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NBCOT Peds
Fetal Sensorimotor Development
Question | Answer |
---|---|
Gestational age | age of fetus or newborn in weeks from first day of mother's last normal menstrual cycle; Normal gestational period is 38-42 weeks |
first sensory system to develop | tactile; first trimester |
tactile system- 3rd trimester | touch functional, actual temperature discrimination at end of 3rd trimester; most mature sensory system at birth |
vestibular system | functioning at end of 1st trimester, not completely developed at birth |
auditory development | will begin turning to auditory sounds in 2nd trimester |
movement- 1st trimester development | sucking, hiccuping, quick generalized limb movement, positional changes, 7 1/2 weeks- will bend neck and trunk away from perioral stroke |
movement- 2nd trimester | quickening, sleep states, grasp reflex, reciprocal and symmetrical limb movements |
movement- 3rd trimester | 28 weeks- primitive motor reflexes; rooting, suck, swallow, MORO, crossed extension, palmar grasp, plantar grasp |