Which Two Genera Have Members That Can Evade the Human

question 29

Multiple Choice

Which two genera have members that can evade the human immune system by frequently changing their surface proteins?
1) Plasmodium
2) Trichomonas
3) Paramecium
4) Trypanosoma

• A) 1 and 2
• B) 1 and 4
• C) 2 and 3
• D) 2 and 4

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Definitions:

Cohort Study

An observational study in which a defined group of people (the cohort) is followed over time to study the incidence of disease or various outcomes.

Asbestos

A group of naturally occurring fibrous minerals known for their resistance to heat, chemicals, and electricity, historically used in construction but hazardous to health.

Incidence Rate

A measure of the frequency at which new cases of a disease or condition occur in a population over a specified period.

Asbestos Exposure

Refers to the condition of being in contact with asbestos, a group of naturally occurring fibrous minerals, which is a known risk factor for several diseases, including mesothelioma and lung cancer.