There Was a Dramatic Increase in the Number of Students

question 13

Multiple Choice

There was a dramatic increase in the number of students with visual impairments who had additional disabilities in 1964-1965 as a result of the:

• A)Rubella epidemic
• B)Measles epidemic
• C)Typhoid epidemic
• D)Tetanus epidemic

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Definitions:

Initial Injection

The first dose or administration of a substance or drug into a body or system.

Secondary Response

The immune system's more rapid and intense response to a pathogen when it is encountered for the second time, due to the presence of memory cells.

Initial Antigen

The first exposure of the immune system to a foreign molecule or pathogen, triggering an immune response.

Primary Response

The initial response of the immune system to a new antigen, typically involving the activation and proliferation of specific lymphocytes.