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Author Question: When creating a visual aid to show the mechanics of inhaling, the nurse correctly illustrates which ... (Read 78 times)

penguins

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on: Jun 25, 2018
When creating a visual aid to show the mechanics of inhaling, the nurse correctly illustrates which scenario?
 
  a. The diaphragm moves downward.
  b. The negative pressure of the lung converts to positive pressure.
  c. The muscles contract and pull the rib cage downward.
  d. The bronchi enlarge.

Question 2

The nurse explains that the mechanism that triggers rate and depth of respiration is based on which factor?
 
  a. Ease of respiration.
  b. Alveolar pressure.
  c. Patency of bronchi.
  d. Blood pH.


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Expo

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Reply #1 on: Jun 25, 2018
Answer to Question 1

A
On inspiration, the diaphragm moves down, increasing the area of negative pressure, muscles pull the rib cage up, and the positive-pressure room air flows into the negative-pressure lungs.

Answer to Question 2

D
Chemoreceptors in the brainstem and carotid arteries measure hydrogen concentration, as well as CO2 and O2, to trigger respiration rate to correct the excessive CO2.


penguins

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Reply 2 on: Jun 25, 2018
Gracias!

pangili4

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Reply 3 on: Yesterday
Wow, this really help

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