Please choose the correct ending to complete the given sentence: Health: [header] How to identify performance anxiety [title] Determine if your pulse is elevated. [step] When you are anxious about a performance, your pulse will become elevated. This is your body's response to the stress and worry of your impending performance.

Ending1: When you are anxious, your pulse will go in the opposite direction while at rest. There are several common occurrences which signal heightened blood pressure (tachycardia). Ending2: You may notice a shift in the way your heart rate lights up. This is called a desensitization. Ending3: When you are anxious about a performance, your heart rate can become elevated as you tend to perform exceptionally fast or tense. [substeps] Any heart rate that is elevated immediately determines how fast your nerves function. Ending4: You may hear your heat pounding in your ears if you are anxious enough. [substeps] This may also cause you to blush or your body temperature to rise.

Answer format: ending1/ending2/ending3/ending4