NUR 210 Exam 4 (Latest ): ACTUAL EXAM 4
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A+||BRAND NEW!!.- Galen
Normal Flora - ......answer.....bacteria that is normally and harmlessly inhabitant the human body
Virulence - ......answer.....the disease producing potential of the microorganism
Broad spectrum antimicrobial - ......answer.....antibiotics that are effective against many strains
Narrow spectrum antimicrobial - ......answer.....antibiotics that are effective against only a few
strains, use these whenever possible to prevent resistance
Ebola - ......answer.....also known as "hemorrhagic fever", very virulent virus transmitted through
human to human contact with infected body fluids, can lead to internal or external bleeding, very
deadly
Zika - ......answer.....a virus spread mostly by the bite of an infected Aedes species mosquito, can
be passed from a pregnant woman to her fetus causing birth defects
Pathogens - ......answer.....a select group of microorganisms that almost always cause disease
,Opportunistic pathogens - ......answer.....organisms capable of producing infectious diseases in a
weakened host
Endotoxic shock - ......answer.....when bacteria releases endotoxins after they die can can cause
death
Prions - ......answer.....are protein particles which do not have either DNA or RNA but are still able
to reproduce
Mad cow disease - ......answer.....disease caused by prions in animals
Creutzfeld-Jakob disease - ......answer.....disease caused by prions in humans, transmission via
contaminated meats, cannabalism, hospital contamination, cadaver transplants, incubation is 30
years, causes encephalopathy
Encephalopathy - ......answer.....a disease that alters brain structure or function, caused by
infectious agent, metabolic alteration, exposure to toxins, poor nutrition, and lack of O2 or blood
flow to brain
Latent virus - ......answer.....viruses that insert their genome into the host cell and remain dormant
for long periods of time, can become activated months to years later causing the disease
,Carcinogenic virus - ......answer.....virus that leads to the development of cancer. ex: strong link in
HPV and cervical cancer
Flagella - ......answer.....makes the bacteria mobile
Pilli - ......answer.....allows some bacteria to adhere to surfaces
Spores - ......answer.....can be produced which can germinate and then replicate
Cocci - ......answer.....spherical bacteria-staph
Bacilli - ......answer.....rod bacteria- e coli
Spiral - ......answer.....spirochete bacteria
Gram positive - ......answer.....bacteria that accepts the crystal violet stain, appears purple on the
slide
Gram negative - ......answer.....bacteria that rejects the crystal violet stain and accepts the
counterstain safranin, appears pink on the slide
Mycoplasma - ......answer.....an atypical bacteria that does not produce a rigid peptidoglycan wall
so resistant to cell wall inhibiting antibiotics, ex. walking pneumonia
, Chlamydia - ......answer.....an atypical bacteria that has characteristics of both viral and bacterial
organisms, intracellular like viruses and produce a peptidoglycan wall. ex. STD, eyes infection,
respiratory disease, and pneumonia
Lyme disease - ......answer.....caused by a bacteria found in forest animals, a tick feeding off one
of these animals and bites a human, causes erythema migrans
Rocky Mountain Spotted fever - ......answer.....caused by the bacteria Rickettsia, transmitted via
vectors, attacks the endothelial cells causing increased permeability, causes petechial rash on
palms and soles 6 days later
Helminths - ......answer.....parasitic worms
Tapeworms - ......answer.....parasitic worms caused by ingesting undercooked beef or
contaminated veggies, worm attaches to the intestinal wall and depletes host of nutrients,
diagnosed by stool
Pinworms - ......answer.....parasitic worms caused in children living in poor sanitary conditions,
causes intense anal itching, diagnosed with tape test
Microbial resistance - ......answer.....is the ability of the microbe to live and grow in the presence of
antibacterial agents
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