Which one is correct about pulmonary pressure

A、the change of pulmonary pressure is the driving force for the pulmonaty ventilation.

B、might be negative during respiration.

C、negative during the whole precess of breathing.

D、pulmonary pressure = atmosphere pressure - pulmonary elastic force

E、prevent venous return

A、It has a positive association with silicosis.

B、It is a common cause of death in AIDS.

C、It is most commonly due to Mycobtaterium avium intracellulare.

D、It is characterized histologically by granulomas.

A、the total amount of new air moved into the respiratory passages in a minute.

B、varies with the difference of sex and age.

C、increse during exersice.

D、is equtal to tidal volume times respiratory rate.

A、increase the alveolar surface tension.

B、decrease the pulmonary compliance.

C、decrease the resistance during inspiration.

D、increse the eleatic force of lung tissues.

E、increase the formation of interstitial fluid between alveoli and pulmonary mesenchyme.

A、decrease the resistance during inspiration.

B、increase the alveolar surface tension.

C、decrease the pulmonary compliance.

D、increse the eleatic force of lung tissues.

E、increase the formation of interstitial fluid between alveoli and pulmonary mesenchyme.

A、the gas diffusion rate is reversely proportional to the thickness of respiratory membrane.

B、the gas diffusion rate is proportional to the surface area of respiratory membrane.

C、increse of V/Q facilitate the gas exchange.

D、decrese of V/Q is not benefical to the gas exchange.

E、diffusion rate is proportional to the gas solubility.

A、the gas diffusion rate is reversely proportional to the thickness of respiratory membrane.

B、the gas diffusion rate is proportional to the surface area of respiratory membrane.

C、decrese of V/Q is not benefical to the gas exchange.

D、diffusion rate is proportional to the gas solubility.

E、increse of V/Q facilitate the gas exchange.

A、Tuberculoma

B、Infiltrative pulmonary tuberculosis

C、Chronic fibrotic cavitary tuberculosis

D、Caseous pneumonia

A、respiratory movement

B、pressure difference across the respiratory membrane

C、pressure difference between alveoli and atmosphere.

D、difference between pulmonary pressure and pleural pressure

E、difference between pulmonary pressure and atmosphere.