The Child Who Reverts to Thumb Sucking and Whining When

question 41

True/False

The child who reverts to thumb sucking and whining when his mother brings a new baby home is using the defense mechanism known as regression.

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Definitions:

Mandibles

The lower jaws of vertebrates or the biting mouthparts of insects and other arthropods.

Antennae

Sensory appendages located on the heads of insects and some other arthropods, used for sensing their environment.

Arthropods

The largest phylum of animals, including insects, spiders, and crustaceans, characterized by an exoskeleton, segmented body, and jointed limbs.

Species

A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding to produce fertile offspring.