Which abbreviation is used to indicate administration by mouth?

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Prepare for the Missouri State CMT Test. Study with comprehensive materials including flashcards and multiple choice questions. Each quiz question provides hints and explanations to ensure you're exam-ready!

Multiple Choice

Which abbreviation is used to indicate administration by mouth?

Explanation:
When a medication is to be given by mouth, the route is shown with PO, which comes from Latin per os meaning by mouth. This is the shorthand used on orders and charts to indicate oral administration. The other terms point to different ideas: NPO means nothing by mouth, PRN means as needed, and QH means every hour. So PO is the one that specifically indicates oral intake. For example, an order reading “Amoxicillin PO” means you give it by mouth.

When a medication is to be given by mouth, the route is shown with PO, which comes from Latin per os meaning by mouth. This is the shorthand used on orders and charts to indicate oral administration. The other terms point to different ideas: NPO means nothing by mouth, PRN means as needed, and QH means every hour. So PO is the one that specifically indicates oral intake. For example, an order reading “Amoxicillin PO” means you give it by mouth.

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