29. Amylases, the enzymes used to digest carbohydrates, are secreted by A) saliv

Question

29. Amylases, the enzymes used to digest carbohydrates, are secreted by A) salivary glands into the mouth only. B) gastric glands into the stomach only. C) the pancreas into the intestine only D) salivary glands into the mouth and gastric glands into the stomach. E) salivary glands into the mouth and the pancreas into the intestine. 30. Bile is produced in the A) gallbladder, liver B) liver, gallbladder C) pancreas, hepatocytes D) hepatocytes, pancreas and stored in the Match the following: 31. Tidal volume (TV) a) extra air you can breathe, using inspiratory muscles (beyond tidal volume) b) amount that can't be expired from the lungs 32. Residual volume 33. Inspiratory reserve volume ) amount entering the lungs during one breath 34. The main site of gas exchange is the A) alveolar sacs B) alveoli C) alveolar duct D) respiratory bronchiole 35. The walls of the alveoli are composed of two types of cells, type I and type II alveolar cells. The function of type II alveolar cells is to A) secrete surfactant B) trap dust and other debris C) replace mucus in the alveoli D) protect the lungs from bacterial invasion 36. Complete the following statement using the choices below. Air moves out of the lungs when the pressure inside the lungs is A) less than the pressure in the atmosphere B) greater than the pressure in the atmosphere C) equal to the pressure in the atmosphere D) greater than the intra-alveolar pressure 37. The relationship between gas pressure and gas volume is described by A) Boyle's law B) Henry's law

Explanation / Answer

29. Answer will be E. There are two types of glands which release the amylase enzyme for the digestion of carbohydrate ,one is salivary gland in the mouth and other is pencrease in the intestine .

30. Correct answer will be b. Bile juice is used in digestion of lipids released by liver and stored in gall bladder .

31. Tidal volume is the amount entering the lungs during one breath.

32. Residual volume is the amount that can't be expired from lungs.

33. Inspiratory reserve volume is the extra air you can breath, using inspiratory muscle .

34. Answer will be b. The main site for the gas exchange is alveoli.

35. Answer will be a. Function of type 2 is to secrete surfactant for decreasing the surface tension.

36. Answer will be b. Air moves out of the lungs when the pressure inside the lungs is greater than the pressure in the atmosphere .

37. Answer will be a. Relationship between gas pressure and gas volume is described by boyle's law.

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