The pleural membrane is an example of membrane. a. mucous b. serous c. synovial

Question

The pleural membrane is an example of membrane. a. mucous b. serous c. synovial d. peritoneal. Hypocapnia may be a result of: a. hyperventilation b. hypoventilation c. apnea d. hyperapnea. is reduced oxygenation of arterial blood by respiratory alterations. a. ischemia b. hypoxia c. hypoxemia d. hypocapnia. High altitude may produce hypoxemia through: a. shunting b. hypoventilation c. decreased inspired oxygen d. diffusion abnormalities. asthma is less common and its etiology is unknown. a. extrinsic b. intrinsic c. atopic d. allergic. It has been suggested that asthma may be caused by environmental antigens. a. extrinsic b. intrinsic c. non atopic d. b and c e. a, b, and c. In chronic bronchitis may lead to closure of the airway particularly during expiration, when the airways are narrowed. a. thick mucus from hypertrophied glands b. hypertrophied smooth muscle c. cells with metaplsia d. a and b e. a, b, and c. Individuals with emphysema usually present with: a. a productive cough b. obesity c. dyspnea on exertion d. none of the above. A pulmonary embolism may lead to: a. shock b. pulmonary infarction c. pulmonary hypertension d. a and b e. a, b, and c. Cor pulmonale is: a. pulmonary heart disease b. right ventricular enlargement c. right ventricular dilation d. all of the above. is a circumscribed area of suppuration and destruction of lung parenchyma.

Explanation / Answer

29. B

serous membrane consists of two layers of mesothelioma which secreate serous fluid. The inner layer that covers organs in body cavities is called visceral membrane. 30.A

Hyper ventilation

Hypocapnia is a condition of reduced co2 in the blood. It results from deep or rapid breathing known as hyperventilation.

31.C

Hypoxemia is a reduced oxygenation of arterial blood by respiratory alterations. Oxygen deficiency in arterial blood.

32.C.Hypoxemia occurs in people when they assend to high altitude, there will be low partial pressure of Oxygen.

33.B

Intrinsic asthma is very hard to treat and the causative agent is unknown. Exercise reduced asthma is a subtype of intrinsic asthma, it is generally seen immediately after exercising

. 34.A

Extrinsic asthma: it is caused by allergens hence it is also known as allergic asthma. In this immune system which exerts a protective mechanism reacts to simple harmless substances such as pollen.

35. A

Thick mucus from hypertrophic glands may lead to closure of the airway particularly during expiration, when the airway are narrowed.

36. C

The major symptoms of emphysema is shortness of breath. It is a form of chronic lung disease usually caused by smoking.

37. E

Pulmonary embolism may lead to shock, death of part of lung is known as pulmonary infarction and pulmonary hypertension.

38.D

Cor pulmonale is an alteration in thé structure and function of the right ventricle of the heart caused by a primary disorder of the respiratory system.

39. Alveolar level is a circumscribed area ofsuppuration and destruction of lung parenchyma.

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