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NUR 419 Final Exam - Normal Pregnancy Questions And Answers
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NUR 419 Final Exam - Normal Pregnancy Questions And Answers
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Solution 2024/2025Pepper
NUR 419 Final Exam - Normal Pregnancy
Questions And Answers
Stages of Fetal Development: ANS✔✔ 1. Pre-embryonic [fertilization through 2nd week]
2. Embryonic [end of 2nd week through 8th week]
3. Fetal [end of 8th week until birth]
Stages of Fetal Development - Pre-embryonic: ANS✔✔ [fertilization through 2nd week]
- Union of the ovum and the sperm
- Blastocyst [becomes embryo and amnion]
- Trophoblast [becomes the chorion to form the placenta]
- Implantation [attachment and placental formation]
Stages of Fetal Development - Embryonic stage: ANS✔✔ [end of 2nd week through 8th week]
- Basic structures of all major bod organs and external features form
- Amnion and chorion form amniotic fluid
* Most crucial part of pregnancy
Stages of Fetal Development - Fetal Stage: ANS✔✔ [end of 8th week until birth]
Zygote: ANS✔✔ Fertilized human egg
How long does implantation take? ANS✔✔ 7-8 days
Embryonic Layers: ANS✔✔ 1. ectoderm
2. mesoderm
, Solution 2024/2025
Pepper
3. endoderm
Ectoderm: ANS✔✔ outermost germ layer
Forms:
- CNS
- Special senses
- Skin
- Glands
Mesoderm: ANS✔✔ middle germ layer
Forms:
- Skeletal system
- Urinary system
- Circulatory system
- Reproductive organs
- Lungs [epithelial layers]
Endoderm: ANS✔✔ the inner germ layer
Forms:
- Lungs [inner layers]
- Liver
- Pancreas
- Digestive system
When does the fetal heart start beating? ANS✔✔ 5 weeks gestation
Amniotic fluid: ANS✔✔ - Cushions baby and cord [protects from trauma]
, Solution 2024/2025
Pepper
- Goes through kidneys
- Helps the lungs to develop
- Keeps baby at regulated temp
- Resistance for muscle growth
Oligohydraminos: ANS✔✔ Little to no amniotic fluid [less than 500 mL]
- Can result in renal problems
- See variables [risk for cord compression]
Hydramnios: ANS✔✔ excessive amniotic fluid [more than 2,000 mL]
- Uterus expands rapidly
- associated with fetal anomalies of development
Umbilical cord: ANS✔✔ "lifeline" from mother to fetus
- One large vein, two small arteries
- Whartons jelly [protects vessels in the cord]
Placenta: ANS✔✔ Serves as the interface between mom and fetus
- Diffusion
- Filtration
- Teratogens can pass through
Teratogens: ANS✔✔ Agents that damage the process of development of the fetus
- Drugs
- Alcohol
- Tobacco
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