Cholera toxin is an A-B type toxin in which the B portions bind to a receptor on a host cell and the A portion enters the cell to cause

Microorganisms and Disease
Cholera toxin is an A-B type toxin in which the B portions bind to a receptor on a host cell and the A portion enters the cell to cause

ADP ribosylation of a G protein that locks it into an active form that stimulates adenylate cyclase to make cAMP

ADP ribosylation of adenylate cyclase that stops production of cAMP

ADP ribosylation of guanylate cyclase that stimulates production of cGMP

cleavage of rRNA that results in disruption of ribosome function

ADP ribosylation of a G protein that locks it into an active form that stimulates adenylate cyclase to make cAMP

ADP ribosylation of adenylate cyclase that stops production of cAMP

ADP ribosylation of guanylate cyclase that stimulates production of cGMP

cleavage of rRNA that results in disruption of ribosome function

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Microorganisms and Disease
Which is not a major defense mechanism in the stomach?

Dense normal flora

Proteolytic enzymes

All of these

Low pH

Dense normal flora

Proteolytic enzymes

All of these

Low pH

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Microorganisms and Disease
The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is

small dosage of wild-type live viruses

formalin-inactivated viruses

heat killed virus

live attenuated strains of all three immunological types

small dosage of wild-type live viruses

formalin-inactivated viruses

heat killed virus

live attenuated strains of all three immunological types

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Microorganisms and Disease
Each of the 3 virulence factors of Bacillus anthracis i.e. the capsule, edema toxin and lethal toxin can affect the activity of

B cells

macrophages

ciliated epithelial cells

M cells

B cells

macrophages

ciliated epithelial cells

M cells

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Microorganisms and Disease
The "A" subunit of diphtheria toxin

lysis macrophages with the release of cytokines

cause ADP ribosylation of a factor involved in protein synthesis

forms cAMP that leads to fluid accumulation

binds host cell receptors found on heart cells

lysis macrophages with the release of cytokines

cause ADP ribosylation of a factor involved in protein synthesis

forms cAMP that leads to fluid accumulation

binds host cell receptors found on heart cells

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Microorganisms and Disease
Plastic implants can pose a serious nosocomial infection problem because

phagocytes have trouble moving on the plastic surface

infected implants usually have to be surgically removed

phagocytes have trouble engulfing bacteria embedded in a biofilm

All of these

phagocytes have trouble moving on the plastic surface

infected implants usually have to be surgically removed

phagocytes have trouble engulfing bacteria embedded in a biofilm

All of these

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Microorganisms and Disease

Microorganisms and Disease Cholera toxin is an A-B type toxin in which the B portions bind to a receptor on a host cell and the A portion enters the cell to cause

Microorganisms and Disease Which is not a major defense mechanism in the stomach?

Microorganisms and Disease The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is

Microorganisms and Disease Each of the 3 virulence factors of Bacillus anthracis i.e. the capsule, edema toxin and lethal toxin can affect the activity of

Microorganisms and Disease The "A" subunit of diphtheria toxin

Microorganisms and Disease Plastic implants can pose a serious nosocomial infection problem because

Microorganisms and Disease
Cholera toxin is an A-B type toxin in which the B portions bind to a receptor on a host cell and the A portion enters the cell to cause

Microorganisms and Disease
Which is not a major defense mechanism in the stomach?

Microorganisms and Disease
The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is

Microorganisms and Disease
Each of the 3 virulence factors of Bacillus anthracis i.e. the capsule, edema toxin and lethal toxin can affect the activity of

Microorganisms and Disease
The "A" subunit of diphtheria toxin

Microorganisms and Disease
Plastic implants can pose a serious nosocomial infection problem because