For gas exchange to be most efficient, the respiratory membrane must be ____. at
ID: 91601 • Letter: F
Question
For gas exchange to be most efficient, the respiratory membrane must be ____. at least 3 mu m thick 0.5-1.0 micrometers thick between 5 and 6 mu m thick less than 0.5 nanometers thick the thickness of the respiratory membrane is not important in the efficiency of gas exchange Which of the following statements are CORRECT? "Dead-Air" space is nothing more than the volume of air in the conducting zone. Residual Volume air is high in O_2 and very low in CO_2. Inspired air mixes with RV air and changes its composition significantly. Pressure gradient for movement/exchange of CO_2 usually is no more than 5 mmHg. After hyperventilation, more CO_2 is removed than normal and breathing temporarily cease At the level of the alveoli, most of the 760 mmHg pressure is due to O_2. 1, 3, 5 2, 4, 6 1, 2, 4, 6 1, 3, 4, 5 1, 2, 3, 4, 5, 6 Consider the following chemical reaction: CO_2 + H_2O leftharpoonoverrightharpoon H_2CO_3 leftharpoonoverrightharpoon A + B. What are species "A" and "B" (presented below as A/B? H^+ ion carboxylic acid Carbonic acid/Bicarbonate ion A proton/HCO_3 Carbonic anhydrase Cannot be determinedExplanation / Answer
Answer for Q.98.
The respiratory membrane should be thin and strong for the efficient gas exchange which helps the gas molecules to travel easily across the membrane. Hence the option D, the thickness of the respiratory membrane is not important for the gas exchange is an incorrect answer.
Due to increased partial pressure when the thickness of the membrane is too thin, it disrupts the normal gas exchange function. Hence the option D is incorrect.
When the membrane is thick, less amount of gas will be exchanged during diffusion processs. Hence the option A and C will be incorrect.
0.5-1.0 micrometer thickness will be correct option for the efficient gas change thickness of the respiratory membrane.
Hence option B is correct.
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