Which statement is false about blood drawing?

The statement that it doesn’t really matter which direction you lancet a finger is considered false because the direction in which you lancet (or puncture) is important for successful blood drawing. Lanceting in the right direction can minimize pain and maximize blood flow while ensuring that the sample collected is adequate. Typically, the lancet should be positioned perpendicular to the finger print lines to create a larger channel, facilitating a better blood sample.

In contrast, proper identification of the patient is crucial to ensure that the correct individual receives the correct testing. Similarly, cleansing the site before drawing is vital for infection control and accurate results. Additionally, while there are typical gauges used for certain procedures, clinical practices often allow some flexibility based on factors such as the patient's vein size, the type of blood test, and the volume of blood required. Hence, a specific gauge needle does not always have to be used; the decision can be based on clinical judgement, making it adaptable in different scenarios.