When the fully formed blastocyst contacts the endometrium it is called what? hat

Question

When the fully formed blastocyst contacts the endometrium it is called what? hatching fertilization ovulation implantation differentiation Which layer of cells erodes a path through the uterine epithelium? morula corona radiate Syncytial chorion enzymatic mass Which of the germ layers is a layer that migrates between the other two? ectoderm endoderm myoderm periderm Fetal hemoglobin has a greater attraction to oxygen than maternal hemoglobin. true false The umbilical vein is high in oxygen and nutrients. true false Maternal blood volume and glomerular filtration rates both increase by percentage. 25 50 75 100 Which stage of labor is when the baby is separated from the mother? dilation expulsion placental Which type of twins occurs when two separate oocytes are fertilized? dizygotic monozygotic

Explanation / Answer

24.

implantation- when fully formed blastocyst comes in contact with endometrium and ges attached to it.

25.

syncytial trophoblast erodes a path through he uerine epithelium.

26.

mesoderm migrates between other two layers.

27.

true; fetal hemoglobin has higher affinity for oxygen than maternal hemoglobin. this iis essential for the fetal hemoglobin to extraxt oxyegn from maternal blood.

28.

true; umbilical vein is rich in oxygen and nutrients and carry them to the developing fetus.

29.

during pregnancy period, maternal blood volume and glomerular filtration rate increases by 50%.

30.

expulsion is the stage when baby is propelled out of the uterus

31.

dizygotic twins develop from two different eggs.

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