You have just disembarked from an airplane following a cross-country flight. You are experiencing difficulty in hearing and notice that your ears are plugged.
To relieve the pressure you try yawning to clear the ear canal. It worked. What muscle was involved?
A. Middle constrictor
B. Levator veli palatini
C. Salpingopharyngeus
D. Palatopharyngeus
E. Tensor veli palatini
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Question 2) Of the muscles listed, the only one that inserts on the hyoid bone is the
A. hyoglossus.
B. palatoglossus.
C. styloglossus.
D. lateral pterygoid.
E. genioglossus.
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Question 3) Several pharynx muscles are innervated by Cranial Nerve X, the vagus nerve.
Indicate whether this statement is true or false.
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Question 4) Pharyngeal constrictor muscles are especially important for which function?
A. Breathing
B. Swallowing
C. Expressing fright
D. Chewing food
E. Mixing food with enzymes
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Question 5) Muscles whose functions are to depress either the hyoid bone or the thyroid cartilage of the larynx are the _________ muscles.
A. mylohyoid
B. suprahyoid
C. infrahyoid
D. stylohyoid
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Question 6) Which muscle is used for sticking out the tongue?
A. Hyoglossus
B. Palatoglossus
C. Styloglossus
D. Hypoglossus
E. Genioglossus
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Question 7) Which extrinsic eye muscle is innervated by the abducens nerve (CN VI)?
A. Inferior oblique
B. Superior oblique
C. Lateral rectus
D. Medial rectus
E. Superior rectus
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Question 8) Which cranial nerve innervates the superior oblique muscle?
A. The abducens nerve
B. The trigeminal nerve
C. The trochlear nerve
D. The oculomotor nerve
E. The glossopharyngeal nerve
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Question 9) The frontal belly of the occipitofrontalis muscle causes what action?
A. Sneering
B. Smiling
C. Flaring the nostrils
D. Wrinkling the brow (forehead)
E. Frowning
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Question 10) A nursing baby is using what muscle to suckle?
A. Risorius
B. Platysma
C. Mentalis
D. Levator labii superioris
E. Buccinator
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