A passive Penrose drain removes fluid from a surgical wound mainly through which mechanism?
Correct answer: D. Gravity and capillary action
- A. Active lymphatic pumping
- B. Continuous negative pressure
- C. Intermittent arterial pressure
- D. Gravity and capillary action
Explanation
A Penrose drain allows fluid to move along its surface by gravity and capillary action. Continuous negative pressure is produced by a closed suction drain, not by a passive Penrose drain.
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About Veterinary Surgery
Covers principles of asepsis, tissue handling, haemostasis, wound healing, surgical instruments, sutures, anaesthesia and perioperative care. It includes common procedures and conditions involving the skin, abdomen, bones, joints and urinary or reproductive tracts, while distinguishing surgical emergencies from cases managed medically.
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