question
Patient with a TB test should be placed in a room with
answer
negative air pressure
question
UV light destroys bacteria by
answer
Damaging DNA
question
substance that has not been pastuerized
answer
does not contain any pathogenic bacteria
question
enriched media would be used to
answer
encourage the growth of fastidious microbes
question
stool sample is added to a culture medium that is inhibited, but gram negative growth is not. what culture medium is this
answer
selective medium
question
bacteria that can grow in the absence of oxygen are said to be
answer
facultative anaerobes
question
what would be the best way to check the function of an autoclave
answer
autoclave bacterial spores to be sure they will not grow
question
some bacteria form spores when
answer
conditions are harsh
question
LPs is found in
answer
gram negative bacterial outer membrane
question
the bacterium streptococcus pyrogenes appears microscopically as
answer
spheres in a chain
question
differences in bacterial cell wall structure affect
answer
gram staining and antibiotic sensitivity
question
which generally represents sizes smallest to large
answer
viruses, bacteria, fungi
question
which is not a risk factor for HAI
answer
isolation
question
Which would be the best for treatment of shingles
answer
acyclovir
question
biofilms can make treatment more difficult because
answer
bacteria in biofilms may develop increased antibiotic resistance
question
____ is an anaerobic sport former associated with gas gangrene
answer
clostridium perfringes
question
what is a characteristic of viruses in the herpes family
answer
live for years in nerve ganglia
question
the organism most likely to be associated with decubitus ulcers include
answer
pseudomonas, staph, anaerobes
question
which is most likely the to be used as a topical antibiotic
answer
bacitracin
question
pneumonia caused by which organism is associated with "currant jelly" sputum
answer
Klebsiella pneumonia
question
most common cause of pharyngitis
answer
virus infections
question
which are associated with measles
answer
subacute sclerosing panencephalitis, Koplik spots, red skin rash
question
conjunctivits can be caused by
answer
adenovirus, hemophilus influenza, strep
question
Which infections may spread to bloodstream and become systemic
answer
salmonella typhii
question
strep pharyngitis is treated with antibiotics because
answer
post-streptococcal complications may affect the heart
question
the organism present in our microbiomes have been associated with changes in
answer
behavior and mood, cancer, diabetes, and C diff
question
which section of the GI tract has the smallest number of normal flora
answer
stomach
question
defense against infection in the upper respiratory tract include
answer
coughing, immune cells, mucus
question
vaccine for what organism has decreased the incidence of epiglottis
answer
hemophilus influenza
question
major change in the influenza virus is called
answer
antigenic shift
question
which of the following is caused by Helicobacter pylori
answer
stomach ulcers
question
patient presents with bloody diarrhea and cramps. which bacterium is most likely to be the cause
answer
campylobacter jejuni
question
which can be picked up by walking barefoot in infected soil or water in warm, wet climate
answer
hookworms
question
C diff is associated with
answer
pseudomembranous colitis
question
chronic otitis media may be difficult to treat due to
answer
biofilm formation
question
diagnosis of hepatitis infection requires
answer
test for antibodies to the virus
question
how would you diagnose pinworms
answer
scotch tape test
question
infection with which of these hepatitis virus is associated with chronic liver disease
answer
hepatitis C
question
which is associated with hemolytic uremic syndrome
answer
EHEC
question
in most people, infection with mycobacterium TB will result in
answer
positive TB test, but not necessarily active TB
question
Which condition involves multiple hair follicles
answer
furnuncle
question
an infant suffering from paroxysmal cough with loud inspiration may have infection with ___; this may be related to ___
answer
pertussis, weakened immunity from family members vaccines
question
Your patient has been diagnosed with healthcare associated pneumonia. what is the causative organism
answer
acinetobacter
question
desert southwest
answer
coccidiomycosis
question
cave in ky, full of bat droppings
answer
histoplasmosis
question
africa
answer
hepatitis E
question
parasite commonly reported intestinal protozoan and its associated with some forms of travelers diarrhea. the trophozoite resembles a face
answer
Giardia
question
most dangerous HAI's are
answer
bloodstream infections and pneumonia
question
which is true regarding collection of sputum specimen
answer
all of the above
question
treatment for methicillin-resistant staph infections may include
answer
vancomycin
question
a number of previously healthy young adults develop gastroenteritis following catered dinner. what is the cause
answer
staphylococcal enterotoxin in the potato salad
question
a young child has been diagnosed with gastroenteritis as a result of consuming raw milk. which of the following is not the organism
answer
C diff
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