nystagmus Review & Practice Sheet Exercise D. Application and Analysis 46 1. Wha
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nystagmus Review & Practice Sheet Exercise D. Application and Analysis 46 1. What is the function of each of the four extraembryonic membranes : SigestAve in Furn ermos aCS as etra olk ryonic also Prevents How does a fetus obtain nutrienis and gases from the maternal blood? exchange o Amnion; Protets the ebryo while gmme ccono embryo Allantois' Storts the nt o re 2. E. Clinical Challenge 1. A patient who is five weeks' pregnant starts to experience abdominal pain and a bloody discharge from her vagina. An ultrasound procedure indicates damage to the left uterine tube. How does this condition affect her pregnancy?Explanation / Answer
D.2)From the very beginning, the developing cells need oxygen and nutrients.The fetus recieves its nutrients from the mother through placenta and umbilical cord.
The placenta contains a collection of thin tissues known as blood barriers that permits some particles to flow between bloodstream of mother while restricting others. The placenta transfers oxygen and nutrients from mothers blood to placenta and wastes from placental blood to mother's blood.I t also produces hormones such as human chorionic gonadotropin hormones or hcg , estrogen, progesterone to signal baby's need to the mother.
As the food passes through digestive system of mother it break downs into small particles the body can absorb. These nutrients travel through mothers blood to the placenta. In addition to this ingested food, mothers body also break down muscle, fat and bones to provide proteins, fat and calcium to the fetus.
E.) Ectopic pregnancy occurs at 5 - 10 weeks of pregnancy.It is a pregnancy that develops outside the uterus. This occurs when egg from the ovary does not or implant itself in the uterus. The most common place where ectopic pregnancy occurs is fallopian tube. It can also be found outside the uterus , on the ovaries or attached to bowel.
Ruptured ectopic pregnancy is a true medical emergency.
Most common complication is rupture with internal bleeding which may lead to hypovolemic shock. In the first trimester, it mostly causes maternal death.
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