OT 325 Study Guide - Quiz Guide: Umbilical Cord, Stethoscope, Neural Tube

• School: Quinnipiac University
• Department: Occupational Therapy
• Course: OT 325
• Professor: Val

Document Summary

38-40 weeks/9 months trimesters= 1st (1-3 mo) 2nd (3-6 mo) 3rd (3-9 mo) 2/3 of all human embryos fail to grow or implant. Fetal peroiod (weeks 9-38, months 2-9) basics: embryo is now called fetus, heartbeat becomes stronger (heard through stethoscope, digestive and excretory systems develop, brain development. Month 3-5 (weeks 12-20): fetus becomes active, facial features and limbs are distinguishable, heartbeat via stethoscope (end of 4th month, can suck thumb, swallow, hiccup. Month 5-7 (weeks 20-28: nails and hair form, eyes and eyelids distinguishable, more movement- grasping reflex, sex organs distinguishable, fetus is viable at 22 weeks= can live on its own outside mother! Neuronal migration= neurons moving to appropriate locations (6-24. First trimester (months 1-3): neurons move from l to r and start to connect. B/w first and second trimester (months 1-6): basic architecture of brain weeks) Third trimester (months 6-9) to 2 years old: connectivity and functioning of neurons.