Normal average tidal volume is ______
A) 100 ml
B) 500 ml
C) 1500 ml
D) 5 L
E) 500 L
The maximum volume of air that a person can inhale with the deepest breath and then most forcefully exhale is called ______
A) tidal volume
B) inspiratory capacity
C) reserve volume
D) expiratory capacity
E) vital capacity
In which part of the nervous system are the respiratory centers located?
A) brain stem
B) spinal cord
C) cerebral cortex
D) cerebellum
E) hypothalamus
Which of the following will have an effect on the respiratory centers resulting in higher breathing rate?
A) low level of carbon dioxide in the blood
B) low pH of blood
C) high level of oxygen in the blood
D) high pH of blood
E) high blood pressure
“Ondine’s curse” is a disease that involves ______
A) damage to respiratory centers in the brain and resulting inability to breathe while sleeping
B) production of large amounts of mucus causing airway obstruction
C) fibrous tissue growing in lungs that decreases lung compliance
D) degeneration of alveolar walls, leading to diminished surface for gas exchange
E) autoimmune inflammation of bronchioles
Mesothelioma is a cancer that develops from ______
A) alveolar epithelium
B) tracheal smooth muscle cells
C) nasopharynx epithelium
D) pleural membrane cells
The most powerful respiratory stimulus for breathing in a healthy person is ________
A) acidosis
B) increase of carbon dioxide
C) alkalosis
D) loss of oxygen in tissues
E) stretch of the lung tissue
Which structure(s) prevent(s) collapse of the trachea when you inhale air?
A) trachealis smooth muscle in tracheal walls
B) pseudo-stratified columnar epithelium
C) epiglottis
D) connections of tracheal adventitia to the surrounding structures of the neck
E) hyaline cartilage rings
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