Child Development: Fetal Sensorimotor Development

Question 1

Describe the 2nd trimester muscle spindle development.

Answer 1

Motor end plate forms

Clonus response to stretch

Question 2

Describe the 3rd trimester muscle spindle development.

Answer 2

Some muscles are mature and functional - others are still developing

Question 3

The vestibular system is functioning at the end of the ___ trimester, but it is not fully developed

Answer 3

First

Question 4

Describe the 2nd trimester touch/tactile system development.

Answer 4

Receptors differentiate

Question 5

Describe the 3rd trimester touch/tactile system development.

Answer 5

Touch is functional, actual temperature discrimination (at end of third trimester),

Question 6

The _____ system is the most mature system at birth

Answer 6

Touch/tactile

Question 7

Describe the 2nd trimester visual system development.

Answer 7

Startle to light, visual processing occurs

Question 8

Describe the 3rd trimester visual system development.

Answer 8

Fixation occurs, able to focus (fixed local length)

Question 9

Describe the 2nd trimester auditory system development.

Answer 9

Will turn to auditory sounds

Question 10

Describe the 3rd trimester auditory system development.

Answer 10

Debris in middle ear, loss of hearing

Question 11

Describe the 3rd trimester olfactory system development.

Answer 11

Nasal plus disappear, some olfactory perception

Question 12

Describe the 3rd trimester taste system development.

Answer 12

Can respond to different tastes (sweet, sour, bitter, salt)

Question 13

Describe the 2nd trimester movement development.

Answer 13

Quickening, sleep states, grasp reflex, reciprocal and symmetrical limb movements

Question 14

Describe the 3rd trimester movement development.

Answer 14

28 weeks primitive motor reflexes, rooting, suck, swallow, palmar grasp, plantar grasp, MORO, crossed extension