Pasteur's Discovery That Older Bacterial Cultures Would Not Cause Disease

question 2

Multiple Choice

Pasteur's discovery that older bacterial cultures would not cause disease in chickens but would protect them from subsequent infection with more virulent strains is an example of:

• A) attenuated vaccine.
• B) natural immunity.
• C) passive immunity.
• D) cross-immunity.

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Definitions:

Fidelity

A concept in developmental psychology denoting the capacity to commit to others, maintain loyalty, and pursue valued ideals and beliefs.

Intimacy Versus Isolation

A phase in Erik Erikson's psychosocial development theory that centers on the task of forming intimate, lasting relationships during the early adult years.

Generativity Versus Stagnation

A stage in Erik Erikson's theory of psychosocial development where the challenge is to contribute to the next generation or feel a sense of stagnation.

Independent

Not influenced or controlled by others in matters of opinion, conduct, thinking, or acting; relying on oneself or one's own capabilities, judgment, or resources.