WorksheetsRespiratory System Quiz
Total questions: 20
Worksheet time: 10mins
What is the average volume of the tidal volume in a healthy adult?
300 mL
500 mL
700 mL
1000 mL
1500 mL
What is the normal range of pleural fluid volume in a healthy individual?
10 mL
20 mL
30 mL
40 mL
Which spinal nerves contribute to the formation of the phrenic nerve that innervates the diaphragm?
C3-C5
C1-C2
C4-C5
C2-C3
C2-C5
What is the primary function of the external intercostal muscles during respiration?
To elevate the ribs
To depress the ribs
To stabilize the thoracic cavity
To assist in forced expiration
To support the diaphragm
What happens to the intrapleural pressure during expiration?
Increases
Decreases
Remains constant
Becomes negative
Equal with atmospheric pressure
… is the maximum amount of air that can be inhaled after a normal tidal breath
ERV
IRV
FVC
RV
VC
What is the average tidal volume in milliliters for a healthy adult at rest?
300 mL
500 mL
600 mL
800 mL
1000 mL
Which of the following phospholipids is primarily responsible for the surface-active properties of pulmonary surfactant?
Phosphatidylcholine
Phosphatidylglycerol
Phosphatidylethanolamine
Phosphatidylserine
Phosphatidylinositol
In fluid dynamics, laminar flow is typically observed when the Reynolds number is …
<1000
<2000
<3000
<5000
<10000
Which parameter is typically elevated in obstructive pulmonary disease?
FVC in obstructive pulmonary disease
FEV1 in obstructive pulmonary disease
FEV1/FVC in obstructive pulmonary disease
FVC in restrictive pulmonary disease
FEV1 in restrictive pulmonary disease
What is the primary function of the trachea in the respiratory system?
To filter air
To produce sound
To transport air to the lungs
To warm the air
To prevent food from entering the lungs
… is a tube that connects the throat to the middle ear, playing a crucial role in maintaining equal air pressure for optimal auditory function
Eustachian tube
Auditory canal
Middle ear
Inner ear
Outer ear
What is the maximum number of divisions in the bronchial tree?
23
20
17
15
12
What happens to the alveolar pressure at the end of expiration?
Increases
Decreases
Remains constant
Equal with atmospheric pressure
Equal with intrapleural pressure
Total lung capacity is the sum of …
Vital capacity and functional residual capacity
Vital capacity and residual volume
Inspiratory reserve volume and functional residual capacity
Tidal volume and vital capacity
Inspiratory capacity and expiratory reserve volume
What is the primary function of surfactant in the lungs?
Reduce surface tension
Facilitate gas exchange
Provide structural support
Transport nutrients
Regulate blood flow
The connection between alveolar is called …
Pores of Kohn
Canals of Lambert
Canals of Martin
Respiratory bronchiole
Alveolar alveoli
Diaphragm contraction will cause …
Alveolar pressure increased
Transmural pressure decreased
Pleural pressure decreased
Lung volume decreased
Residual volume increased
Which cell produced surfactant?
Alveolar type I
Alveolar type II
Alveolar type III
Alveolar type IV
Alveolar type V
If the diameter of the airways is halved, the resistance will …
Increase 16-fold
Increase 8-fold
Increase 4-fold
Increase 2-fold
Remain the same
