Lyme Disease Becomes Chronic Because

question 26

Multiple Choice

Lyme disease becomes chronic because

• A) Borrelia can lie dormant in liver cells.
• B) the bacterium resists phagocytosis.
• C) Borrelia is an intracellular parasite of erythrocytes.
• D) Borrelia changes its surface antigens frequently.
• E) the bacterium resists phagocytosis and ʺhidesʺ erythrocytes.

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Definitions:

Reinforcer

Any stimulus that strengthens or increases the frequency or likelihood of a behavior when it occurs.

Biological Need

Fundamental requirements that organisms need to maintain life, such as food, water, and shelter.

Probability

A measure of how likely it is that some event will occur; a number expressing the ratio of favorable outcomes to the total number of possible outcomes.

Operant Conditioning

A method of learning that employs rewards and punishments for behavior, where an association is made between a behavior and a consequence for that behavior.