By the Age of 5 Years,the Average Child Has a Vocabulary

question 29

Multiple Choice

By the age of 5 years,the average child has a vocabulary of about _____ words.

• A)1,000
• B)2,500
• C)5,000
• D)10,000

---

Definitions:

P Wave

The first wave in an electrocardiogram, representing the depolarization of the atria of the heart.

Electrical Impulse

A sudden surge of electrical energy or power, typically referring to the signals transmitted within biological organisms, especially neurons.

T Wave

A component of the ECG representing the repolarization of the ventricles of the heart.

Ventricles

The two lower chambers of the heart that receive blood from the atria and pump it to the lungs and body.