PSY 221 CH4

By age 6, the brain reaches what percentage of adult volume?

• 75%

• 85%

• 95%

• 100%

Myelination in early childhood primarily enhances:

• Emotional regulation

• Speed and efficiency of neural communication

• Gross motor skills only

• Sensory acuity

Frontal lobe development in early childhood supports:

• Basic reflexes

• Planning, organizing actions, and sustained attention

• Language comprehension only

• Emotional outbursts

A 4-year-old's gross motor skills typically include:

• Precise finger painting

• Jungle gym climbing

• Writing full sentences

• Sitting still for hours

Fine motor skills become noticeably more precise by age:

• 2 years

• 3 years

• 4 years

• 6 years

Chronic sleep deprivation in early childhood is linked to:

• Improved memory consolidation

• ADHD and obesity

• Enhanced theory of mind

• Early puberty

Iron deficiency anemia in low-income children often results from:

• Excessive dairy consumption

• Lack of meat and dark green vegetables

• Overconsumption of sugar

• Too much exercise

The WHO recommends daily physical activity for 3-4-year-olds should total:

• 30 minutes

• 1 hour

• 3 hours

• 5 hours

Centration in Piaget's preoperational stage refers to:

• Focusing on multiple attributes simultaneously

• Fixating on one salient feature while ignoring others

• Understanding conservation

• Reversible thinking

Egocentrism is demonstrated when a child:

• Shares toys willingly

• Assumes others see the world exactly as they do

• Recognizes false beliefs

• Uses scaffolding