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Author Question: What percentage of right ventricular output is circulated through the fetal lungs? a. 10 b. 35 ... (Read 121 times)

nmorano1

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on: Jul 16, 2018
What percentage of right ventricular output is circulated through the fetal lungs?
 
  a. 10
  b. 35
  c. 75
  d. 100

Question 2

What would be a normal P50 for a fetus?
 
  a. 10
  b. 15
  c. 20
  d. 25


Sierray

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: A
As a result, 90 of the blood flow entering the pulmonary artery takes the path of least re-sistance by shunting through the ductus arteriosus and flows to the aorta. Only 10 flows into the lungs.

Answer to Question 2

ANS: C
Figure 9-6 illustrates how the increased O2 affinity is manifested by a leftward shift of the fetal oxyhemoglobin dissociation curve. The P50 (PO2 that saturates 50 of the hemoglobin) is 6 to 8 mm Hg less than adult hemoglobin (HbA), which indicates the degree of the shift toward higher affinity.


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nmorano1

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Reply #2 on: Jul 16, 2018
Correct answers!


Sierray

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Reply #3 on: Jul 16, 2018
Great! Please up vote :D


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