growthanddevpartial

Question 1

length computation

Answer 1

ht in cms: age in yrs x5 +80; ht in in: age in yrs x2 +32; at 3yrs old = 3ft; at 4yrs = 2xBL; at 13yrs = 3x BL

Question 2

DEV GROSS

Answer 2

2mos:head in midline; 3mos: head control in prone; 4mos:rolls over(sup to pro); 6mos: sits with support; 8mos: sits without support; 9 mos: stands holding on; creeps; 11mos:walks holding on; 12mos: walks alone; 15mos: walk well; 18mos: walks backwards; 24mos: runs well up and down the stairs

Question 3

DEV FINE

Answer 3

2mos:fixates and follows objects past midline; 3mos: hands together; 4mos: grasps rattle; 5mos: reaches objects and puts in mouth; 8mos: transfers objects; 9mos: holds bottle; pincer grasp; 12mos:throws toys: 15mos: drinks from cup; scribbles; 2 cubes; 18mos:initiates vertical lines; 2-4stacks; 24mos: imitates circular stroke;6 stacks

Question 4

DEV RECEPTIVE

Answer 4

1mo:involuntary smile; 2mos: social smile; 3mo: turns head to sound; 4mos: orients to voice sideways; 7mos: responds to name calling; 8mos: responds to no; 10 months: understands gestures; 12mos: 1-step command with gestures; 15mos: 1-step command without gesture; 18mos: points to body parts; 2-step commands; points to 1 pic; 24mos: points at 1 body part; at least 4 commands; 2.5yrs:full name; sex; colors

Question 5

DEV EXPRESSIVE

Answer 5

1mo:gurgling sound; 2mos: vocalizes; 3mos: coos; squeals; 4mos: laughs aloud; 5mos: agoo; 6mos: babbling; 8mos: indiscriminate mama papa; 10mos: discriminate mama papa; 11mos: mama papa +1 word; 12mos: 2-word vocabulary; 15mos: 3words other than mama papa`; jargons; asks for objects by pointing; 18mos:6-10 word vocabulary; intelligible jargon; 24mos: 2-3 word sentences; 2.5yrs: names 1 pic; speech halfunderstandable

Question 6

DEV SOCIAL

Answer 6

3mos:regards own hand; 4mos:play with rattle placed in hand; 5mos:smiles at mirror image; 6mos:stretches arms to be taken; 7mos: feeds self with crackers; 8mos: peek-a-boo; close open; 9 mos:STRANGER anxiety; waves bye; OBJECT PERMANENCE; 12mos:kisses on request; 18mos:turns 2-3 pages at a time; uses spoon well; 24mos: removes/puts on clothes; brushes teeth; toilet trained by day

Question 7

at what age does a baby attains 90% if adult head size; complete myelinization of the brain

Answer 7

2years old

Question 8

at what age is there explosion in the language capabilities

Answer 8

2yrs old(20-50 words spoken at the end of 2nd year)