Module 5 Test Flashcards
Which of the following is not part of the upper respiratory system?
a. Nose
b. Oral cavity
c. Pharynx
d. Trachea
e. Nasal meatuses
d. Trachea
The conducting zone does NOT act to
a. Clean air of debris
b. Conduct air into the lungs
c. Add water to air
d. Warm air
e. All of the above
e. All of the above
The nose connects with the pharynx through the
a. Septal cartilage
b. External nares
c. Choanae
d. Uvula
e. Nasal meatuses
c. Choanae
Which of the following is a passageway for air, food and water?
a. Pharynx
b. Larynx
c. Paranasal sinuses
d. Trachea
e. Esophagus
a. Pharynx
The opening to the pharynx from the mouth is called
a. Palatine
b. Hypopharynx
c. Meatuses
d. Fauces
e. Vestibule
d. Fauces
This structure prevents food or water from entering the trachea.
a. Arytenoid cartilage
b. Epiglottis
c. Nasopharynx
d. Thyroid cartilage
e. Paranasal sinus
b. Epiglottis
During swallowing, which structure rises?
a. Pharynx
b. esophagus
c. Trachea
d. Palatine tonsils
e. Primary bronchi
a. Pharynx
These are triangular pieces of mostly hyaline cartilage located at the posterior and superior border of the cricoid cartilage.
a. Corniculate cartilage
b. Arytenoids cartilage
c. Cricotracheal cartilage
d. Cuneiform cartilage
e. Laryngeal cartilage
b. Arytenoids cartilage
Pitch is controlled by
a. Vibration of the vocal chords
b. Tension of the vocal chords
c. Layers of cartilage in the vocal chords
d. Arrangement of the vocal chords
e. None of the above
b. Tension of the vocal chords
This is located anterior to the esophagus and carries air to the bronchi.
a. Trachea
b. Larynx
c. Nasopharynx
d. Pharynx
e. None of the above
a. Trachea
This is the primary gas exchange site.
a. Trachea
b. Bronchiole
c. Nasal sinuses
d. Alveolus e. Bronchus
d. Alveolus
Which of the below tissues maintains open airways in the lower respiratory system?
a. stratified squamous epithelium with keratin
b. ciliated pseudostratified columnar epithelium with goblet cells
c. hyaline cartilage
d. mucus membrane
e. bone
c. hyaline cartilage
Which of the below tissues provides the functions of the inner layer of the conducting organs?
a. stratified squamous epithelium with keratin
b. ciliated pseudostratified columnar epithelium with goblet cells
c. cilated cuboidal epithelium with goblet cells
d. transitional epithelium with cilia
e. columnar connective tissue with goblet cells
b. ciliated pseudostratified, columnar epithelium with goblet cells
The point where the trachea divides into right and left primary bronchi is a ridge called
a. Carina
b. Secondary bronchioles
c. Parietal pleura
d. Visceral pleura
e. Diaphragm
a. Carina
Which of the below tissues forms the exchange surfaces of the alveolus?
a. stratified squamous epithelium
b. ciliated pseudostratified columnar epithelium with goblet cells
c. simple squamous epithelium
d. hyaline cartilage
e. columnar connective tissue with goblet cells
c. simple squamous
These are cells of the alveoli that produce surfactant.
a. Type I alveolar cells
b. Type II alveolar cells
c. Type III alveolar cells
d. Surface cells Macrophages
b. Type II alveolar cells
This is direction of diffusion of gases at capillaries near systemic cells.
a. Oxygen into blood , Carbon dioxide into blood
b. Oxygen out of blood , Carbon dioxide into blood
c. Oxygen into blood , Carbon dioxide out of blood
d. Oxygen out of blood , Carbon dioxide out of blood
b. Oxygen out of blood, Carbon dioxide into blood
This is direction of diffusion of gases at the alveoli of the lungs.
a. Oxygen into blood , Carbon dioxide into blood
b. Oxygen out of blood , Carbon dioxide into blood
c. Oxygen into blood , Carbon dioxide out of blood
d. Oxygen out of blood , Carbon dioxide out of blood
c. Oxygen into blood, Carbon dioxide out of blood
Exhalation begins when
a. Inspiratory muscles relax
b. Diaphragm contracts
c. Blood circulation is the lowest
d. Both a and b e. All of the above
a. Inspiratory muscles relax
This means the lungs and the chest wall expand easily.
a. High surface tension
b. Low surface tension
c. High compliance
d. Low compliance
e. None of the above
c. High compliance
The conducting airways with the air that does not undergo respiratory exchange are known as the
a. Inspiratory volume
b. Expiratory reserve volume
c. Minimal volume
d. Residual volume
e. Respiratory dead space
e. Respiratory dead space
This is the sum of the residual and the expiratory reserve volume.
a. Total lung capacity
b. Functional residual capacity
c. Inspiratory capacity
d. Vital capacity e. Minimal volume
b. Functional residual capacity
Which of the following is not a factor that the rate of pulmonary and systemic gas exchange depends on.
a. Partial pressure difference of the gases
b. Surface area for gas exchange
c. Diffusion distance
d. Molecular weight and solubility of the gases
e. Force of contraction of diaphragm
e. Force of contraction of diaphragm
Which is the dominant method of carbon dioxide transport?
a. Bound to hemoglobin
b. Bound to oxygen
c. Dissolved in plasma as a gas
d. Dissolved in plasma as bicarbonate ions
e. Diffusion
d. Dissolved in plasma as bicarbonate ions


















































