Why Is It Not Possible to Use Koch's Postulates to Show

question 69

Multiple Choice

Why is it not possible to use Koch's postulates to show that Treponema pallidum causes syphilis?

• A) T. pallidum is a Gram-negative organism.
• B) T. pallidum cannot be grown in pure culture.
• C) T. pallidum causes different diseases in different hosts.
• D) Syphilis is a polymicrobial disease; T. pallidum is only one of the causative agents involved in the disease.
• E) T. pallidum does not contain a genome.

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Definitions:

Self-help Groups

Peer-led organizations where members share common experiences, conditions, or issues, and provide mutual support to each other.

Family Systems Therapy

A branch of psychotherapy that views psychological problems and their treatment in the context of the family unit's dynamics.

Psychoanalysis

A set of psychological theories and therapeutic methods which aim to explore the unconscious mind, originally developed by Sigmund Freud.

Cognitive Therapy

A type of psychotherapy that emphasizes the importance of thought patterns in influencing behavior and emotions, aiming to alter negative thoughts.