Infant Foundations

Question 1

Infant range

Answer 1

birth-12 mo

Question 2

avg birth wt, length, head circ

Answer 2

wt: 7.5 lbs (doubles 4-6 mo, triples by 12mo)
length: 20 in (increases 50% in 12mo)
Head circ: 13.5 in (10 cm bigger by 12 mo)

Question 3

Erikson Theory (birth -12 mo)

Answer 3

trust vs mistrust

Question 4

Piaget Theory (birth to 2 yrs)

Answer 4

sensorimotor

Question 5

Object permanence starts and fully develops when

Answer 5

starts at 4 mo, full at 8 mo

Question 6

when do they know they are separate from parents

Answer 6

12 mo

Question 7

2 mo (12)

Answer 7

-holds head up when prone
-moves all 4 extremities
-briefly opens hands
-nearsighted-prefer human faces & contrast
-hearing, smell, and touch intact
-reacts to loud noises
-differentiated crying
-makes other sounds than crying
-ready to socialize, first social smile
-more time awake
-calms when spoken to
-looks at face

Question 8

4 mo old(7)

Answer 8

-holds head w/o support when being held
-pushes up on forearms when prone
-bats at objects
-brings hands to mouth
-holds toy when put in hand
-simple vowel sounds
-more interactions w/ caregiver-starts w/ smile or vocalize to get attention
-

Question 9

6 mo old(7)

Answer 9

-rolls from prone to supine
-tripod sit
-uses arms to push up straight when prone
-reaches for desired object
-squeals for joy
-“raspberries”
-knows familiar people

Question 10

9 mo

Answer 10

-sits unsupported
-can get to sitting on own
-gross pincer grasp (rake)
-moves object one hand to another
-babbling begins, mama and dadda w/o meaning
-lifts arms to be picked up
-stranger anxiety
-looks when name is called
-uses facial expressions

Question 11

12 mo old

Answer 11

-pulls to stand w/ support
-fine pincer grasp
-pays more attention to speech
-babbling w/ inflection
-understands “no”
-plays games (peek-a-boo)

Question 12

3 mo old can sleep how much

Answer 12

7-8 hrs at night with 3 naps/day

Question 13

Infant Vitals

Answer 13

HR: 80-150
RR: 25-55
BP: 80/55