KROK 1 2008 – Question 137 · KROK (Medicine) · Physiology
A 35 year old man got an injury that caused complete disruption of spinal cord at the level of the first cervical segment. What respiration changes will be observed?
- A. No changes will be observed
- B. It will come to a standstill
- C. Thoracic respiration will be maintained, diaphragmal respiration will disappear
- D. It will become infrequent and deep
- E. Diaphragmal respiration will be maintained, thoracic respiration will disappear
Hint
Think about what happens to the phrenic and intercostal motor neurons when the descending link from the medullary respiratory centre is cut above them.
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