1014 Systems Coupling Summary
36 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is a mechanism that increases oxygen uptake by muscles during exercise?

  • Decreased pulmonary blood flow
  • Decreased cardiac output
  • Constriction of selected peripheral vascular beds (correct)
  • Decreased extraction of O2 from blood perfusing the muscles

    • What is the relationship between pulmonary blood flow and oxygen uptake from the alveoli?

  • They are directly proportional (correct)
  • They are unrelated
  • They are inversely proportional
  • Pulmonary blood flow has no effect on oxygen uptake

    • What is the formula for minute CO2 output?

  • CO2 = E × PaCO2/PB
  • CO2 = A × PaCO2/PB (correct)
  • CO2 = E × PaO2/PB
  • CO2 = A × PaO2/PB

    • What is the formula for minute alveolar ventilation?

    <p>A = E/VT (D)</p> Signup and view all the answers

    What is the relationship between minute ventilation and CO2 output during moderate work intensities?

    <p>They are directly proportional (C)</p> Signup and view all the answers

    What is the effect of metabolic acidosis on ventilation during heavy and very heavy work intensities?

    <p>Increases ventilation (C)</p> Signup and view all the answers

    What is the formula for minute alveolar CO2 partial pressure?

    <p>PaCO2 = E × CO2/PB (C)</p> Signup and view all the answers

    What is the effect of heavy exercise on the increase in cardiac output?

    <p>It is relatively small compared to the increase in metabolic rate (A)</p> Signup and view all the answers

    What is the effect of increased extraction of O2 from the blood perfusing the muscles during exercise?

    <p>Increased oxygen uptake by the muscles (A)</p> Signup and view all the answers

    What is the effect of metabolic acidosis on ventilation during moderate work intensities?

    <p>Has no effect on ventilation (D)</p> Signup and view all the answers

    What is the effect of recruitment and vasodilation of pulmonary blood vessels during exercise?

    <p>Increases pulmonary blood flow (B)</p> Signup and view all the answers

    What is the effect of minute ventilation on CO2 output during exercise?

    <p>Increases CO2 output (D)</p> Signup and view all the answers

    Which of the following is a mechanism that increases oxygen uptake by muscles during exercise?

    <p>Constriction of selected peripheral vascular beds (A)</p> Signup and view all the answers

    What is the relationship between pulmonary blood flow and oxygen uptake from the alveoli?

    <p>They are directly proportional (C)</p> Signup and view all the answers

    What is the formula for minute CO2 output?

    <p>CO2 = A × PaCO2/PB (A)</p> Signup and view all the answers

    What is the formula for minute alveolar ventilation?

    <p>A = E/VT (C)</p> Signup and view all the answers

    What is the relationship between minute ventilation and CO2 output during moderate work intensities?

    <p>They are directly proportional (D)</p> Signup and view all the answers

    What is the effect of metabolic acidosis on ventilation during heavy and very heavy work intensities?

    <p>Increases ventilation (B)</p> Signup and view all the answers

    What is the formula for minute alveolar CO2 partial pressure?

    <p>PaCO2 = E × CO2/PB (C)</p> Signup and view all the answers

    What is the effect of heavy exercise on the increase in cardiac output?

    <p>It is relatively small compared to the increase in metabolic rate (B)</p> Signup and view all the answers

    What is the effect of increased extraction of O2 from the blood perfusing the muscles during exercise?

    <p>Increased oxygen uptake by the muscles (B)</p> Signup and view all the answers

    What is the effect of metabolic acidosis on ventilation during moderate work intensities?

    <p>Has no effect on ventilation (A)</p> Signup and view all the answers

    What is the effect of recruitment and vasodilation of pulmonary blood vessels during exercise?

    <p>Increases pulmonary blood flow (C)</p> Signup and view all the answers

    What is the effect of minute ventilation on CO2 output during exercise?

    <p>Increases CO2 output (D)</p> Signup and view all the answers

    Which of the following mechanisms contributes the most to the large increase in oxygen use by muscles during exercise?

    <p>Increased extraction of O2 from the blood perfusing the muscles (D)</p> Signup and view all the answers

    What is the relationship between oxygen uptake (O2) and pulmonary blood flow?

    <p>O2 uptake is directly proportional to pulmonary blood flow (D)</p> Signup and view all the answers

    What is the equation that relates CO2 output to alveolar ventilation, arterial or ideal alveolar CO2 partial pressure, and barometric pressure?

    <p>CO2 = A × PaCO2/PB (B)</p> Signup and view all the answers

    What is the relationship between minute ventilation (E) and the newly produced CO2 arriving at the lungs?

    <p>E increases in relation to the newly produced CO2 (A)</p> Signup and view all the answers

    What is the formula for minute ventilation (E)?

    <p>E = VT × f (D)</p> Signup and view all the answers

    What is the relationship between alveolar ventilation (A) and arterial or ideal alveolar CO2 partial pressure?

    <p>A is inversely proportional to arterial or ideal alveolar CO2 partial pressure (A)</p> Signup and view all the answers

    What is the term used to describe the increase in ventilation to provide respiratory compensation for metabolic acidosis?

    <p>Respiratory alkalosis (B)</p> Signup and view all the answers

    What is the term used to describe the increase in pulmonary blood flow by recruitment and vasodilation of pulmonary blood vessels during exercise?

    <p>Pulmonary recruitment (D)</p> Signup and view all the answers

    What is the term used to describe the amount of air that does not participate in gas exchange, but fills the airways?

    <p>Dead space ventilation (C)</p> Signup and view all the answers

    What is the term used to describe the increase in ventilation to provide respiratory compensation for metabolic alkalosis?

    <p>Respiratory alkalosis (B)</p> Signup and view all the answers

    What is the relationship between minute ventilation (E) and CO2 output?

    <p>E is directly proportional to CO2 output (A)</p> Signup and view all the answers

    What is the term used to describe the increase in cardiac output during exercise?

    <p>Cardiac output reserve (D)</p> Signup and view all the answers

    More Like This

    1014 - Personnel Complaints
    10 questions

    1014 - Personnel Complaints

    PatriMoldavite avatar
    PatriMoldavite
    BMS 1014 - Healthcare Science: Types of Microbes Quiz
    32 questions

    BMS 1014 - Healthcare Science: Types of Microbes Quiz

    NeatestCynicalRealism avatar
    NeatestCynicalRealism
    Home Depot Quiz 1014
    26 questions

    Home Depot Quiz 1014

    ImprovingSocialRealism4496 avatar
    ImprovingSocialRealism4496
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser