Podcast
Questions and Answers
What condition is characterized by impaired ventilation-perfusion matching leading to increased gas exchange issues?
What condition is characterized by impaired ventilation-perfusion matching leading to increased gas exchange issues?
- Asthma
- Cystic fibrosis
- Hypertension
- Emphysema (correct)
Which of the following is a common effect of impaired diffusion in the lungs?
Which of the following is a common effect of impaired diffusion in the lungs?
- Dehydration
- Hypotension
- Hyoxemia (correct)
- Hypertension
Which of the following is a key function of the heart related to perfusion?
Which of the following is a key function of the heart related to perfusion?
- Digestion
- Respiration
- Cardiac output (correct)
- Osmosis
What primary issue can arise from altered cardiac output?
What primary issue can arise from altered cardiac output?
Which clinical model is directly related to altered perfusion and presents a risk for myocardial infarction?
Which clinical model is directly related to altered perfusion and presents a risk for myocardial infarction?
What is a potential consequence of sodium loss due to vomiting?
What is a potential consequence of sodium loss due to vomiting?
Which of the following is NOT a common cause of potassium loss?
Which of the following is NOT a common cause of potassium loss?
Which fluid tonicity would cause cells to swell due to water influx?
Which fluid tonicity would cause cells to swell due to water influx?
What is the primary role of the bicarbonate buffer system in acid-base balance?
What is the primary role of the bicarbonate buffer system in acid-base balance?
Which condition is characterized by an excess of fluid in the body compartments?
Which condition is characterized by an excess of fluid in the body compartments?
Flashcards
Gas diffusion
Gas diffusion
The process by which oxygen moves from the alveoli into the blood and carbon dioxide moves from the blood into the alveoli.
Perfusion
Perfusion
The process by which the body delivers oxygenated blood to the tissues and removes waste products. It involves the heart, blood vessels, and blood.
Ventilation-perfusion mismatch
Ventilation-perfusion mismatch
A state where the amount of air reaching the alveoli doesn't match the amount of blood flowing through the capillaries surrounding them, impacting gas exchange.
Altered cardiac output
Altered cardiac output
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Asthma
Asthma
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Normal Extracellular Electrolyte Values
Normal Extracellular Electrolyte Values
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What do electrolytes do?
What do electrolytes do?
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Metabolic Acidosis
Metabolic Acidosis
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How does ventilation work?
How does ventilation work?
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Tonicity: Isotonic, Hypertonic, and Hypotonic Fluids
Tonicity: Isotonic, Hypertonic, and Hypotonic Fluids
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Study Notes
Chapter 8: Altered Fluid and Electrolyte Balance
- Electrolytes have specific functions in the body
- Imbalances can occur due to various factors (vomiting, diarrhea, diuretic use, kidney failure, etc.)
- Body regulates fluid intake and excretion through various processes
- Fluid movement between cells, tissues, and circulation is crucial
- Conditions like hypovolemia, hemorrhage, dehydration, water intoxication, and hypervolemia impact fluid balance
- Fluid balance is linked to conditions like cirrhosis and dehydration
Chapter 9: Altered Acid-Base Balance
- Maintaining physiological pH is vital for cell and tissue function
- Buffer systems (3) regulate pH levels
- Imbalances in pH can lead to various consequences
Chapter 15: Altered Ventilation and Diffusion
- Ventilation and diffusion are crucial for gas exchange
- Impaired ventilation can lead to issues like hypoxemia and hypercapnia
- Respiratory conditions (COPD, asthma) can impair ventilation and diffusion
- Ventilation-perfusion mismatch is a critical concept
- Measuring and treating impaired ventilation and diffusion are crucial
Chapter 16: Altered Perfusion
- Perfusion involves the flow of blood through the circulatory system, critical for delivering oxygen and nutrients to tissues
- Pathway of blood flow from ventilation to perfusion through the circulatory system
- Impaired perfusion can lead to a variety of health issues
- Conditions like shock, myocardial infarction, and heart failure result from altered perfusion.
- Diagnoses associated with altered perfusion include COPD, asthma, and cystic fibrosis, as well as hypertension.
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