The Most Important Virulence Factor of Vibrio Cholerae Is

question 18

Multiple Choice

The most important virulence factor of Vibrio cholerae is

• A) the presence of two axial flagella.
• B) the fact that it is oxidase positive.
• C) its ability to survive in fresh water.
• D) its ability to produce a potent exotoxin.
• E) its ability to live in estuarine and marine environments all over the world.

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Definitions:

Persistent Depressive Disorder

A chronic form of depression with symptoms lasting for at least 2 years.

Postpartum Depression

A type of mood disorder associated with childbirth, affecting both sexes, characterized by sadness, fatigue, and anxiety.

Major Depression

A mental disorder characterized by at least two weeks of pervasive sadness or loss of interest in activities, along with other symptoms of depression.

Seasonal Affective Disorder

A type of depression that occurs at the same time each year, usually during fall or winter, due to reduced natural sunlight.