A patient with chronic obstructive pulmonary disease (COPD) experiences difficulty exhaling completely. Which of the following physiological changes is LEAST likely to contribute to this impaired exhalation?
Loss of elastic recoil in the lungs
Airway obstruction due to mucus and inflammation
Increased lung compliance
Collapse of smaller airways during exhalation
Related Questions
The volume of air inhaled or exhaled during normal breathing is called:
Residual volume
Vital capacity
Tidal volume
Total lung capacity
Hiccups can be best described as
Forceful sudden expiration
Jerky incomplete inspiration
Vibration of the soft palate during breathing
Sign of indigestion
Given below is a list of some structures of human respiratory system in a box. Primary bronchi, Trachea, Terminal bronchiole, Respiratory bronchiole
How many of them do not possess incomplete cartilaginous rings?
1
2
4
3
The conducting portion of the respiratory tract performs all of the following functions EXCEPT:
Gas exchange
Trapping of dust particles
Adjusting air temperature
Moistening inhaled air
At which thoracic vertebra does trachea divide into right and left primary bronchi?
5
6
9
4
Correct sequence of the air passage in humans is
Nose β Larynx β Pharynx β Bronchioles β Alveoli
Nose β Pharynx β Larynx β Bronchioles β Bronchi
Nose β Pharynx β Larynx β Bronchioles β Trachea
External nostril β Nasal passage β Internal nostril β Pharynx β Larynx β Trachea β Bronchi Bronchiole β Alveoli
Which of the following is NOT a function of the conducting zone of the respiratory system?
Humidifying air
Warming air
Filtering air
Gas exchange
Which of the following is the primary site of gaseous exchange in the human respiratory system?
Trachea
Bronchi
Alveoli
Larynx
Lungs comprises
Network of bronchi
Bronchioles
Alveoli
All of these
A defect in which specific component of the respiratory system would MOST directly impair the body's ability to effectively remove inhaled particulate matter like dust and pollen?
Type I alveolar cells
Pulmonary capillaries
Mucociliary escalator
Respiratory bronchioles