a bacterial pathogen to rapidly spread through tissue
Host ranges - answer
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