BIOL 121 Chapter 10 and 11 questions

BIOL 121 Chapter 10 and 11 questionsBIOL 121 Chapter 10 and 11 questions Chapter 10 questions 1. Which muscle draws the corner of the mouth laterally, and is innervated by the facial nerve (N VII)? a. depressor anguli oris b. risorius c. levator anguli oris d. zygomaticus major 2. Which muscle of facial expression originates on the maxilla and zygomatic bone, superior to the infra-orbital foramen, and is innervated by CN VII? a. orbicularis oculi b. levator anguli oris c. levator labii superioris d. zygomaticus minor 3. Which of the following muscles of mastication is innervated by the trigeminal nerve (N V), and acts to elevate the mandible and close the jaw, or to move the mandible side to side? a. medial pterygoid b. masseter c. temporalis d. lateral pterygoid 4. Which of the following most accurately describes the inferior oblique muscle? a. It is innervated by the trochlear nerve (N IV). b. It facilitates the action in which the eye looks down and laterally. c. It is innervated by the abducens nerve (N VI). d. It inserts into the inferior and lateral surfaces of the eyeball. 5. Which of the following statements regarding the depressor labii inferioris muscle is true? a. It originates on the mandible between the anterior midline and the mental foramen. b. It inserts into the skin at the angle of the mouth. c. It depresses the lower lip and is innervated by the trigeminal nerve (N V). d. It compresses and purses the lips. 6. Laryngeal elevator muscles (palatopharyngeus, salpingopharyngeus, and stylopharyngeus) are innervated by which of the following cranial nerves (CN)? a. CN V and CN VII b. CN VII and CN X c. CN X and CN IX d. CN X and CN XI 7. Which muscle originates on the mandible’s medial surface around the chin, inserts into the body of the tongue and the hyoid bone, and is innervated by the hypoglossal nerve (N XI)? a. genioglossus b. hyoglossus