Davidson_10 Exam 1

2. Not true-

Type I pneumocytes are flattened epithelial cells

Type II pneumocytes are more cuboidal

Type I pneumocytes can divide to reconstitute type II pneumocyte after lung injury

Type II pneumocytes produce surfactant

3. TLco is decreased in the following obstructive lung disease-

Pulmonary fibrosis

Emphysema

Chronic bronchitis

Asthma

4. You can't expect to find a cosolidation in CXR in the following pulmonary disease

Pneumonia

Inflammation

Infarction

Tumor

5. Serous sputum is usually found in-

Bronchiectasis

Pneumonia

Lung cancer

Pulmonary edema

. 6. Which of the following indirectly stimulates central chemoreceptors of medulla?

Increased arterial PO2

Increased blood pH

Increased arterial PCO2

Increased blood glucose

7. The following radiotracer is used in PET scan-

35 Sulfur compound

18 Flurodeoxyglucose

123 Iodine in KI

99 Technetium

-8. FEV1/FVC ratio may be increased in-

Asthma

Chronic bronchitis

Emphysema

Pulmonary fibrosis

9. In medicine ward you got a patient with genetic alpha1-anti trypsin deficiency according to his investigation reports. He complained of heavy cough with sputum production. Physical examination revealed quiet breath sounds, reduced cricosternal distance, but no finger clubbing. Which of the following you’ll not expect regarding respiratory function abnormalities?

TLC is increased

RV is reduced

FVC is reduced

FEV1 is greatly reduced

10. Find out the wrong statement.

Alveolar walls contain a fine network of elastin and collagen fibres

Usually there's reduced sputum production in the respiratory tract of a chronic smoker

Hypoxia constricts pulmonary arterioles

You may find small lungs in a patient with pulmonary fibrosis

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Davidson_10 Exam 1

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