Human Anatomy Chapter 25 Respiratory System

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Human Anatomy Chapter 25 Respiratory System
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2015-05-05 09:47:28
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Human Anatomy Chapter 25 Respiratory System
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  1. Which of the following is not a function of the respiratory system?

    A)provide an area for gas exchange between air and circulating blood
    B)condition gases before they reach the exchange surfaces of the lungs
    C)defend respiratory system and other tissues against inhaled bacteria
    D)transport air to and from the cells and tissues throughout the body
    D)transport air to and from the cells and tissues throughout the body
    (this multiple choice question has been scrambled)
  2. Which selection includes only upper respiratory tract components?

    A)nose, mouth, pharynx, and larynx
    B)larynx, trachea, bronchi, and lungs
    C)bronchi, respiratory bronchioles, and alveoli
    D)nose, nasal cavity, paranasal sinuses, and pharynx
    D)nose, nasal cavity, paranasal sinuses, and pharynx
    (this multiple choice question has been scrambled)
  3. The lower respiratory tract extends from the ____________ to the ____________, inclusive.

    A)pharynx; alveolar sacs
    B)trachea; alveoli
    C)larynx; alveoli
    D)pharynx; lungs
    C)larynx; alveoli
    (this multiple choice question has been scrambled)
  4. The functional division of the respiratory system that transports air (as opposed to exchanging gases with the blood) is called the

    A)upper respiratory tract
    B)lower respiratory tract
    C)respiratory portion
    D)conducting portion
    D)conducting portion
    (this multiple choice question has been scrambled)
  5. Air filtration and conditioning, olfaction, and sound resonance are all functions of the

    A)pharynx
    B)oral cavity
    C)nasal cavity
    D)larynx
    C)nasal cavity
    (this multiple choice question has been scrambled)
  6. Which term describes the part of the nasal cavity contained within the flexible tissues of the external nose?

    A)dorsum nasi
    B)vibrissa
    C)external nares
    D)vestibule
    D)vestibule
    (this multiple choice question has been scrambled)
  7. What composes the nasal septum?

    A)the vomer
    B)perpendicular plate of the ethmoid bone
    C)septal cartilage
    D)all of the above
    D)all of the above
  8. The passages that conduct air from the vestibule to the internal nares are the

    A)superior, middle, and inferior nasal conchae
    B)superior, middle, and inferior meatuses
    C)superior, middle, and inferior turbinates
    D)hard palate, soft palate, and nasopharynx
    B)superior, middle, and inferior meatuses
    (this multiple choice question has been scrambled)
  9. Regions of the pharynx include which of the following?

    A)nasopharynx
    B)oropharynx
    C)laryngopharynx
    D)all of the above
    D)all of the above
  10. Which selection correctly pairs a pharyngeal region with its lining?

    A)oropharynx; nonkeratinized stratified squamous epithelium
    B)nasopharynx; nonkeratinized stratified squamous epithelium
    C)laryngopharynx; pseudostratified ciliated columnar epithelium
    D)none of the above
    A)oropharynx; nonkeratinized stratified squamous epithelium
    (this multiple choice question has been scrambled)
  11. A short, somewhat cylindrical airway with cartilaginous walls stabilized by ligaments and muscles best describes which of the following?

    A)pharynx
    B)larynx
    C)laryngopharynx
    D)trachea
    B)larynx
    (this multiple choice question has been scrambled)
  12. Cartilages of the larynx include all of the following except the

    A)corniculate and cuneiform cartilages
    B)lateral cartilages and alar cartilages
    C)arytenoid cartilages and epiglottis
    D)thyroid cartilage and cricoid cartilage
    B)lateral cartilages and alar cartilages
    (this multiple choice question has been scrambled)
  13. The spoon-shaped ____________, composed mostly of elastic cartilage, closes over the laryngeal opening when a person swallows.

