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Author Question: A student reviewing the anatomy and physiology of fetal circulation learns that fetal blood enters ... (Read 108 times)

kshipps

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on: Jun 28, 2018
A student reviewing the anatomy and physiology of fetal circulation learns that fetal blood enters the aorta through which structure?
 
  A.
  Ductus arteriosus
  B.
  Ductus venosus
  C.
  Foramen ovale
  D.
  Portal circulation

Question 2

A clinic nurse explains to a pregnant woman that the amount of amniotic fluid present at 7 or 8 months' gestation is approximately what volume?
 
  A.
  500 mL
  B.
  750 mL
  C.
  800 mL
  D.
  1,000 mL


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miss_1456@hotmail.com

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Reply #1 on: Jun 28, 2018
Answer to Question 1

ANS: A
Most blood enters the aorta through the ductus arteriosus, which is a channel between the pulmonary artery and the descending aorta. The ductus venosus connects the umbilical vein to the inferior vena cava. The foramen ovale is an opening between the atria of the heart. Most blood bypasses the liver (portal circulation).

Answer to Question 2

ANS: C
Amniotic fluid first appears at about 3 weeks. There is approximately 30 mL of amniotic fluid present at 10 weeks of gestation, and this amount increases to approximately 800 mL at 24 weeks of gestation. After that time, the total fluid volume remains fairly stable until it begins to decrease slightly as the pregnancy reaches term.


kshipps

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Reply 2 on: Jun 28, 2018
Excellent

dawsa925

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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