N125 Lecture 4 final study Material+ Questions & 100% Correct Solutions

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N125 Lecture 4 final study Material+ Questions & 100% Correct Solutions

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N125 Lecture 4 final study Material+ Questions & 100% Correct Solutions

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N125 Lecture 4 final study Material+ Questions
& 100% Correct Solutions
afterload - ANSWER the amount of resistance the heart must overcome to eject blood
from the ventricles

preload - ANSWER pressure/ amt of stretch of ventricles just before systole

myocardial pump - ANSWER heart's ability to pump blood throughout the body

what organ is the first to be oygenated? - ANSWER the heart

most important electrolyte to check for conduction of the heart - ANSWER K+

hypovolemia - ANSWER 15% total volume loss

conditions affecting chest wall movement - ANSWER Pregnancy
• Obesity
• Musculoskeletal abnormalities
• Trauma
• Neuromuscular diseases
• CNS alterations
• Influences of chronic lung disease
Oxygenation
injury to Spinal Cord (C3-C5)
Medulla Oblongata

, · COPD
· CF

hypo/hyperventilation driven by? - ANSWER CO2

hypo/hyperventilation driven by? for COPD pt - ANSWER too much O2

hypoxia - ANSWER Low oxygen saturation of the body, not enough oxygen in the blood
<92%. COPD: <88%

Anaerobic Shock - ANSWER low [O2] creates anaerobic conditions, lactic acid is
byproduct and blood pH lowers

normal lactic acid limit - ANSWER 2mmol/L

alterations in cardiac function - ANSWER -Disturbances in conduction (drugs/alc/cig)
• Altered CO
• Left-sided heart failure
• Right-sided heart failure
• Impaired valvular function
• Myocardial ischemia
• Angina
• Myocardial infarction
Oxygenation
-Drugs Alc Tobacco

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Uploaded on: February 2, 2025
Number of pages: 12
Written in: 2024/2025
Type: Exam (elaborations)
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