KROK 1 2007 – Question 71 · KROK (Medicine) · Pathophysiology
Examination of a miner revealed pulmonary fibrosis accompanied by disturbance of alveolar ventilation. What is the main mechanism of this disturbance?
- A. Limitation of breast mobility
- B. Disturbance of neural respiration control
- C. Constriction of superior respiratory tracts
- D. Limitation of respiratory surface of lungs
- E. Bronchi spasm
Hint
Consider what replacement of lung parenchyma by fibrous tissue does to the amount of functioning alveoli and to lung compliance, and which kind of ventilatory defect results.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Pathophysiology
- A 49 y.o. woman consulted a doctor about heightened fatigue and dyspnea during physical activity. ECG: heart rate is 50/min, PQ is extended, QRS is…
- A woman has been applying a new cosmetic preparation for a week that resulted in eye-lid inflammation accompanied by hyperemia, infiltration and…
- A patient is followed up in an endocrinological dispensary on account of hyperthyreosis. Weight loss, tachycardia, finger tremor are accompanied by…
- A 40 y.o. patient complains of intensive heartbeats, sweating, nausea, vision impairment, arm tremor, hypertension. From his anamnesis: 2 years ago…
- A 56 y.o. patient has been suffering from thyreotoxicosis for a long time. What type of hypoxia can be developed?
- A patient has extrasystole. ECG shows no P wave, QRS complex is deformed, there is a full compensatory pause. What extrasystoles are these?