QUESTION 1
Cerebrospinal fluid returns to the blood stream principally through the:
Internal carotid and vertebral arteries
Walls of veins in the subarachnoid space
Choroid plexus
Arachnoid granulations
Lymphatic vessels in the gray matter
QUESTION 2
In the submandibular triangle, the mylohyoid muscle lies immediately superficial to the:
Lingual artery
Facial artery
Anterior belly of the digastric muscle
Submandibular duct
Mylohyoid nerve
QUESTION 3
The bony roof of the infratemporal fossa is formed primarily by the:
Greater wing of the spheroid bone
Tympanic plate of the temporal bone
Zygomatic bone
Vertical portion of the palatine bone
Infratemporal surface of the maxillary bone
QUESTION 4
The piriform recess is located:
Above the palatine tonsil
Beneath the middle nasal concha
On either side of the larynx within the laryngopharynx
Posterior to the salpingopharyugeal folds within the nasopharynx
Between the glossoepiglottic folds
QUESTION 5
The motor nerve to the cricothyroid muscle is the:
Recurrent laryugeal nerve
External branch of the superior laryngeal nerve
Cervical branch of the facial nerve
Mandibular nerve
Internal branch of the superior laryngeal nerve
QUESTION 6
The ophthalmic artery on its way to the orbit passes through the:
Inferior orbital fissure
Same opening as the optic nerve
Inferior orbital fissure
Same opening as the superior ophthalmic vein
Superior orbital fissure
QUESTION 7
The intrinsic muscle of the larynx which parallels and lies adjacent to the vocal cords is the:
Transverse arytenoid muscle
Lateral cricoarytenoid muscle
Posterior cricoarytenoid muscle
Thyroarytenoid muscle
Cricothyroid muscle
QUESTION 8
In taking an x-ray of the maxillary premolars, the rays from the machine to the film would most likely pass through the:
Levator anguli oris muscle
Risorius muscle
Levator labli superioris alaeque nasi muscle
Mentalis muscle
Depressor labli inferioris muscle