Cardiac Output and Blood Flow Regulation Overview

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What is the major inspiratory muscle of respiration?

Diaphragm (correct)

Rectus abdominis

Pectoralis minor

Intercostal muscles

Which condition is NOT mentioned as a factor that can change the structure and function of the pulmonary system?

Heart failure (correct)

COPD

Cystic fibrosis

Asthma

Ineffective gas exchange in the lungs is most commonly due to problems with:

Perfusion

Diffusion

Ventilation (correct)

Respiration

Which nerve innervates the diaphragm, the major inspiratory muscle of respiration?

Phrenic nerve Signup and view all the answers

Which condition can lead to decreased oxygen-carrying capacity of the blood?

Anemia Signup and view all the answers

What factor can increase cardiac output?

Exercise Signup and view all the answers

Which factor can lead to hypoventilation?

Airway obstruction Signup and view all the answers

What is a common factor that can affect oxygenation physiologically?

Obesity Signup and view all the answers

Which condition can lead to inadequate tissue oxygenation at the cellular level?

Decreased diffusion of oxygen from the alveoli to the blood Signup and view all the answers

What is the main cause of myocardial infarction?

Plaque buildup in cardiac arteries Signup and view all the answers

What respiratory effect does atelectasis (collapse of alveoli) have on the body?

Causes hypoventilation Signup and view all the answers

In patients with COPD, why can excessive amounts of oxygen cause hypoventilation?

Decreased hypoxic drive to breathe (PaO2) Signup and view all the answers

Cardiac Output and Blood Flow Regulation Overview

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Questions and Answers

What is the major inspiratory muscle of respiration?

Which condition is NOT mentioned as a factor that can change the structure and function of the pulmonary system?

Ineffective gas exchange in the lungs is most commonly due to problems with:

Which nerve innervates the diaphragm, the major inspiratory muscle of respiration?

Which condition can lead to decreased oxygen-carrying capacity of the blood?

What factor can increase cardiac output?

Which factor can lead to hypoventilation?

What is a common factor that can affect oxygenation physiologically?

Which condition can lead to inadequate tissue oxygenation at the cellular level?

What is the main cause of myocardial infarction?

What respiratory effect does atelectasis (collapse of alveoli) have on the body?

In patients with COPD, why can excessive amounts of oxygen cause hypoventilation?

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