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BIO 669 Assignment 3 Pulmonary and Renal System Latest updated 2022,100% CORRECT
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BIO 669 Assignment 3 Pulmonary and Renal System Latest updated 2022 Pulmonary and Renal System Ms. MC is a 59 yo woman with long history of smoking 1-1.5 packs/day (20+ years) but is no longer smoking. She notices that she fatigues quickly, is often short of breath, coughs frequently and has an...

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  • November 25, 2022
  • 15
  • 2022/2023
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BIO 669 Assignment 3 Pulmonary and Renal System Latest
updated 2022
Pulmonary and Renal
System

Ms. MC is a 59 yo woman with long history of smoking 1-1.5 packs/day (20+

years) but is no longer smoking. She notices that she fatigues quickly, is often

short of breath, coughs frequently and has ankle swelling. She has trouble

sleeping but noted some improvement with extra pillows. You note an increase in

anteroposterior chest diameter, prolonged expiratory phase with wheezing. She

also has cyanosis of nailbeds with moderate pitting edema bilaterally. Lab tests

reveal Hgb is high normal, PaO2 is low at 48 mmHg, O2 saturation is at 80%, PCO2

is significantly elevated (70 mmHg) and HCO3- is also elevatedabove normal (35

mEq/L). Your diagnosis is a combination of chronic bronchitis and emphysema

(COPD). Pulmonary function tests revealed a decrease in Vital Capacity and

Expiratory Flow Rate combined with an increase in both Residual Capacity and

Functional Residual Capacity. These types of tests could also reveal other

conditions, such as asthma, as well as guide treatment to prevent significant

attacks.

1). What changes occurred in her airways that led to obstruction and

increased airway resistance? (Hint: View it in two parts: 1) the airway changes

and 2) the alveolar tissue changes relating to elasticity and compliance).


This study source was downloaded by 100000802531269 from CourseHero.com on 11 -25-2022 11:12:51 GMT -06:00


https://www.coursehero.com/file/116606308/Assignment3PulmonaryandRenalSystemdocx/

, 2
(Pulmonary System MO2,3,5,7,8,23,26)



Chronic bronchitis and emphysema are the two most common conditions that

make up chronicobstructive pulmonary disease (COPD). The most important

cause of COPD is smoking cigarettes(John Hopkins Medicine, 2021b). Ms. MC has

20+ year history of cigarette smoking that has directly impacted her health.

According to John Hopkins Medicine (2021), chronic bronchitis causes

inflammation of the bronchi, common in people who smoke cigarettes. It is

defined as, “hypersecretion of mucus and




This study source was downloaded by 100000802531269 from CourseHero.com on 11 -25-2022 11:12:51 GMT -06:00


https://www.coursehero.com/file/116606308/Assignment3PulmonaryandRenalSystemdocx/

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