Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli?
Question 2.
Vital capacity of lung is
Question 3.
In the regulation of respiration, a chemosensitive area adjacent to the rhythm centre in the medulla region of the brain, is highly sensitive to:
Question 4.
Identify the region of human brain which has pneumotaxic centre that alters respiratory rate by reducing the duration of inspiration.
Question 5.
Which of the following is not the function of conducting part of respiratory system?
Question 6.
Under normal physiological conditions in human being every 100 ml of oxygenated blood can deliver _____________ml of O2 to the tissues.
Question 7.
The partial pressures (in mm Hg) of oxygen (O2) and carbon dioxide (CO2) at alveoli (the site of diffusion) are :
Question 8.
Select the favorable conditions required for the formation of oxyhemoglobin at the alveoli.
Question 9.
Select the correct events that occur during inspiration. (a) Contraction of diaphragm (b) Contraction of external inter-costal muscles (c) Pulmonary volume decreases (d) Intra pulmonary pressure increases
Question 10.
The Total Lung Capacity (TLC) is the total volume of air accommodated in the lungs at the end of forced inspiration.
This includes:
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Question 1.
Identify the wrong statement with reference to transport of oxygen:
Question 2.
Select the correct statement:
Question 3.
The maximum volume of air a person can breathe in after a forced expiration is known as:
Question 4.
Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL respectively. What will be his Expiratory Capacity if the Residual Volume is 1200 mL?
Question 5.
Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of:
Question 6.
The partial pressure of oxygen in the alveoli of the lungs is:
Question 7.
Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because?
Question 8.
Reduction in pH of blood will?
Question 9.
Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs:
Question 10.
The figure shows a diagrammatic view of the human respiratory system with labels A, B, C, and D. Select the option that gives the correct identification, main function, and/or characteristics:
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