At what age are 90% of infants able to social smile?
2 months
T/F A 4 month old can use scissor grasp.
F
This appears at age 6 months
At what age should 90% of infants be able to voluntary grasp ?
by 5 months
What age do they begin to coo?
2-4 months
T/F
A rooting reflex at 6 months of age normal.
F: it should stop at 4 months of age
Can walk use stairs with 2 feet on each step, stack 6 blocks, runs well
24 months
Jumps with 2 feet at what age?
24-30 months
Which ability comes first: Drawing a cross or a circle ?
Circle
At age 3, what percentage can they be understood?
75%
What reflex appears at 9 months of age and stays for life?
Bonus: describe it
Parachute reflex
Infant will extend their arms forward as if to break a fall
1 anterior sole crease, vernix covers entire body, no breast tissue, ears have slow return from folding.
~32 weeks gestation:
Vernix covers entire body from 24-37 weeks
no breast tissue < 36 weeks
slow ear fold is 32-35 weeks
1-2 anterior sole crease is 32-33 weeks
Sits without support at what age?
7 months (6 months with support)
At what age can they play pat-a-cake
9-10 months
At 18 months, how many body parts can they ID ?
4
At what age does Moro reflex disappear?
6 months
Covered in vernix, areola raised without tissue, superior ear curving, pinna slow return from folding, 2 anterior sole creases, lanugo everywhere but the face
~34 weeks:
Vernix everywhere from 24-38 weeks
Areola raised w/o tissue: 34-35 weeks
Pinna slow folding: 32-35 weeks
Sole creases 1-2 = 32-33 weeks, 2-3 = 34-35 weeks
Lanugo: absent from face 33-37 weeks
crawls on hands and knees at what age?
Bonus: What is creeping?
9 months
Crawling with stomach still on the floor (army crawl)
What age can patient scribble?
15-18 months
Age for following 1 step commands?
15 months
Describe the stepping reflex
Hold infant in vertical position with feet in contact w flat surface. Slow alternating stepping action with flexion and extension of the legs. Disappears by 1-2 months