You are working in the emergency department and a patient arrives who has severe shortness of breath. His medical record states that he has a long time history of COPD. You place the patient on a 100% non-rebreather mask and 5 minutes later you notice he is lethargic and his respiratory rate is 4 breaths/minute. What is the best explanation as to why the patient began to hypoventilate (RR down to 4 breaths/min)? A. He died because he was working so hard to breathe B. O2 suppresses the patient's drive to breathe if the partial pressure of CO2(paCO2) is 20-23mm Hg C. O2 therapy suppresses some COPD patients drive to breathe D. All of the above
You are working in the emergency department and a patient arrives who has severe shortness of breath. His medical record states that he has a long time history of COPD. You place the patient on a 100% non-rebreather mask and 5 minutes later you notice he is lethargic and his respiratory rate is 4 breaths/minute. What is the best explanation as to why the patient began to hypoventilate (RR down to 4 breaths/min)? A. He died because he was working so hard to breathe B. O2 suppresses the patient's drive to breathe if the partial pressure of CO2(paCO2) is 20-23mm Hg C. O2 therapy suppresses some COPD patients drive to breathe D. All of the above
Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
Problem 1SRQ
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You are working in the emergency department and a patient arrives who has severe shortness of breath. His medical record states that he has a long time history of COPD. You place the patient on a 100% non-rebreather mask and 5 minutes later you notice he is lethargic and his respiratory rate is 4 breaths/minute. What is the best explanation as to why the patient began to hypoventilate (RR down to 4 breaths/min)?
A. He died because he was working so hard to breathe
B. O2 suppresses the patient's drive to breathe if the partial pressure of CO2(paCO2) is 20-23mm Hg
C. O2 therapy suppresses some COPD patients drive to breathe
D. All of the above
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