100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
NU 327 Pathophysiology Exam 3 Study Guide with Verified Solutions $12.49   Add to cart

Exam (elaborations)

NU 327 Pathophysiology Exam 3 Study Guide with Verified Solutions

 2 views  0 purchase
  • Course
  • 2024/2025
  • Institution
  • 2024/2025

NU 327 Pathophysiology Exam 3 Study Guide with Verified Solutions Ventilation - Answer-Moving air into and throughout the lungs to the capillaries Perfusion - Answer-how much blood to the area Diffusion - Answer-Movement of gas from an area of high concentration to an area of low concentration...

[Show more]

Preview 4 out of 58  pages

  • October 16, 2024
  • 58
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • 2024/2025
  • 2024/2025
avatar-seller
Emillect
EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024




NU 327 Pathophysiology Exam 3 Study
Guide with Verified Solutions

Ventilation - Answer✔✔-Moving air into and throughout the lungs to the capillaries


Perfusion - Answer✔✔-how much blood to the area


Diffusion - Answer✔✔-Movement of gas from an area of high concentration to an area of low

concentration




Oxygen diffuses out of alveoli into blood




Carbon dioxide diffusion out of blood into alveoli


Cilia - Answer✔✔-Line the trachea and bronchi


Defense against "invaders"


Cough reflex


Impaired function


impaired cilia - Answer✔✔-Smoking


Increased mucous production

Page 1/58

,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


ETOH


Temperature changes


Low humidity


Type 1 alveoli cell - Answer✔✔-gas exchange


Type 2 alveoli cell - Answer✔✔-surfactant


Right lung - Answer✔✔-Upper lobe


Middle lobe


Lower lobe


Left lung - Answer✔✔-upper lobe


lower lobe


Bronchial artery system - Answer✔✔-Supplies oxygenated blood to lungs and pleura


Neural control of breathing - Answer✔✔-Medulla oblongota


Pons


Referred to as the "respiratory center" of the brain


Stretch receptors - Answer✔✔-Prevents overstretch


Neonates


Proprioceptors - Answer✔✔-sense exercise, increase respiratory rate


Page 2/58

,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


Chemoreceptors - Answer✔✔-increase in PCO2 and a decrease in pH


Baroreceptors - Answer✔✔-sense changes in pressure


Factors effecting perfusion - Answer✔✔-Fluid volume within lung


Fluid shifts


Interstitial edema


Alveolar edema


Pulmonary Capillary network - Answer✔✔-"Low pressure" system


Normal pressure 22/8 to 25/8 mm Hg


Can expand to 2-3 times its normal size


25% pulmonary capillaries perfused at rest


Pulmonary Blood Flow Zone 1 - Answer✔✔-minimal perfusion


Pulmonary Blood Flow Zone 2 - Answer✔✔-intermittent perfusion


Pulmonary Blood Flow Zone 3 - Answer✔✔-continual perfusion


Ventilation/perfusion ratios - Answer✔✔-Adequate volume of air matched with an adequate

blood flow




Normal:


Page 3/58

, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


Ventilation (VA) 4 L/min alveolar air flow


Perfusion (Q) 5 L/min capillary blood flow




Normal VA/Q ratio = 0.8


High Va/Q - Answer✔✔-increased Va, Normal Q


***pulmonary embolus


Low Va/Q - Answer✔✔-Getting blood but not breathing


airway constriction


responsive to O2


**Asthma/Pneumonia


Shunt Va/Q - Answer✔✔-no ventilation


not responsive to O2


due to alveolar collapse


**Acute respiratory failure


Methods of oxygen transport - Answer✔✔-Dissolved in Plasma (PaO2)


Bound to Hemoglobin (SaO2)


PaO2 - Answer✔✔-partial pressure of oxygen in arterial blood


Page 4/58

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Emillect. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

79223 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$12.49
  • (0)
  Add to cart