Respiratory System Practice
Questions & Answers ( Latest 2025 )
If a small blockage occurs within a respiratory bronchiole affecting the
local alveoli, the local arterioles will:
a. Clear the blockage
b. Constrict to limit blood flow to the area
c. Dilate to increase blood flow to the area
d. Increase their oxygen carrying capacity
e. Increase the number of red blood cells - CORRECT ANSWERS
✔✔B.
Regarding the ventilation and perfusion of the lung
a. Ventilation and perfusion are greatest at the apex
b. Ventilation and perfusion are greatest at the base
c. Ventilation is greatest and perfusion is lowest at the apex
d. Ventilation is greatest at the apex and perfusion is greatest at the
base
e. Ventilation is greatest at the base and perfusion is greatest at the
apex - CORRECT ANSWERS ✔✔B.
Which group of respiratory diseases results in abnormally high
resistance to airflow
a. Capacitive
b. Compliant
, Respiratory System Practice
Questions & Answers ( Latest 2025 )
c. Obstructive
d. Resistive
e. Restrictive - CORRECT ANSWERS ✔✔C.
A high V/Q (Ventilation/Perfusion) ratio of the lungs would suggests
that the lungs have
a. High perfusion
b. High pulmonary blood flow
c. Poor perfusion
d. Poor ventilation - CORRECT ANSWERS ✔✔C.
During exercise increases in pulmonary arterial pressure help to
a. distend the capillary walls
b. increase oxygen uptake
c. recruit extra capillary beds
d. reduce pulmonary resistance
e. all of the above - CORRECT ANSWERS ✔✔E.
Regarding the innervations of the respiratory system via the vagus
nerve which of the following statements is false?
a. Release of Ach causes a decrease in airway resistance
b. Release of Ach causes an increase in bronchiole smooth muscle tone
Questions & Answers ( Latest 2025 )
If a small blockage occurs within a respiratory bronchiole affecting the
local alveoli, the local arterioles will:
a. Clear the blockage
b. Constrict to limit blood flow to the area
c. Dilate to increase blood flow to the area
d. Increase their oxygen carrying capacity
e. Increase the number of red blood cells - CORRECT ANSWERS
✔✔B.
Regarding the ventilation and perfusion of the lung
a. Ventilation and perfusion are greatest at the apex
b. Ventilation and perfusion are greatest at the base
c. Ventilation is greatest and perfusion is lowest at the apex
d. Ventilation is greatest at the apex and perfusion is greatest at the
base
e. Ventilation is greatest at the base and perfusion is greatest at the
apex - CORRECT ANSWERS ✔✔B.
Which group of respiratory diseases results in abnormally high
resistance to airflow
a. Capacitive
b. Compliant
, Respiratory System Practice
Questions & Answers ( Latest 2025 )
c. Obstructive
d. Resistive
e. Restrictive - CORRECT ANSWERS ✔✔C.
A high V/Q (Ventilation/Perfusion) ratio of the lungs would suggests
that the lungs have
a. High perfusion
b. High pulmonary blood flow
c. Poor perfusion
d. Poor ventilation - CORRECT ANSWERS ✔✔C.
During exercise increases in pulmonary arterial pressure help to
a. distend the capillary walls
b. increase oxygen uptake
c. recruit extra capillary beds
d. reduce pulmonary resistance
e. all of the above - CORRECT ANSWERS ✔✔E.
Regarding the innervations of the respiratory system via the vagus
nerve which of the following statements is false?
a. Release of Ach causes a decrease in airway resistance
b. Release of Ach causes an increase in bronchiole smooth muscle tone
