Certified Nursing Assistant (CNA) Practice Exam

Question: 1 / 400

Why is a person placed on NPO status before surgery?

To enhance appetite

To prevent dehydration

To prevent vomiting and aspiration

Before undergoing surgery, it is important for a person to be placed on NPO (nil per os) status, meaning they cannot eat or drink anything. This is done to prevent vomiting and aspiration, which is when stomach contents are inhaled into the lungs. This can be dangerous and lead to respiratory issues during surgery. The other options are incorrect because

A) Enhancing appetite is not necessary before surgery, as the person will not be eating immediately after.

B) While staying hydrated is important, it can be accomplished through IV fluids and does not require drinking before surgery.

D) Promoting digestion is also not necessary before surgery, as the digestive system needs to be rested and empty in order for the procedure to be done safely.

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To promote digestion

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