Infants
Increases from 35 cm at birth to about 45 cm by 12 months
What is head circumference?
This normal developmental stage may reoccur in toddlers, especially during periods of stress or change.
What is separation anxiety?
This thinking style attributes life-like qualities to inanimate objects.
What is animism?
School-age children typically grow this many inches per year.
What is 2 to 2.5 inches?
Puberty typically begins for girls at this age range.
What is 9 to 10 years old?
This reflex, present at birth, disappears as protective reflexes develop.
What are primitive reflexes?
At about age 2, a toddler’s height is approximately this fraction of their expected adult height
What is one-half?
Preschoolers should receive between 700 and 1,000 mg of this nutrient daily to support bone growth.
What is calcium?
This vision condition, also called “lazy eye,” occurs when one eye focuses better than the other.
What is amblyopia?
Increased sebaceous gland activity during adolescence may lead to this common skin condition.
What is acne?
The average infant triples their birth weight by this age.
What is 12 months?
A toddler demonstrating physiologic anorexia may be going through this phase.
What is picky eating or food jags?
The preschooler’s psychosocial stage according to Erikson focuses on balancing initiative with this emotion.
What is guilt?
According to Piaget, school-age children enter this stage of cognitive development, focusing on logical operations
What is the concrete operational stage?
In Piaget’s cognitive theory, adolescents develop this ability to think about possibilities beyond the present.
What is abstract thinking?
Develops around 8 months when infants recognize themselves as separate from others
What is stranger anxiety?
Carrots, spinach, and sweet potatoes are good sources of this vitamin, important for vision and growth.
What is vitamin A?
A preschool child who cannot play with other children may be showing signs of this.
What is developmental delay?
Children in this psychosocial stage, according to Erikson, work to master skills and feel competent.
What is industry versus inferiority?
According to Erikson, adolescents are in this psychosocial stage focused on developing a strong sense of self.
What is identity versus role confusion?
The introduction of solid foods should begin when this reflex disappears.
What is the tongue extrusion reflex?
According to Erikson, this psychosocial stage is the primary developmental focus for toddlers.
What is autonomy versus shame and doubt?
The ability to share feelings, show kindness, and cooperate are examples of these developing skills in preschool.
What are social skills?
This term describes the inability to align both eyes properly, sometimes confused with amblyopia.
What is strabismus?
This is the third leading cause of death among youth aged 10–19 years.
What is suicide?