Due to a Genetic Defect,an Individual Is Unable to Make

question 57

Multiple Choice

Due to a genetic defect,an individual is unable to make T cytotoxic cells.Predict the most likely consequence.

• A)The individual will not be able to synthesize any antibodies.
• B)The individual will have SCID (severe combined immunodeficiency disease).
• C)The person will have frequent infections caused by Staphylococcus and Streptococcus.
• D)The person will not be able to adequately fight viral infections and infections caused by intracellular bacteria.

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Definitions:

Infancy

The earliest stage in human development, from birth to the age of two, characterized by rapid physical growth and cognitive development.

Forebrain

The largest and most recently evolved portion of a mammalian brain; includes the cerebrum.

Hindbrain

The part of the mammalian brain that evolved first. Includes the medulla, pons, cerebellum, and reticular formation.

Thalamus

A part of the forebrain that relays information from sensory organs and other brain structures to appropriate sites on the cerebral cortex.