Exam 5: The First Two Years: Biosocial Development

When they practice walking, toddlers average about _____ steps per hour of free play.

The part of the brain that is very immature at birth is the _____.

Synapses are _____.

Dendrite growth is the main reason that brain weight _____ from birth to the age of 2.

When the immune system is primed to resist a particular disease, the process is called _____.

Pruning neural connections slows neural communication and decreases thinking ability.

_____ is a life-threatening injury that occurs when an infant is forcefully shaken, since this motion ruptures blood vessels in the brain and breaks neural connections.

The fetus's sense of hearing develops during the _____ trimester of pregnancy.

The function of neurotransmitters is to _____.

The ability to move and control some parts of the body is referred to as _____.

The human body is equipped to protect the brain when malnutrition temporarily affects body growth. This protective feature is known as _____.

On average, which skill does an infant develop first?

Alma brought her 6-month-old son to the doctor for a well-baby visit. The doctor said that her son's weight is in the 20th percentile. What does this definitely mean?

You see a beautiful yellow flower while walking through a meadow. The light reflected from the flower activates your retinas, producing _____.

By 2 months of age, babies not only stare at faces but also smile at them. This change is due to _____.

Which of the following is a sense organ?

Brain maturation is the only factor that influences an infant's sleep patterns.

All _____ are functional at birth, although some are more developed than others.

Gross motor skill is to crawling as fine motor skill is to _____.

Two-year-olds are about 20 percent of their adult weight.