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Patho Ch10 PopQuiz
| Question | Answer |
|---|---|
| t/f? the pulmonary membrane is capable of regenerating after injury | false: once lost, the pulmonary membrane cannot regenerate: the damage is permanent |
| what is the smallest division of the lung? | the acinus (plural acini) is the smallest divsion of the lung |
| define pulmonary diffusion capacity | pulmonary diffusion capacity is the ability of the pulmonary membrane to allow oxygen and carbon dioxide exchange between air and blood |
| which immunoglobulin paints the respiratory epithelium | IgA paints the respiratory epithelium. It is secreted by MALT. |
| t/f? restrictive lung disease has a markedly decreased FEV1/FVC ratio. | false: obstructive lung disease has a markedly decreased FEV1/FVC ratio, while the ratio of restrictive disease is near normal |
| list the two broad categories of lung disease | the two broad categories of lung disease are restrictive and obstructive lung disease |
| t/f? uncomplicated URI's are typically bacterial | false: uncomplicated URIs are usually viral |
| t/f? fungal infection of the sinuses is a severe infection usually seen in diabetics | true |
| what are the two most important risk factors in laryngeal cancer? | the two most important risk factors of laryngeal cancer are smoking and alcohol abuse |
| t/f? all atelectasis is reversible | false: compression and resorption atelectatses are reversible but contraction atelectasis is not |
| what are the two varieties of pulmonary edema? | hemodynamic and microvascular injury |
| t/f? in ARDS a thick protein membrane lining the alveoli is responsible for faulty gas exchange | true |
| t/f? in ARDS, blood oxygen content usually arises with supplemental oxygen therapy | false: a diagnostic point is that it does not |
| t/f? chronic obstructive pulmonary disease is usually a blend of emphysema and chronic bronchitis | true |
| t/f? unlike other obstructive lung diseases, FEV1 and FVC are normal in obstructive sleep apnea | true |
| t/f? the diagnosis of chronic bronchitis is made after three consecutive months of a cough productive of sputum | false: diagnosis requires two years in a row of at least three months of productive cough |
| what is the etiology of bronchiectasis? | bronchiectasis is caused by obstruction and infection |
| t/f? in patients with asbestosis, smoking increases the risk of mesothelioma | false: asbestos causes mesothelioma, but smoking does not place the patient at additional risk. However, smoking greatly increases the risk of lung cancer in patients with asbestosis |
| t/f? patients with idiopathic pulmonary fibrosis should begin steroid therapy at time of diagnosis | false: patients with idiopathic pulmonary fibrosis do not always respond to steroids |
| what are two examples of granulomatous lung disease? | examples of granulomatous lung disease include sarcoidosis and hypersensitivity pneumoritis |
| t/f? the most common mechanism of pulmonary hypertension is increased pulmonary vascular resistance | true |
| t/f? the symptoms of a pulmonary embolism may be very similar to those of a heart attack. | true |
| t/f? nosocomial pneumonia is pneumonia acquired in a hospital | true |
| t/f? most bronchopneumonia is viral | false: most alveolar pneumonia - of which one kind is bronchopneumonia - is bacterial. while interstitial pneumonia is usually viral. |
| t/f? staphylococcus, streptococcus, and pneumococcus are the most common bacteria found in lung abscesses. | false: anaerobic bacteria, particularly those of the mouth are commonly found in lung abscesses. |
| explain the terms community-acquired pneumonia and nosocomial pneumonia | "community-acquired pneumonia" is acute pneumonia not acquired such as in a hospital, in association with an immune deficiency, or because of aspiration of gastric contents. "nosocomial pneumonia" is pneumonia is acquired in a hospital |
| patients with a CD4 count less than ___ tend to develop opportunistic infections | 200 |
| t/f? most lung adenocarcinomas arise in the lung periphery | true |
| what causes carcinoid syndrome? | bronchial carcinoid tumors may secrete vasoactive amines that cause systemic flushing, tachycardia, diarrhea, and cyanosis (carcinoid syndrome) |
| what is the single most common risk factor for lung cancer? | smoking is the number one cause of lung cancer, causing 85% to 90% of cases |
| t/f? bloody pleural effusion is usually a sign of a ruptured aneurysm | false: it is often a sign of a chest malignancy |
Created by:
tangerina
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