KROK 1 2018 – Question 27 · KROK (Medicine) · Physiology
A patient demonstrates sharp decrease of pulmonary surfactant activity. This condition can result in:
- A. Hyperoxemia
- B. Alveolar tendency to recede
- C. Increased pulmonary ventilation
- D. Decreased work of expiratory muscles
- E. Decreased airways resistance
Hint
Think about the effect of surface tension in the smallest air sacs of the lung once the substance that normally lowers it is lacking.
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 Physiology
- A 64-year-old woman presents with disturbed fine motor function of her fingers, marked muscle rigidity, and tremor. The neurologist diagnosed her…
- A test animal receives electrical impulses that irritate the sympathetic nerve that innervates blood vessels of the skin. What reaction will it…
- A person has increased pulmonary ventilation due to physical exertion. What indicator of external respiration will be significantly increased…
- The carotid bodies on both sides were removed in a test animal. Which of the listed factors WILL NOT be able to cause hyperventilation in the test…
- Due to prolonged stay in the mountains at the altitude of 3000 m above the sea level, a person developed increased oxygen capacity of blood, which…
- A force generated by the muscle is not enough to lift a load. What type of muscle contraction occurs in this case?