BYU Anatomy 220 Final Exam review || Error-free Answers 100%.
Teratogen correct answers Anything that causes a birth defect
Most dangerous during embryonic period because of oraganogenesis
Fetal Alcohol Syndrome (FAS) correct answers Growth Retardation
Heart Defects
Microcephally
Mental Retardation
Zygote correct answers Genetics combine
Cleavage correct answers Cell division
Morula correct answers 16 cells
Blastocyst correct answers 100 cells
Implantation occurs at correct answers 7-10 days
Fertilization occurs at correct answers Day 1
Blastocyst is composed of correct answers Inner cell mass or Embryoblast (becomes embryo)
Trophoblast (becomes fetal part of placenta)
2 layers of the Trophoblast correct answers Cytotrophoblast - inner layer
Syncytiotrophoblast - outer layer
, Chorion correct answers Creates the fetal part of the placenta,
formed by two layers of trophoblast
Epiblast forms the correct answers embryo, amnion
Hypoblast forms the correct answers Yolk sac - which keeps the baby alive until placenta
Gastrulation correct answers epiblast cells invaginate through the primitive streak towards the
hypoblast.
Transverse Folding correct answers Left and right sides of embryo curve toward the midline
Cephalocaudal Folding correct answers In head and tail regions,
Creates future head and buttocks
Four types of Tissue correct answers Connective Tissue
Muscle Tissue
Epithelial tissue
Nervous tissue
Simple Squamous Epithelium correct answers Lung air sacs, lining of blood vessels, good for
filtration
Simple Cuboidal Epithelium correct answers Absorption, Secretion
Simple Columnar epithelium correct answers Absorption, secretion, movement
Teratogen correct answers Anything that causes a birth defect
Most dangerous during embryonic period because of oraganogenesis
Fetal Alcohol Syndrome (FAS) correct answers Growth Retardation
Heart Defects
Microcephally
Mental Retardation
Zygote correct answers Genetics combine
Cleavage correct answers Cell division
Morula correct answers 16 cells
Blastocyst correct answers 100 cells
Implantation occurs at correct answers 7-10 days
Fertilization occurs at correct answers Day 1
Blastocyst is composed of correct answers Inner cell mass or Embryoblast (becomes embryo)
Trophoblast (becomes fetal part of placenta)
2 layers of the Trophoblast correct answers Cytotrophoblast - inner layer
Syncytiotrophoblast - outer layer
, Chorion correct answers Creates the fetal part of the placenta,
formed by two layers of trophoblast
Epiblast forms the correct answers embryo, amnion
Hypoblast forms the correct answers Yolk sac - which keeps the baby alive until placenta
Gastrulation correct answers epiblast cells invaginate through the primitive streak towards the
hypoblast.
Transverse Folding correct answers Left and right sides of embryo curve toward the midline
Cephalocaudal Folding correct answers In head and tail regions,
Creates future head and buttocks
Four types of Tissue correct answers Connective Tissue
Muscle Tissue
Epithelial tissue
Nervous tissue
Simple Squamous Epithelium correct answers Lung air sacs, lining of blood vessels, good for
filtration
Simple Cuboidal Epithelium correct answers Absorption, Secretion
Simple Columnar epithelium correct answers Absorption, secretion, movement
