Final answer:
It is true that the patient should be fasting when performing a cholesterol test.
Step-by-step explanation:
The statement is true. When performing a cholesterol test, it is recommended for the patient to fast for 9 to 12 hours beforehand. This is because the presence of food or drink in the system can affect the accuracy of the test results. Fasting helps to obtain a clearer picture of the patient's baseline cholesterol levels.