Rosshall Madness 10 ; Pre Natal Development
Ten questions on pre-natal developement
- Created by: Rach Walker
- Created on: 20-04-11 23:31
Other questions in this quiz
2. What causes the attachment of an embryo to the uterus wall?
- Increased muscle contractions caused by prostaglandins.
- Secretion of somatotrophin by the anterior pituitary.
- Chorion secreting enzymes which digest part of endometrium.
- Progesterone causing embryo to meet with uterus wall.
- Antigens secrete enzymes which digest part of the uterus wall.
3. What is this process of attachment of an embryo to the uterus wall called?
- Fertilisation
- Implantation
- Cleavage
- Parturition
- Differentiation
4. How does an embryo receive food and oxygen before development of the placenta?
- From muscle tissues.
- Nutrients passed from the uterus.
- From thalidomide.
- From surrounding endometrial cells.
- By active transport which supplies embryo with glucose.
5. What happens during differentiation?
- There is a failure in the development of limbs.
- Maternal antibodies enter the baby
- Unspecialised cells become altered and adapt specific functions.
- Number of cells doubles via mitosis.
- Finger like projections are formed which develop in to placenta.
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