NUR 148 Test 1

NUR 148 Test 1
1. What are monozygotic twins?
Answer
One fertilized ovum splits into two; genetically identical; aka identical twins
2. What are dizygotic twins?
Answer
Two ova fertilized by separate sperm; can be same or different sex; aka fraternal twins
3. What are the functions of the placenta?
Answer
-act as endocrine gland
Answer
produces hCG, hCS, progesterone, and estrogen
-gives fetus oxygen and removes CO2
-synthesis of glycogen, cholesterol, and fatty acids
-provides fetus with nutrients and removes waste products
4. What are the functions of amniotic fluid?
Answer
-maintain constant fetal body temp
-oral fluid
-collects some waste
-cushions fetus from blunt trauma
-allows freedom of movement so muscles and skeletal system can develop
-essential for lung development
-prevents compression on umbilical cord
-prevents membranes from sticking to fetus
5. What are the three fetalshunts and their functions?

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