    A)glottis
    B)epiglottis
    C)aryepiglottic fold
    D)laryngeal prominence
    B)epiglottis
    (this multiple choice question has been scrambled)
  14. The posterior wall of the trachea consists of

    A)tracheal cartilages and anular ligaments
    B)a mucosa and a submucosal layer
    C)the trachealis muscle and an elastic membrane
    D)both b and c
    D)both b and c
    (this multiple choice question has been scrambled)
  15. The carina of the trachea is an internal ridge formed by

    A)both a and b
    B)the inferior most tracheal cartilage
    C)two fused anular ligaments
    D)an infolding of the trachealis muscle
    B)the inferior most tracheal cartilage
    (this multiple choice question has been scrambled)
  16. Compared with the left primary bronchus, the right primary bronchus is

    A)wider
    B)longer
    C)more horizontally oriented
    D)all of the above
    A)wider
    (this multiple choice question has been scrambled)
  17. Each primary bronchus divides to form secondary bronchi, which in turn branch to form

    A)numerous bronchiole
    B)lobar bronchi
    C)segmental bronchi
    D)ten tertiary bronchi in the left lung and eight in the right
    C)segmental bronchi
    (this multiple choice question has been scrambled)
  18. All of the lung tissue supplied by a single tertiary bronchus is called a

    A)tertiary lobule
    B)lobe
    C)bronchopulmonary segment
    D)pulmonary lobule
    C)bronchopulmonary segment
    (this multiple choice question has been scrambled)
  19. The walls of which parts of the bronchial tree contain no cartilage and are instead dominated by smooth muscle tissue?

    A)primary bronchi
    B)tertiary bronchi
    C)secondary bronchi
    D)terminal bronchioles
    D)terminal bronchioles
    (this multiple choice question has been scrambled)
  20. Which of the following is false regarding the respiratory membrane?

    A)carbon dioxide diffuses across the membrane from the blood into the alveolar lumen
    B)it is the only barrier between the blood and the inhaled gases within each alveolus
    C)oxygen cannot diffuse through the membrane and so must be actively transported
    D)basement membranes of alveolar type I cells and their adjacent capillaries are fused
    C)oxygen cannot diffuse through the membrane and so must be actively transported
    (this multiple choice question has been scrambled)
  21. On each side of the chest, the ____________ pleura lines the internal thoracic wall, while the ____________ pleura tightly covers the lung.

    A)parietal; visceral
    B)fibrous; serous
    C)visceral; parietal
    D)thoracic; pulmonary
    A)parietal; visceral
    (this multiple choice question has been scrambled)
  22. In normal, unforced breathing, ____________ involves muscular contractions while ____________ requires no active muscular effort.

    A)expiration, inspiration
    B)eupnea, hyperpnea
    C)inhalation, exhalation
    D)exhalation, inhalation
    C)inhalation, exhalation
    (this multiple choice question has been scrambled)
  23. Which muscles of respiration are used during normal quiet breathing?

    A)scalenes and internal intercostals
    B)external intercostals and diaphragm
    C)transversus abdominis and serratus anterior
    D)rectus abdominis and internal obliques
    B)external intercostals and diaphragm
    (this multiple choice question has been scrambled)
  24. Which muscles assist exhalation by depressing the ribs?

    A)external intercostals, scalenes, and serratus posterior superior
    B)pectoralis minor, sternocleidomastoid, and serratus anterior
    C)internal intercostals, transversus thoracis, and serratus posterior inferior
    D)all of the above
    C)internal intercostals, transversus thoracis, and serratus posterior inferior
    (this multiple choice question has been scrambled)
  25. All of the following are true of the fetal respiratory system except

    A)the lungs receive little blood because the pulmonary vessels are collapsed
    B)the epithelial linings of alveoli are initially too thick for respiration
    C)the lungs and conducting passageways contain small amounts of air
    D)alveolar type II cells start secreting pulmonary surfactant around week 28
    C)the lungs and conducting passageways contain small amounts of air
    (this multiple choice question has been scrambled)
  26. Sympathetic and parasympathetic axons that surround the primary bronchi and enter the lungs at the hilum compose the

    A)parabronchial network
    B)asthmatic reflex pathway
    C)pleural respiratory center
    D)pulmonary plexus
    D)pulmonary plexus
    (this multiple choice question has been scrambled)
  27. Which pair does not correctly match a regulatory respiratory center with its location?

