A Child's First Word Appears at About What Age

question 34

Multiple Choice

A child's first word appears at about what age?

• A) 4 to 6 months
• B) 7 to 9 months
• C) 10 to 14 months
• D) 16 to 18 months

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Definitions:

Longitudinal Smooth Muscle

Muscle fibers arranged parallel to the long axis of an organ, contributing to its contraction and relaxation, found in the walls of internal organs.

Muscularis

Muscular coat of a hollow organ or tubular structure.

Peristalsis

The rhythmic contractions of smooth muscles in the gastrointestinal tract that facilitate the movement of food and waste.

Lamina Propria

Layer of connective tissue underlying the epithelium of a mucous membrane.