Respiration and Ventilation Quiz
30 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

What is the formula for alveolar ventilation (VA)?

  • $VA = (VT - VD) \times frequency$ (correct)
  • $VA = VT - VD$
  • $VA = VT + VD$
  • $VA = \frac{VT}{VD} \times frequency$

    • What does the oxyhemoglobin dissociation curve shift to the left from?

  • Decrease in PO2
  • Increase in blood pH (correct)
  • Decrease in temperature
  • Increase in CO2

    • What is the function of central chemoreceptors in the body?

  • Detect pH (correct)
  • Decrease resistance in airways with exercise
  • Detect hypoxia and hypercapnia
  • Located in the brain

    • What is the normal blood pH at rest?

    <p>7.4</p> Signup and view all the answers

    What is the effect of CO2 on blood pH, which causes a decrease in the affinity of oxygen for hemoglobin?

    <p>Bohr effect</p> Signup and view all the answers

    What is the primary function of peripheral chemoreceptors in the body?

    <p>Detect hypoxia and hypercapnia</p> Signup and view all the answers

    What does the arterial-venous oxygen (a-vO2) difference indicate?

    <p>Difference in energy production/consumption</p> Signup and view all the answers

    What is the primary factor that increases hemoglobin's saturation with oxygen as it increases?

    <p>PO2</p> Signup and view all the answers

    What is the effect of training on capillarization?

    <p>Increases capillarization</p> Signup and view all the answers

    What is the formula for minute ventilation (VE)?

    <p>$VE = VT \times frequency$</p> Signup and view all the answers

    What is the definition of exercise-induced arterial hypoxemia (EIAH)?

    <p>Condition when O2 carried in arterial blood is severely reduced</p> Signup and view all the answers

    What are the adverse cardiovascular effects of diabetes?

    <p>Increases BP</p> Signup and view all the answers

    What are the direct benefits of physical activity?

    <p>Helps pulmonary system</p> Signup and view all the answers

    What are ergogenic aids?

    <p>Substances (or devices) that enhance energy production, use, or recovery and provide athletes with a competitive edge</p> Signup and view all the answers

    What is blood doping?

    <p>Increase # of RBCs to enhance oxygen capacity</p> Signup and view all the answers

    What is the atmospheric pressure at sea level?

    <p>760 mm Hg</p> Signup and view all the answers

    What happens to venous blood saturation as workload increases?

    <p>Decreases and plateaus around 80%</p> Signup and view all the answers

    What is the definition of ventilation?

    <p>Not a linear increase, with break points where it increases faster</p> Signup and view all the answers

    What is the definition of A-a (alveolar to arterial) PO2 difference?

    <p>Difference in PO2 between alveolar and arterial blood</p> Signup and view all the answers

    What is the definition of O2 extraction from blood?

    <p>Plateaus around 50% max work rate</p> Signup and view all the answers

    What is the formula for minute ventilation (VE)?

    <p>VE = frequency * tidal volume</p> Signup and view all the answers

    What is the definition of hyperpnea?

    <p>Increased depth and rate of breathing</p> Signup and view all the answers

    What does the VD/VT ratio measure?

    <p>Measure of gas exchange efficiency</p> Signup and view all the answers

    What is the Triphasic response in relation to ventilation?

    <p>3 phases of response</p> Signup and view all the answers

    What does the term 'ventilatory drift' refer to?

    <p>Rise in ventilation after a period of exercise</p> Signup and view all the answers

    What is the physiological dead space primarily due to?

    <p>Non-perfused alveoli</p> Signup and view all the answers

    What is the main factor influencing minute ventilation (VE)?

    <p>Work rate</p> Signup and view all the answers

    What is the formula for physiological dead space (VD)?

    <p>1mL/body weight</p> Signup and view all the answers

    What is the percentage of oxygen in room air?

    <p>21%</p> Signup and view all the answers

    What is the main function of tidal ventilation?

    <p>Initial increase in minute ventilation</p> Signup and view all the answers

    More Like This

    Respiration and Ventilation Quiz
    30 questions

    Respiration and Ventilation Quiz

    HonorableCelebration avatar
    HonorableCelebration
    Respiration and Ventilation Quiz
    40 questions

    Respiration and Ventilation Quiz: Test Your Knowledge

    HonorableCelebration avatar
    HonorableCelebration
    Respiration and Ventilation Quiz
    85 questions

    Respiration and Ventilation Quiz

    SplendidJudgment avatar
    SplendidJudgment
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser