Discussion
Preoperative client should be kept fasting ________ hours before surgery.
Answer: C
The client should fast for 6-8 hours before surgery.
Fasting empties the stomach so that the patient does not vomit and inhale gastric contents (aspiration) under anaesthesia. Standard practice is to withhold solid food for about 6 to 8 hours before an operation, with clear fluids allowed until closer to the time.
2-4 hours applies only to clear fluids, and 4-6 hours is too short for a meal. 8-10 hours is longer than needed and risks dehydration and low blood sugar.
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