This topic contains a solution. Click here to go to the answer

Author Question: Which of the following pathophysiologic conditions can increase both the peak inspiratory pres-sure ... (Read 37 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
Which of the following pathophysiologic conditions can increase both the peak inspiratory pres-sure and the Pplateau of a ventilated patient?
 
  a. Asthma c. Kyphoscoliosis
  b. Atelectasis d. Pulmonary intersti-tial fibrosis

Question 2

Which of the following variables in the formula describing Poiseuille's law can be altered in the clinical setting to improve Raw?
 
  1. Radius of the airways
  2. Viscosity of the inspired gas
  3. Flow rate of the inspired gas
  4. Temperature of the inspired gas
  5. Length of the tracheobronchial tree
  a. 1 and 3 c. 2, 3, and 5
  b. 1, 4, and 5 d. 1, 2, and 3



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nanny

  • Sr. Member
  • ****
  • Posts: 313
Answer to Question 1

ANS: A
An asthma exacerbation causes bronchospasm, which increases Raw, thereby triggering an in-crease in peak inspiratory pressure without an increase in Pplateau.

Answer to Question 2

ANS: D
Poiseuille's law is represented by the formula Raw = 8  gas flow  gas viscosity  airway length   radius4. Bronchospasm causes a decrease in the radius of the airways. Bronchodilators can reverse that process, thereby decreasing the Raw. High flow rates cause more turbulence and in-creased Raw. During mechanical ventilation, the flow rate of the gas being delivered can be changed by the respiratory therapist. Helium-oxygen (heliox) is used in respiratory care, not be-cause of its viscosity, but because of its low density. An 80:20 mix of heliox is the least-dense gas available for human use, but it has a viscosity higher than room air. So, heliox does not im-prove Raw. It does, however, make its way around any airway obstruction.




leilurhhh

  • Member
  • Posts: 560
Reply 2 on: Jul 16, 2018
YES! Correct, THANKS for helping me on my review


Mochi

  • Member
  • Posts: 300
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

For a complete list of videos, visit our video library