omprehensive Exam #1 DPT 2023 with 100% correct answers

Independent sitting starts around what month 8-9 months Prone with supported elbows start what months of age 2-3 months crawling starts when 6-7 months creeping starts 8-9 months independent sitting starts 7-8 months cruising starts when 10-11 months walking starts 12 months Ectoderm, Mesoderm, and Endoderm give rise to what Ectoderm: Skin, spinal cord, brain, hair, teeth, sensory organs mesoderm: muscle, skeleton, blood, circulatory system Endoderm: inner organs (respiratory system, digestive system, etc) list the 3 stages of pregancy and what is the baby called during each stage 1. germinal stage - zygote 2. Embryonic stage - embryo 3. Fetal stage - fetus what is blastocyst and when during development does it occur blastocyst isattachment of organism to the wall of uterus; whens during germinal stage of pregancy teratogens agents, such as chemicals and viruses, that can reach the embryo or fetus during prenatal development and cause harm types of reversible cell injury 1. hyperplasia 2. atrohpy 3. hypertrophy