elchapo5234 elchapo5234

21-01-2024
Biology

Answered

During implantation, the
A) trophoblast erodes a path through the endometrium.
B) inner cell mass begins to form the placenta.
C) maternal blood vessels in the endometrium are walled off from the blastocyst.
D) entire trophoblast becomes syncytial.
E) inner cell mass is temporarily deprived of nutrients.

Answer :

Other Questions

The inner cell mass of the blastocyst will A) form the placenta. B) form the morula. C) form the embryo. D) form blood vessels of the placenta. E) provide nutri

Where in the embryo does mesoderm first appear? A) between the cell layers of the inner cell mass B) within the blastocoele C) in the chorionic villi D) above t

Which of the following statements about the trophoblast is false? A) It secretes hyalouronidase to erode endometrial cell adhesion. B) It absorbs nutrients rele

Initially, the nutrients absorbed by the trophoblast easily reach the inner cell mass by simple A) osmosis. B) diffusion. C) peristalsis. D) ciliary action. E)

The mesoderm and the trophoblast combine to form the A) amnion. B) amniotic sac. C) chorion. D) allantois. E) inner cell mass.

Which of the following is a critical event of the first trimester? A) cleavage B) implantation C) placentation D) embryogenesis E) All of the answers are correc

By the end of gestation, maternal blood volume normally increases by almost ________ percent. A) 20 B) 25 C) 50 D) 80 E) 100

A blastocyst is a(n) A) extraembryonic membrane. B) solid ball of cells. C) hollow ball of cells. D) portion of the placenta. E) origin of the urinary bladder.

Shortly after gastrulation, the body and organs of the embryo begin to form. This process is called A) cleavage. B) implantation. C) placentation. D) embryogene