Five-Year-Old Derek Tends to Confuse Appearance and Reality

question 50

Multiple Choice

Five-year-old Derek tends to confuse appearance and reality. He is most likely in Piaget's ________ stage of cognitive development.

• A)preoperational
• B)formal operational
• C)concrete operational
• D)sensorimotor

---

Definitions:

Pepsinogen

is the inactive form of pepsin, an enzyme in the stomach that breaks down proteins in food.

Stomach

A digestive organ in the gastrointestinal tract that plays a key role in digestion by secreting stomach acids and enzymes.

Gastric Motility

The movements of the stomach muscles that mix and propel contents through the digestive system.

Gastric Secretion

The process of producing and releasing fluids such as hydrochloric acid and digestive enzymes by the stomach's glands to aid in digestion.