5b. Perceiving and Moving; Surviving in Good Health

In the twenty-first century, nearly _____ percent of people in the healthiest nations who survive the first month after birth live to adulthood.

100

The death rate from sudden infant death syndrome (SIDS) dropped MOST dramatically in the:

1990s.

Fifty percent of babies can sit with support by _____ months.

3

Roberta has just advanced from touching the rattle that hangs above her to grabbing and holding it. She is probably about _____ months old.

6

Each vaccinated child stops transmission of the disease. Therefore, as long as _____ percent of the people in a community are immunized, no one dies of the disease.

90

Two-day-old Sia is not getting breast milk when she breast-feeds because:

colostrum is the fluid secreted for about the first three days after birth.

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

crawling; grabbing

Meena cannot be vaccinated because of her allergies, but she is protected to some degree from catching childhood diseases because of _____ immunity, which means that at least 90 percent of people in her local community have been immunized.

herd

Vaccines protect children from serious complications resulting from illness, including:

meningitis.

Dre begins reading a page in his sociology textbook. His photoreceptors detect light and dark stimuli. The action of Dre's photoreceptors illustrates:

sensation

The process of _____ is what occurs when a system such as vision or hearing detects a stimulus.

sensation

Jon's phone rings. Hair cells in Jon's basilar membrane detect a series of high-pitched tones. The action of Jon's hair cells illustrates:

sensation.