Stages of Life
Characteristics of Infant Stages
Physical Changes
Infants
Miscellaneous
100

0 to 1 month

Neonate

100

Recognizes familiar faces; uses eyes to track objects and people.

2 months

100

Calcium and cholesterol buildup inside the walls of blood vessels that form plaque.

Atherosclerosis
100

A bond between an infant and his or her parents in which the infant understands that the parents will be responsive to his or her needs.

Secure Attachment

100

The stage the reproductive system reaches maturity.

Adolescence

200

61 years and older

Older adult

200

Knows his/her name; walks

12 months

200

The percentage of decline in kidney filtration between the ages of 20 and 90 years.

What is 50%

200

An infant reflex that occurs when something touches an infant's cheek, and the infant instinctively turns his or her head toward the touch.

Rooting Reflex

200

When encountering an infant with depressed fontanelles you should suspect...

Dehydration

300

6 to 12 years

School age

300

Begins teething; sits upright; speaks one syllable words

6 months

300

The ages when men and women typically reach their physical peak.

What is between 19 to 25 years of age.

300

An infant reflex that in which the infant opens his or her arms wide, spreads the fingers, and seems to grab at things.

Moro reflex

300

The leading cause of death of persons 45 years of age and older.

Cancer

400

12 to 18 Years

Adolescent

400

Pulls self up to stand; explores objects by placing them in their mouth.

9 months

400

The age girls finish their growth.

16 years

400

The differences of an infant's airway compared to an adult.

Tongue is larger, airway is shorter and narrower.

400

Making decisions based on your conscience.

Postconventional reasoning

500

19 to 40 years

Early adult

500

Reaches arms out to people; drools

4 months

500

The stage where hearing and vision loss starts to be a concern.

41 to 60 years (middle adulthood)

500

The anterior fontanelle closes.

Between 9 and 18 months

500

The volume of air moved during the deepest points of respiration.

Vital capacity

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