Which of the Following Indicates a Significant Problem in the Infant's

question 74

Multiple Choice

Which of the following indicates a significant problem in the infant's communication system?

• A)A lack of pointing by 15 months of age
• B)Not being able to speak 50 words by 15 months of age
• C)Only speaking 150 words by two years of age
• D)A lack of pointing by seven months of age

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Definitions:

Amphibians

Amphibians are a class of cold-blooded vertebrates that include frogs, toads, salamanders, and newts, characterized by their ability to live both on land and in water.

Chordate Group

A large group of animals that, at some stage in their development, possess a notochord, dorsal nerve cord, pharyngeal slits, and a post-anal tail.

Bony Fishes

Fish that have skeletons primarily composed of bone tissue, as opposed to cartilaginous fishes; this group includes the vast majority of current fish species.

Placoderms

A group of extinct jawed fishes.