Chapter 22, 23, And 24

60 Questions | Total Attempts: 36

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Blood Quizzes & Trivia

Respiratory tract, urinary tract


Questions and Answers
  • 1. 
    The respiratory tract
    • A. 

      Includes the mouth, pharynx (throat) and esophagus

    • B. 

      Contains conductance, resistance, and exchange structures

    • C. 

      Is lined with serous pleural membranes and cilia

    • D. 

      Begins with the nose and mouth and ends at the bronchioles

  • 2. 
    Contraction and relaxation of the diaphragm and intercostal muscles 
    • A. 

      Is responsible for ventilation

    • B. 

      Determines the resistance to airflow through the bronchioles

    • C. 

      Is due to the firing of the vagus nerve

    • D. 

      Expands the size of the mediastinum

  • 3. 
    Contraction and relaxation of the diaphragm and intercostal muscles
    • A. 

      Has no effect on ventilation

    • B. 

      Determines the resistance to airflow through the bronchioles

    • C. 

      Is due to the firing of the vagus nerve

    • D. 

      Changes thoracic volume

  • 4. 
    Which of the following is least related to the alveoli?
    • A. 

      Part of the bronchial tree

    • B. 

      Surfactant-containing

    • C. 

      Contains smooth muscle that determines the flow of air through the respiratory passages

    • D. 

      Site of exchange of respiratory gases

  • 5. 
    Which of the following prevents the collapse of the trachea?
    • A. 

      Tracheal walls that have thick layers of smooth muscle

    • B. 

      Epiglottis

    • C. 

      The pressure within the eustachian tube

    • D. 

      Cartilaginous rings

  • 6. 
    The Adam's apple
    • A. 

      Enlarges in response to estrogen at puberty

    • B. 

      Are the male vocal cords

    • C. 

      Refers to the adult male thyroid cartilage

    • D. 

      Is the thyroid gland that has been enlarged by testosterone at puberty

  • 7. 
    The bronchi, bronchioles, and alveoli are
    • A. 

      All concerned with the exchange of respiratory gases

    • B. 

      Upper respiratory structures

    • C. 

      Collectively referred to as the bronchial tree

    • D. 

      Lined by pleural membranes

  • 8. 
    Which of the following statements is true of the right bronchus?
    • A. 

      Food and small objects are more likely to be aspirated into the right bronchus because it is more vertical and larger than the left bronchus

    • B. 

      The right bronchus has an opening to the pleural cavity

    • C. 

      Oxygen content is higher in the right bronchus than the left bronchus

    • D. 

      The right bronchus is bigger than the left bronchus, so it has higher levels of carbon dioxide

  • 9. 
    The diameter of the bronchioles determines the 
    • A. 

      Amount of mucus secreted by the respiratory mucous membrane

    • B. 

      The intrapleural pressure

    • C. 

      Air flow through the bronchioles to the alveoli

    • D. 

      The rate of ventilation

  • 10. 
    Pulmonary edema refers to the collection of fluid in and around this structure
    • A. 

      Bronchi

    • B. 

      Trachea

    • C. 

      Alveoli

    • D. 

      Diaphragm

  • 11. 
    Contraction of the diaphragm
    • A. 

      Increases thoracic volume

    • B. 

      Increases intrapleural pressure

    • C. 

      Increases intrapulmonic pressure

    • D. 

      Causes exhalation

  • 12. 
    The lungs contain the 
    • A. 

      Inspiratory and expiratory neurons

    • B. 

      Structures of the bronchial tree

    • C. 

      Pharynx, larynx, and trachea

    • D. 

      Pleural membranes

  • 13. 
    Which of the following best describes the visceral and parietal pleura?
    • A. 

      Line the inner wall of the trachea and bronchi

    • B. 

      Line the mediastinum

    • C. 

      Are serous membranes

    • D. 

      Are surfactant-secreting membranes

  • 14. 
    What normally "lives" in the intrapleural space?
    • A. 

      Mucus

    • B. 

      Air

    • C. 

      Serous fluid

    • D. 

      Surfactant

  • 15. 
    Which of the following makes it easier for the alveoli to open?
    • A. 

      Water

    • B. 

      Serous fluid

    • C. 

      Surfactant

    • D. 

      Mucus

  • 16. 
    A deficiency of surfactant causes
    • A. 

      Alveolar collapse

    • B. 

      Anaphylaxis

    • C. 

      Upper respiratory obstruction

    • D. 

      An increase in thoracic volume

  • 17. 
    If intrapleural pressure equals or exceeds intrapulmonic pressure
    • A. 

      Surfactant secretion ceases

    • B. 

      The lung collapses

    • C. 

      The larynx can no longer generate sound

    • D. 

      Pulmonary edema develops

  • 18. 
    Which of the following does not occur on inhalation?
    • A. 

      Air moves into the lungs

    • B. 

      Thoracic volume increases

    • C. 

      The diaphragm contracts

    • D. 

      Pressure within the intrapleural space becomes positive

  • 19. 
    Which of the following occurs on exhalation?
    • A. 

      Inspiratory neurons fire rapidly and continuously

    • B. 

      The diaphragm contracts

    • C. 

      Intrapleural pressure becomes positive

    • D. 

      Thoracic volume decreases

  • 20. 
    Which of the following describes Boyle's law?
    • A. 

      An increase in thoracic volume causes an increase in intrapleural pressure

    • B. 

      There is no relationship between intrapulmonic pressure and thoracic volume

    • C. 

      An increase in thoracic volume decreases intrapulmonic pressure

    • D. 

      An increase in thoracic volume forces air out of the lungs

  • 21. 
    Which of the following is not true of the salivary glands?
    • A. 

      Include the parotid, submandibular, and sublingual glands

    • B. 

      Secrete the most important of the digestive enzymes

    • C. 

      Secrete approximately 1 liter of saliva/day

    • D. 

      Secrete ptyalin

  • 22. 
    The epiglottis
    • A. 

      Covers the glottis, thereby preventing the entrance of food and water into the respiratory structures

    • B. 

      Is the sphincter that prevents gastric reflux

    • C. 

      Is a structure within the mouth

    • D. 

      Is a valve that prevents the reflux of bile into the main pancreatic duct

  • 23. 
    The esophagus
    • A. 

      Secretes potent proteolytic enzymes

    • B. 

      Secretes intrinsic factor that is necessary for the absorption of vitamin B12

    • C. 

      Is a hollow tube that carries food from the pharynx to the stomach

    • D. 

      Has a sphincter at each end; the LES and the pyloric sphincter

  • 24. 
    The stomach
    • A. 

      Digests and absorbs most dietary fat

    • B. 

      Is lined with microvilli to maximize absorption

    • C. 

      Is attached distally to the jejunum and proximally to the esophagus

    • D. 

      Delivers chyme to the duodenum at the proper rate

  • 25. 
    With which word is deglutition most associated?
    • A. 

      Chewing

    • B. 

      Excreting waste

    • C. 

      Swallowing

    • D. 

      Emulsifying

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