    A)respiratory center, medulla oblongata
    B)inspiratory center, midbrain
    C)apneustic center, pons
    D)pneumotaxic center, pons
    B)inspiratory center, midbrain
    (this multiple choice question has been scrambled)
  28. Which regulatory center of the brain establishes the rate and depth of both inspiration and expiration?

    A)dorsal respiratory group
    B)respiratory center
    C)ventral respiratory group
    D)pneumotaxic center
    B)respiratory center
    (this multiple choice question has been scrambled)
  29. Inspiration is inhibited in two ways by the

    A)apneustic center
    B)pneumotaxic center
    C)ventral respiratory
    D)dorsal respiratory group
    B)pneumotaxic center
    (this multiple choice question has been scrambled)
  30. The elastic tissues in the lungs and thoracic cavity wall deteriorate with advancing age, resulting in

    A)less efficient gas exchange within the lungs
    B)a buildup of pollutants in the lymph nodes and lungs
    C)an increased incidence and severity of emphysema
    D)decreased flexibility of the costal cartilages
    A)less efficient gas exchange within the lungs
    (this multiple choice question has been scrambled)
  31. The respiratory system assists the cardiovascular and lymphatic systems in

    A)regulating blood volume
    B)regulating blood pressure
    C)controlling body fluid pH
    D)all of the above
    D)all of the above
  32. Which pair does not correctly match a respiratory passageway with its primary opening(s) for receiving inhaled air?

    A)vestibule; external nares
    B)nasopharynx; choanae
    C)oropharynx; fauces
    D)trachea; rima glottidis
    C)oropharynx; fauces
    (this multiple choice question has been scrambled)
  33. Of the following, which structure is a component of both the lower respiratory tract and the conducting portion of the respiratory system?

    A)laryngopharynx
    B)larynx
    C)alveolar duct
    D)oropharynx
    B)larynx
    (this multiple choice question has been scrambled)
  34. Which one of the following does not accurately characterize the epithelial lining of the respiratory tract?

    A)it changes from simple columnar to simple cuboidal epithelium within progressively smaller bronchioles
    B)goblet cells and mucous glands in the lamina propria secrete a watery, lubricating fluid
    C)cilia in the larger passageways sweep trapped debris toward the pharynx, where it is swallowed
    D)it is mostly pseudostratified ciliated columnar epithelium with numerous goblet cells
    B)goblet cells and mucous glands in the lamina propria secrete a watery, lubricating fluid
    (this multiple choice question has been scrambled)
  35. Which pair are lined with the same two different kinds of epithelia?

    A)nasopharynx and oropharynx
    B)trachea and bronchi
    C)pharynx and larynx
    D)oropharynx and laryngopharynx
    C)pharynx and larynx
    (this multiple choice question has been scrambled)
  36. Which structure consists of a narrow opening with ligamentous lateral walls that both guard the passage into the lower respiratory tract and vibrate to produce sound?

    A)trachea
    B)glottis
    C)epiglottis
    D)larynx
    B)glottis
    (this multiple choice question has been scrambled)
  37. The lining of the trachea consists of a pseudostratified ciliated columnar epithelium and an underlying lamina propria; together, these constitute the

    A)submucosa
    B)serosa
    C)mucosa
    D)trachealis
    C)mucosa
    (this multiple choice question has been scrambled)
  38. Which paranasal sinuses are located deepest within the skull, or farthest posterior to the face?

    A)ethmoidal
    B)frontal
    C)maxillary
    D)sphenoid
    D)sphenoid
    (this multiple choice question has been scrambled)
  39. Which statement about the respiratory tract is false?

