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Author Question: The nursing instructor is explaining mechanisms of substance transport across the placenta. Which ... (Read 61 times)

iveyjurea

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The nursing instructor is explaining mechanisms of substance transport across the placenta. Which substances require facilitated diffusion? (Select all that apply.)
 
  A.
  Carbon dioxide
  B.
  Fatty acids
  C.
  Globulins
  D.
  Glucose
  E.
  Oxygen

Question 2

The perinatal nurse explains to a student the different mechanisms by which substances are transported across the placenta. Which mechanisms are included? (Select all that apply.)
 
  A.
  Active diffusion
  B.
  Bulk flow
  C.
  Endocytosis
  D.
  Osmosis
  E.
  Pinocytosis



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DylanD1323

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Answer to Question 1

ANS: D, E
Glucose and oxygen require facilitated diffusion to cross the placenta. Carbon dioxide and fatty acids move by simple diffusion. Globulins move via pinocytosis and endocytosis.

Answer to Question 2

ANS: A, B, C, E
Several mechanisms exist to transport substances across the placenta. These include passive or simple diffusion, facilitated diffusion, active diffusion, pinocytosis, endocytosis, bulk flow, accidental capillary breaks, and independent movement.




iveyjurea

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Reply 2 on: Jun 28, 2018
:D TYSM


samiel-sayed

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Reply 3 on: Yesterday
Wow, this really help

 

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