respiratory Flashcards
- Which is not part of the conducting portion of the respiratory system?
A. Alveoli
B. Trachea
C. Larynx
D. Nasal cavity
E. Bronchi
A. Alveoli
- Organize the items listed into the proper sequence of events for gas exchange.
a: O2
is transported to cells by circulatory system
b: O2
is drawn into the lungs during inhalation
c: Cells use O2
and generate CO2
d: CO2 is exhaled
e: The circulatory system transports CO2 to the lungs
A. a, b, c, d, e
B. b, a, c, d, e
C. b, a, c, e, d
D. c, e, d, a, b
E. e, d, c, b, a
C. b, a, c, e, d
- Which is not a function of the respiratory system?
A. Sound reception
B. Gas exchange
C. Olfaction
D. Gas conditioning
A. Sound reception
- Several things happen to inhaled air in a process called conditioning. Select the exception.
A. The air is cooled.
B. The air is humidified.
C. The air is cleansed.
D. The air is moistened.
E. The air becomes turbulent.
A. The air is cooled.
- Which does not prevent entrance of foreign bodies into the respiratory system?
A. Nasal hairs
B. Twisted passageways
C. Saliva
D. Mucus
E. Lysozyme
C. Saliva
- The openings into the nasal cavity are the
A. internal nares.
B. fauces.
C. external nares.
D. paranasal sinuses.
E. inferior nasal conchae.
C. external nares.
- Paranasal sinuses are not found within the
A. sphenoid bone.
B. frontal bone.
C. ethmoid bone.
D. mandible.
E. maxilla.
D. mandible.
- Inhaled air is humidified and warmed by the
A. nasal cavity and the pharynx.
B. nasal cavity and the larynx.
C. nasal cavity and the paranasal sinuses.
D. pharynx and the paranasal sinuses.
E. tonsils and the paranasal sinuses.
C. nasal cavity and the paranasal sinuses
- What feature is used by both the respiratory and digestive systems?
A. Pharynx
B. Larynx
C. Nasal cavity
D. Paranasal sinuses
E. Esophagus
A. Pharynx
- Which statement is regarding the oropharynx?
A. It houses the paired palatine tonsils.
B. It is located posterior to the oral cavity.
C. It houses the lingual tonsils.
D. It houses the pharyngeal tonsil.
E. It extends from the soft palate to the level of the hyoid bone.
D. It houses the pharyngeal tonsil.
- Which region(s) of the pharynx is(are) lined by pseudostratified ciliated columnar epithelium?
A. Oropharynx
B. Nasopharynx
C. Laryngopharynx
D. Oropharynx and nasopharynx
E. Oropharynx, nasopharynx, and laryngopharynx
B. Nasopharynx
- Into what region of the pharynx do auditory tubes open?
A. Oropharynx
B. Nasopharynx
C. Laryngopharynx
B. Nasopharynx
- Food is normally prevented from entering the nasopharynx by the
A. elevation of the epiglottis.
B. elevation of the soft palate.
C. depression of the hard palate.
D. closure of the nasal conchae.
E. constriction of the esophagus.
B. elevation of the soft palate.
- What structure is also known as the “voice box”?
A. Larynx
B. Pharynx
C. Esophagus
D. Bronchus
E. Trachea
A. Larynx
- What connects the pharynx to the trachea?
A. Esophagus
B. Bronchi
C. Alveolar ducts
D. Larynx
E. Nasal cavity
D. Larynx
- What structure prevents food and drink from entering the trachea, conducts air, and produces sound?
A. Esophagus
B. Bronchi
C. Pharynx
D. Nasal cavity
E. Larynx
E. Larynx
- What structure connects the larynx to the primary bronchi?
A. Trachea
B. Pharynx
C. Esophagus
D. Bronchioles
E. Alveolar ducts
A. Trachea
- The larynx is supported by nine pieces of cartilage. Which cartilages occur in pairs?
A. Thyroid and corniculate
B. Corniculate and cuneiform
C. Cricoid, corniculate, and arytenoid
D. Corniculate, cuneiform, and arytenoid
E. Arytenoid and cuneiform
D. Corniculate, cuneiform, and arytenoid
- What structures actually produce sound?
A. Vestibular folds
B. Paranasal sinuses
C. Arytenoid cartilages
D. Vestibular ligaments
E. Vocal folds
E. Vocal folds
- Which statement is true regarding the location of the trachea?
A. It lies superior to the esophagus, inferior to the larynx, and superior to the primary bronchi of the
lungs.
B. It lies posterior to the esophagus, inferior to the larynx, and superior to the primary bronchi of the
lungs.
C. It lies anterior to the esophagus, inferior to the larynx, and inferior to the primary bronchi of the lungs.
D. It lies anterior to the esophagus, inferior to the larynx, and superior to the primary bronchi of the
lungs.
E. It lies superior to the esophagus, superior to the larynx, and superior to the primary bronchi of the
lungs.
D. It lies anterior to the esophagus, inferior to the larynx, and superior to the primary bronchi of the
lungs.
- How long is the average trachea?
A. 12-14 inches
B. 12-14 cm
C. 12-14 mm
B. 12-14 cm
- What type of tissue lines the trachea?
A. Cuboidal epithelium
B. Simple squamous epithelium
C. Stratified squamous keratinized epithelium
D. Stratified squamous nonkeratinized epithelium
E. Pseudostratified ciliated columnar epithelium
E. Pseudostratified ciliated columnar epithelium
- Foreign particles
A. are more likely to lodge in the right primary bronchus.
B. are more likely to lodge in the left primary bronchus.
C. can lodge equally in either the right or left bronchi.
A. are more likely to lodge in the right primary bronchus.
- Which statement is true regarding secondary bronchi?
A. The right lung has two secondary bronchi and the left lung has three secondary bronchi.
B. The left lung has two secondary bronchi and the right lung has three secondary bronchi.
C. Each lung has two secondary bronchi.
D. Each lung has three secondary bronchi.
E. Each lung has four secondary bronchi.
B. The left lung has two secondary bronchi and the right lung has three secondary bronchi.
- Bronchioles are kept open by
A. rings of cartilage.
B. plates of cartilage.
C. skeletal muscle.
D. smooth muscle.
E. layers of epithelium.
D. smooth muscle.
- Which do not belong to the respiratory portion of the respiratory system?
A. Respiratory bronchioles
B. Alveolar ducts
C. Terminal bronchioles
D. Pulmonary alveoli
E. Alveolar sacs
C. Terminal bronchioles
- Alveoli abut against each other, causing them to appear _________ in cross section.
A. collapsed
B. polygonal
C. stratified
D. circular
E. flattened
B. polygonal
- The typical cell making up the alveolar wall is the
A. alveolar type II cell.
B. alveolar type I cell.
C. alveolar macrophages.
D. dust cells.
E. septal cell.
B. alveolar type I cell.
- The alveolar cell that secretes pulmonary surfactant is the
A. alveolar type II cell.
B. alveolar type I cell.
C. alveolar macrophages.
D. dust cells.
E. squamous alveolar cell.
A. alveolar type II cell.