Respiratory System Anatomy Quiz
29 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 main function of the conducting zone in the respiratory system?

  • To let air go in and out (correct)
  • To provide oxygen for cellular respiration
  • To remove carbon dioxide
  • To regulate the volume of air that enters the lungs
  • Which structure separates the right and left nostrils in the nasal cavity?

  • Conchae
  • Root
  • Septum (correct)
  • Bridge
  • What is the function of defensins in the respiratory system?

  • To regulate the acid-base balance
  • To fight infections (correct)
  • To regulate the volume of air that enters the lungs
  • To warm and humidify air
  • Where are the Eustachian tubes located in relation to the nasal cavity?

    <p>In the nasopharynx area</p> Signup and view all the answers

    What function do the vocal cords serve in the respiratory system?

    <p>To create a deeper sound</p> Signup and view all the answers

    Which structure closes the trachea while swallowing food?

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

    What is the main cause of alkaline pH in the blood due to hyperventilation?

    <p>Increased ventilation</p> Signup and view all the answers

    At what altitude can Hemoglobin saturation drop to about 67%?

    <p>19,000 feet</p> Signup and view all the answers

    What is the main concern during exercise at higher altitudes?

    <p>Low oxygen reserve in veins</p> Signup and view all the answers

    What altitude range is associated with Acute Mountain Sickness (AMS)?

    <p>8000 ft. or higher</p> Signup and view all the answers

    How is Acute Mountain Sickness (AMS) typically treated?

    <p>Descending to a lower altitude</p> Signup and view all the answers

    What is a significant milestone in fetal development around week 20?

    <p>Start of fetal breathing movement</p> Signup and view all the answers

    What is the function of alveolar macrophages?

    <p>To clean debris and kill pathogens</p> Signup and view all the answers

    What is the purpose of the respiratory zone in the lungs?

    <p>To exchange gases</p> Signup and view all the answers

    What is the role of the tertiary bronchus in the lungs?

    <p>To supply air to specific lung segments</p> Signup and view all the answers

    What happens during bronchoconstriction in the respiratory system?

    <p>Airways constrict to reduce airflow</p> Signup and view all the answers

    Which pressure allows the lungs to remain inflated?

    <p>Transpulmonary pressure</p> Signup and view all the answers

    What is the condition known as anatomical dead space?

    <p>Air that never reaches the alveoli</p> Signup and view all the answers

    Which parameter controls the respiratory rate in humans?

    <p>Oxygen concentration</p> Signup and view all the answers

    What is the primary role of the diaphragm during breathing?

    <p>To create a pressure gradient for lung expansion</p> Signup and view all the answers

    Which term refers to the total volume of air that can be moved in and out of the lungs?

    <p>Vital capacity (VC)</p> Signup and view all the answers

    Which statement is true about tidal volume (TV)?

    <p>It's the amount of air entering the lungs during quiet breathing.</p> Signup and view all the answers

    Which group in the medulla oblongata sends signals to accessory muscles for forced inspiration and forced expiration?

    <p>Ventral respiratory group (VRG)</p> Signup and view all the answers

    What happens to the breathing rate when carbon dioxide levels in the blood increase?

    <p>Breathing rate increases</p> Signup and view all the answers

    Which chemical detected by chemoreceptors can easily cross the blood-brain barrier?

    <p>Carbon dioxide</p> Signup and view all the answers

    Which phenomenon causes a high level of oxygen in the alveoli to trigger pulmonary arterioles dilation?

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

    What effect does a high pressure of carbon dioxide in the alveoli have?

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

    Which gas law states that the greater the solubility and partial pressure of a gas, the greater the number of molecules will dissolve in a liquid?

    <p>'Henry's Law'</p> Signup and view all the answers

    What does hyperpnea refer to?

    <p>An increase in rate and depth of ventilation</p> Signup and view all the answers

    More Like This

    Respiratory System and Nose Anatomy
    30 questions
    Respiratory System Anatomy Quiz
    28 questions
    Respiratory System Anatomy Quiz
    32 questions
    Respiratory System Anatomy Quiz
    27 questions
    Use Quizgecko on...
    Browser
    Browser