Please choose the correct ending to complete the given sentence: Health: [header] How to give yourself insulin [title] Check your blood glucose level. [step] Follow the same procedure each time to check and document your blood glucose levels. [substeps] Wash your hands thoroughly with soap and water, and dry them with a clean towel.

Ending1: Be sure to never push the needle through your skin! [title] Switch your oven to 400ºf/40ºc. [title] Take your current temperature using a phone or an oven thermometer. Ending2: Insert a test strip into your blood glucose meter device. Use your lancet device to obtain a small drop of blood from the fleshy part of your finger. Ending3: Wait about 1 minute for the insulin to evaporate completely. While some insulin capsules can be done on an empty stomach (this is known as real peeing), either one can be done for very low insulin levels. Ending4: Repeat in this manner the day before your appointment. If it seems that your blood sugar levels are above 140 or higher, talk to your doctor about changing your blood sugar levels.

Answer format: ending1/ending2/ending3/ending4