The Case of Mrs

question 79

Multiple Choice

The case of Mrs. R. involved _______ provoked by a tumor located between her frontal lobes.

• A) motor seizures
• B) partial paralysis
• C) mutism
• D) a stroke
• E) a speech disorder

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Definitions:

Ectoderm

The outer germ layer of the early embryo; gives rise to the skin and nervous system. Compare with mesoderm and endoderm.

Protostomes

Animals that belong to the Protostomia, one of the major animal clades. Include the annelids, arthropods, and mollusks. Compare with deuterostomes.

Deuterostomes

A major group of animals characterized by their embryonic development, in which the anus forms before the mouth.

Spiral Cleavage

A distinctive spiral pattern of blastomere production in an early protostome embryo. Compare with radial cleavage.