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Author Question: Which of the following diseases or disorders is most likely to result in an increased VD/VT ratio? ... (Read 40 times)

geoffrey

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on: Jul 16, 2018
Which of the following diseases or disorders is most likely to result in an increased VD/VT ratio?
 
  a. Atelectasis
  b. Pneumonia
  c. Pulmonary embolus
  d. Pulmonary fibrosis

Question 2

Blockage of the pulmonary arterial circulation to a portion of the lung would cause which of the following?
 
  a. Decrease in anatomical dead space
  b. Decrease in physiologic dead space
  c. Increase in alveolar dead space
  d. Increase in anatomical dead space


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jlaineee

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

ANS: C
VD/VT increases with diseases that cause significant dead space, such as pulmonary embolism.

Answer to Question 2

ANS: C
A pulmonary embolus blocks a portion of the pulmonary circulation. This obstructs perfusion to ventilated alveoli, creating alveolar dead space.


geoffrey

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Reply 2 on: Jul 16, 2018
Gracias!

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Reply 3 on: Yesterday
Wow, this really help

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