Organs/Body Parts
Which is the major organ of the respiratory system where the gas exchange takes place, carbon dioxide is given off, and oxygen is taken in?
a. lungs
b. kidney
c. pluera
d. nasal cavity
a. lungs
Which of the following is a function of the respiratory system?
a. gas exchange
b. absorption of nutrients
c. transport of oxygen
d. structural support
a. gas exchange
A person normally passively inhales and exhales 500 mL of air. This is the __________.
a. tidal volume
b. expiratory capacity
c. residual volume
a. tidal volume
It is important in the medical world that the partial pressure of oxygen is a specific value in order to get oxygen to diffuse from the lungs into the bloodstream. Which of the following statements is correct in that regard?
a. Oxygen has to have a high partial pressure
b. Oxygen has to have a low partial pressure
c. Oxygen has to have the same partial pressure as Carbon Dioxide
a. Oxygen has to have a high partial pressure
Small air sacs in the lungs where many capillaries exchange carbon dioxide for oxygen are ___________.
a. Bronchi
b. Alveoli
c. Trachea
d. Cartilage
b. Alveoli
Oxygen from the air enters the blood stream at what location?
a. cardiac notch
b. pulmonary vein
c. alveoli
d. paranasal sinuses
c. alveoli
The amount of air that a person normally cannot exhale at all is about 1200 mL. This is the __________.
a. vital capacity
b. residual volume
c. expiratory reserve volume
b residual volume
Who would be most likely to show increased lung compliance?
a. A infant with insufficient surfactant production
b. A person with pulmonary fibrosis
c. a healthy 90 year old
d. A person with bronchitis
b. pulmonary fibrosis
due to scarring on lung tissue
The Trachea leads to the:
a. bronchioles
b. bronchii
c. esophagus
d. pulmonary vessel
b. bronchii
When the diaphragm contracts (is pulled downward), _______ occurs.
a. inhalation
b. exhalation
c. a hiccup
d. the lungs deflate
a. inhalation
After a person inhales normally and then forces himself to inhale some more, this is called the __________ volume.
a. tidal
b. residual
c. inspiratory reserve
c. inspiratory reserve
Jeremey's lung disease reduces forced expiration volume, but does not significantly affect the vital capacity is categorized purely as a(n):
a. restrictive lung disorder
b. pulmonary fibrosis
c. COPD
d. Obstructive lung disorder
d. obstructive lung disorder (affects breathing out)
3. The space at the back of the mouth, that leads either to the airway or the esophagus is the:
a. larynx
b. conchae
c. nasal cavity
d. pharynx
d. pharynx
Which part of the body is not used for the respiratory system to work?
a. mouth
b. nose
c. small intestine
d. diaphragm
c. small intestine
What calculation do you use to get VC (vital capacity)?
VC= inspiratory reserve volume + tidal volume + expiratory reserve volume
If Jeremy has increased resistance in his lungs. how can this be detected by a doctor? What does this mean?
a. Nebulizer, by detecting the rate of inhalation
b. Spirometer, by detecting the rate of inhalation
c. Nebulizer, by detecting the rate of exhalation
d. Spirometer, by detecting the rate of exhalation
d. Spirometer, by detecting the rate of exhalation
What organ is not a part of the respiratory system?
a. Larynx
b. Esophagus
c. Nasal Cavity
b. esophagus
Hyaline cartilage has primary function?
a. protect the thyroid
b. increase the surface area
c. connect the conchae
d. support the trachea
d. support the trachea
Oxygen defuses from the alveolar cavity into the blood in the alveolar capillaries to become linked to red cell hemoglobin, and carbon dioxide diffuses from blood in the alveolar air. To cross the air-blood barrier the minimum number of plasma membranes would be:
a. 4
b. 5
c. 3
d. 6
b. 5
a. increase
b. decrease
a. increase (bad thing)