Psychomotor Development

Question 1

layers of neural tube

Answer 1

Outer marginal layer
Middle layer
Inner layer

Question 2

what does outer marginal layer form

Answer 2

white matter

Question 3

what does middle layer form

Answer 3

grey matter

Question 4

what does inner layer form

Answer 4

lining of ventricles in brain

Question 5

Psychomotor development:

Answer 5

progressive attainment of skills involving both mental + muscular activity eg infant sit, crawl, turn over, toddler walk, walk, control bladder + bowel functions, start solving cognitive problems

Question 6

what does neural tube form in 4th week

Answer 6

prosencephalon, mesencephalon (will form midbrain), rhombencephalon

Question 7

what does prosencephalon divide into in 5th week

Answer 7

telencephalon + diencephalon

Question 8

what does rhombencephalon divide into

Answer 8

metencephalon + myelencephalon

Question 9

what does neural ectoderm thicken into

Answer 9

neural plate

Question 10

what happens when neural plate edges fold upwards

Answer 10

neural groove

Question 11

what happens when neural folds go further up

Answer 11

pinch of ectoderm

Question 12

what do neural crest cells form

Answer 12

ganglia