Serum from Guinea Pigs Injected with Less Than a Lethal

question 263

Multiple Choice

Serum from guinea pigs injected with less than a lethal dose of diphtheria toxin

• A) contains a factor that protects other guinea pigs from a lethal dose of the same toxin.
• B) contains a factor that protects other guinea pigs from a lethal dose of diphtheria toxin and a toxin from a different bacterium.
• C) contains a factor that protects other guinea pigs from a lethal dose of toxin from a different strain of diphtheria-causing bacteria.
• D) conveys active immunity to guinea pigs injected with it.
• E) conveys cellular immunity to guinea pigs injected with it.

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Definitions:

Abnormal Neurotransmitter Activity

Unusual or pathologically altered functioning of chemical messengers in the brain, often implicated in various mental disorders.

Atypical Antipsychotic Drugs

Medicines used to treat psychiatric conditions that work differently from traditional antipsychotic drugs, often with fewer side effects.

Dopamine Hypothesis

A theory suggesting that the imbalance of dopamine levels in the brain plays a significant role in the development of schizophrenia and other psychotic disorders.

L-dopa

A chemical precursor to dopamine, used as a medication primarily in the treatment of Parkinson's disease to increase dopamine levels in the brain and alleviate symptoms.