Final answer:
When a thermometer contacts the bottom of a container, a new reading should be performed immediately to ensure the accuracy of the measurement and food safety.
Step-by-step explanation:
If the sensing area of a thermometer touches the bottom of a food container, the correct action is to perform a new reading immediately. This ensures the accuracy of the temperature measurement. It is essential because making contact with the bottom could result in a temperature reading that reflects the heat of the container rather than the food itself. Also, given the importance of precision, it’s crucial to obtain an accurate reading to confirm that the food has reached a high enough temperature to kill any potential bacteria, guaranteeing food safety.
Adjusting your reading by a certain number of degrees without retaking the temperature might not be accurate and can be risky if you're dealing with temperature-sensitive items. It’s also not advisable to not worry about it or wait an hour and take another reading, as these actions could compromise food safety or delay necessary actions.