    A)the trachea is part of the lower respiratory tract but not of the bronchial tree
    B)stratified epithelia occur only in parts of the tract shared by another system
    C)the inferior end of the bronchial tree is also the end of the conducting portion
    D)the upper respiratory tract includes components of both functional portions
    D)the upper respiratory tract includes components of both functional portions
    (this multiple choice question has been scrambled)
  40. Even if all the defenses in the conducting portion of the respiratory tract fail, ____________ may still destroy pathogens before they can enter the body fluids.

    A)cytotoxic T-lymphocytes
    B)alveolar macrophages
    C)NK cells in the elastic tissues of the lungs
    D)macrophages in the pulmonary lymph nodes
    B)alveolar macrophages
    (this multiple choice question has been scrambled)
  41. An important function of the fluid in the pleural cavity is to

    A)provide lubrication for movements of the diaphragm
    B)provide a medium for the exchange of respiratory gases
    C)permit the exchange of electrolytes during respiration
    D)reduce friction between the visceral and parietal pleurae
    D)reduce friction between the visceral and parietal pleurae
    (this multiple choice question has been scrambled)
  42. Branches or tributaries of which vessels carry oxygenated blood through the tissues of the lungs?

    A)pulmonary and bronchial veins
    B)pulmonary veins and bronchial arteries
    C)pulmonary and bronchial arteries
    D)pulmonary arteries and bronchial veins
    B)pulmonary veins and bronchial arteries
    (this multiple choice question has been scrambled)
  43. Autonomic stimulation via the vagus nerves causes what response within the lungs?

    A)forced exhalation
    B)bronchodilation
    C)deeper inhalation
    D)bronchoconstriction
    D)bronchoconstriction
    (this multiple choice question has been scrambled)
  44. Impulses transmitted by the ____________ nerves cause the smooth muscle in the walls of bronchioles to ____________.

    A)cardiac; relax
    B)vagus; relax
    C)pulmonary; contract
    D)thoracic; contract
    A)cardiac; relax
    (this multiple choice question has been scrambled)
  45. In the control of respiration by the regulatory centers of the brain, what stimulates activity in the dorsal respiratory group?

    A)output from the apneustic center or VRG
    B)any inhibition of the respiratory center
    C)activation of the pneumotaxic center
    D)all of the above
    A)output from the apneustic center or VRG
    (this multiple choice question has been scrambled)
  46. Arrange the following to reflect the path of airflow that results from activation of the VRG (some structures are omitted): (1) terminal bronchiole (2) segmental bronchus (3) primary bronchus (4) alveolar duct (5) trachea

    A)1, 4, 3, 2, 5
    B)4, 1, 2, 3, 5
    C)5, 2, 3, 4, 1
    D)5, 3, 2, 1, 4
    B)4, 1, 2, 3, 5
    (this multiple choice question has been scrambled)
  47. According to Boyle's law, intrapulmonary pressure should ____________ when the diaphragm or external intercostal muscles contract.

    A)equal atmospheric pressure
    B)increase
    C)remain constant
    D)decrease
    D)decrease
    (this multiple choice question has been scrambled)
  48. In prematurely born infants, hyaline membrane disease is associated with inadequate production of ____________ by ____________ cells.

    A)mucin; goblet
    B)lysozyme; mucous gland
    C)surfactant; alveolar type II
    D)glycoproteins; alveolar type I
    C)surfactant; alveolar type II
    (this multiple choice question has been scrambled)
  49. Babies that sleep on their stomachs are now known to be at greater risk of

    A)asphyxiation
    B)SIDS (crib death)
    C)developmental delays
    D)all of the above
    B)SIDS (crib death)
    (this multiple choice question has been scrambled)
  50. Ultimately, the harmful effects of cystic fibrosis are attributable to ____________, caused by a defective gene.

    A)hypersecretion of sodium chloride
    B)excessive, dilute mucus in the lungs
    C)hyposecretion of pancreatic enzymes
    D)osmotic imbalance in gland cells
    D)osmotic imbalance in gland cells
    (this multiple choice question has been scrambled)
  51. Which of the following result from the presence of free air in the pleural cavity?

