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Respiratory centre of brain is sensitive to
A chemo sensitive area located close to the respiratory centre in medulla is highly sensitive to changes in pCO2or pH of the blood.
Rate of breathing is controlled by
Which of the following conditions is responsible for increase in ventilation rate of lungs ?
In which disease, due to flattening of tracheal vessels, alveoli are deprived of oxygen ?
Emphysema is the respiratory disorder in which the septa between the alveoli are destroyed and much of the elastic tissue of the lungs is replaced by connective tissue. It is generally caused by a long term irritation. Air pollution,occupational exposure to industrial dust and cigarette smoke are the most common irritants.
The oxygen toxicity is related with
Oxygen toxicity develops when pure oxygen is breathed in for a prolonged period. This is formed due to progressive failure of ventilation of lungs.
The state during which the respiratory centre is inhibited is termed as
The O2 content of blood falls and the CO2 content rises and paralyses the respiratory center. Breathing stops and death can occur.
Ascent of high mountains may cause altitude sickness in men.Prime cause of this is
After taking a long deep breath we do not respire for some seconds due to
In ancient times, a man dies immediately although their was no injury to brain,kidney, stomach and heart. The probable cause of death may be
Which of the following statements is not true ?