NREMT Paramedic

Category - Medical

Which of the following is the muscle that covers the shoulder joint and aides in movement of the upper extremities away from the body?
  1. Masseter
  2. Orbicularis Oris
  3. Orbicularis Oculi
  4. Deltoid
Explanation
Answer: D - The deltoid muscle cover the shoulder joint and aides in movement of the upper extremities away from the body. The masseter and the orbicularis oris are located in the jaw line and around the mouth and lips to aid in chewing and speaking. The orbicularis oculi is the muscle that surrounds the eye and is responsible for eyelid movements.
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