MCQ revision

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What is the main difference between bacteria and a virus
Bacteria is a cell, a virus is not
1 of 25
Where is the greatest variety of flora in the body found
the gut
2 of 25
Bacterial DNA is arranges as a
necleoid
3 of 25
Bacterial cells grow according to which order
lagging, exponential, stationary, death
4 of 25
Gram positive bacteria are distinguishable by
thick peptidoglycan layer that doesn't decolourise iodine so stains violet
5 of 25
a cooci shaped bacteria is
circular
6 of 25
a visilous/bacilli shaped bacteria is
rod
7 of 25
Give an example of a GPC
streptococcous pneumoniae
8 of 25
viruses of bacteria that can transfer genes are called
bacteriophages
9 of 25
the transfer of DNA from one molecule to another, within a cell is called
transposition
10 of 25
bacteria in a vegetative state to help them survive stress are called
spores
11 of 25
Name 4 sterile body sites
eye, female reproductive system, CNS, lower respiratory tract
12 of 25
An opportunistic species is one which
colonises only when the immune system is compromised
13 of 25
a nosocomial infection is one
acquired in a hospital
14 of 25
virulence factors are those which
help the bacteria
15 of 25
the infectious dose is
the dose needed to cause infection
16 of 25
what is a fomite
a non-living carrier of bacteria
17 of 25
name 2 things that influence the severity of infection
host and environmental factors
18 of 25
pasteurization is
the removal of microorganisms using heat
19 of 25
human cells are
eukaryotic
20 of 25
flagella are composed of
motor, hook and filament
21 of 25
transformation is the transfer of DNA via
uptake by recipient cell of naked DNA that is released into the environment
22 of 25
bacteria repilcate via
binary fission
23 of 25
define sepsis
SIRS in the presence of infection
24 of 25
if a virus has positive sense dna or rna
it can take over ribosomal activity immediately as it already has an mRNA template
25 of 25

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Card 2

Front

Where is the greatest variety of flora in the body found

Back

the gut

Card 3

Front

Bacterial DNA is arranges as a

Back

Preview of the front of card 3

Card 4

Front

Bacterial cells grow according to which order

Back

Preview of the front of card 4

Card 5

Front

Gram positive bacteria are distinguishable by

Back

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