When palpating the carotid artery, which of the following techniques is considered safe and appropriate?

Palpate both carotid arteries simultaneously to compare the pulse strength.

Use the thumb to palpate the carotid artery for a more accurate assessment.

Palpate the carotid artery gently with the fingertips to assess pulse strength

Apply very firm pressure to the carotid artery to evaluate its condition thoroughly.