By which of the following the medullary respiratory centre is affected directly:
A.Chemically
B.Physically
C.Neuronally
D.All of these
Category: Respiratory System Physiology Mcqs
What will happen when a person stays at Mount Everest for some days:
A.RBCs production in his body will step up
B.His body will step down the production of RBCs
C.Number of RBCs will not change
D.His RBCs will become very large
Respiratory quotent (RQ) means:
A.Volume of CO2 given in unit time
B.Volume of oxygen absorbed in unit time
C.Ratio of carbondioxide liberated to that of oxygen taken
D.None of these
The amount of air of respiratory importance reaching into alveoli is:
A.1000ml
B.1500ml
C.3200ml
D.4200ml
After each expiration the alveoli of lungs contain which of these amounts of air:
A.1300ml
B.2300ml
C.3300ml
D.300ml
RQ for fats is:
A.1.5
B.1
C.0.71
D.0.8
RQ for carbohydrates is:
A.1
B.0.71
C.0.8
D.None of these
People especially women between age of 17-25 years are more susceptible for which of these respiratory diseases:
A.Whooping cough
B.Tuberculosis
C.Cough
D.None of these
Oxygen content in our expiratory air is:
A.4%
B.20%
C.16%
D.25%
Faster breathing during condition of fever is mainly due to which of the following facts:
A.We need additional amount of oxygen for the invading organisms
B.High temperature of our body
C.Nervousness of the patient
D.Loss of appetite
