This figure shows the muscles of facial expression. What muscle does number 6 indicate?
A. Zygomaticus major
B. Masseter
C. Orbicularis oris
D. Orbicularis oculi
E. Risorius
Answer: C
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The smallest living unit of structure is considered to be at the:
a. chemical level b. cellular level c. organ level d. tissue level
David, an aspiring baseball player, was struck on the left side of his face with a fastball pitch. He was not wearing a safety helmet. His zygomatic arch was crushed, as well as parts of the temporal bone. Following the accident and reconstructive surgery, he noted that his left lower eyelid was still drooping and the corner of his mouth sagged. What nerve damage did he sustain?
What will be an ideal response?
The afferent division carries information away from the CNS
a. True b. False Indicate whether the statement is true or false
When a nurse draws blood, it is not uncommon for the needle to penetrate which muscle near the cubital region?
A. Pronator teres B. Supinator C. Semimembranosus D. Buccinator E. Pronator quadratus