    A)hydrothorax and hemothorax
    B)pneumothorax and atelectasis
    C)empyema and emphysema
    D)all of the above
    B)pneumothorax and atelectasis
    (this multiple choice question has been scrambled)
  52. Of the following, which condition most directly involves structures in the respiratory portion of the respiratory tract?

    A)epistaxis
    B)asthma
    C)bronchitis
    D)emphysema
    D)emphysema
    (this multiple choice question has been scrambled)
  53. Smoking is a very dangerous habit because

    A)it causes emphysema and significantly increases the risk and severity of atherosclerosis
    B)it is directly implicated in cancers of the lung, esophagus, stomach, and urinary bladder
    C)second-hand smoke may trigger bronchitis, ear infections, and asthma in children
    D)all of the above
    D)all of the above
  54. Which type of lung cancer has histological ties to the nervous and endocrine systems and tends to metastasize very early?

    A)squamous cell carcinoma
    B)small-cell carcinoma
    C)large-cell carcinoma
    D)adenocarcinoma
    B)small-cell carcinoma
    (this multiple choice question has been scrambled)
  55. Asthma is most similar to ____________ localized in the bronchi and bronchioles.

    A)a pulmonary embolism
    B)an immune response
    C)pneumonia
    D)acute bronchitis
    B)an immune response
    (this multiple choice question has been scrambled)
  56. The visceral pleura covers the

    A)outer surface of the lung.
    B)gas exchange surface of the alveoli.
    C)inner wall of the thoracic cavity.
    D)lining of the bronchi and bronchioles only.
    A)outer surface of the lung.
    (this multiple choice question has been scrambled)
  57. An area common to both the respiratory and digestive systems through which food, drink, and air pass is the

    A)nasopharynx.
    B)trachea.
    C)oropharynx.
    D)glottis.
    C)oropharynx.
    (this multiple choice question has been scrambled)
  58. Which statement is false about the trachea?

    A)It is continuous superiorly with the larynx.
    B)It contains C-shaped cartilage rings.
    C)It bifurcates into left and right primary bronchi at the level of the sternal angle.
    D)It is lined with a nonkeratinized stratified squamous epithelium.
    D)It is lined with a nonkeratinized stratified squamous epithelium.
    (this multiple choice question has been scrambled)
  59. Which structure is the last, smallest portion of the conducting portion of the respiratory system?

    A)nasopharynx
    B)alveolus
    C)respiratory bronchiole
    D)terminal bronchiole
    D)terminal bronchiole
    (this multiple choice question has been scrambled)
  60. Which is not a function of the paranasal sinuses?

    A)responsible for sound resonance
    B)humidify inhaled air
    C)gas exchange
    D)warm inhaled air
    C)gas exchange
    (this multiple choice question has been scrambled)
  61. The _____ cartilage of the larynx forms the laryngeal prominence.

    A)thyroid
    B)arytenoid
    C)cuneiform
    D)cricoid
    A)thyroid
    (this multiple choice question has been scrambled)
  62. The C-shaped cartilages in the trachea

    A)support muscular attachments to the thyroid cartilage and epiglottis.
    B)prevent the trachea from collapsing.
    C)serve as a point of attachment for some muscles of expiration.
    D)attach the trachea to the esophagus posteriorly.
    B)prevent the trachea from collapsing.
    (this multiple choice question has been scrambled)
  63. Which of the following is not a muscle of inspiration?

    A)diaphragm
    B)rectus abdominis
    C)external intercostals
    D)scalene
    B)rectus abdominis
    (this multiple choice question has been scrambled)
  64. The epithelium lining the alveolus is composed of

    A)simple cuboidal epithelium.
    B)simple squamous epithelium.
    C)pseudostratified ciliated columnar epithelium.
    D)transitional epithelium.
    B)simple squamous epithelium.
    (this multiple choice question has been scrambled)
  65. The apneustic center is involved in

    A)inhibition of the pneumotaxic area.
    B)stimulation of the pneumotaxic area.
    C)stimulation of DRG.
    D)inhibition of VRG.
    C)stimulation of DRG.
    (this multiple choice question has been scrambled)

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