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Question 1
Which region of the head and neck is the trigeminal ganglion located?
Correct Answer
Anterior surface of the petrous part of the temporal bone
Question 2
Into which structure does the lacrimal fluid initially end up after passing over the eye surface?
Correct Answer
Nasolacrimal sac.
Question 3
which of the following statements concerning cavernous sinus thrombosis is CORRECT?
a. most major veins of the face do NOT have valves
b. only dental infections can spread to the maxillary sinus
c. orbital tissue is NOT affected
d. needle tract contamination may be involved
Correct Answer
Needle track contamination may be involved.
Page 1 of 102
,Question 4
The lacrimal gland ultimately drains into the
Correct Answer
inferior nasal meatus.
Question 5
What structure can be initially involved in a spread of infection if the needle is contaminated during a posterior superior
alveolar block?
a. Incisive nerve
b. Cavernous sinus
c. Temporal fossa
d. Maxillary anterior teeth
e. Lingual gingival tissue
Correct Answer
Cavernous sinus
Question 6
To which of the following structures does the posterior superior alveolar nerve and its branches supply?
a. frontal sinus
b. maxillary posterior teeth
c. parotid salivary gland
d. temporalis muscle
Correct Answer
b. maxillary posterior teeth
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,Question 7
Which of the following glands shrinks in size as a person undergoes maturation to an adult?
A. Thymus gland
B. Parotid gland
C. Thyroid gland
D. Sublingual gland
E. Submandibular gland
Correct Answer
A. Thymus gland
Question 8
Which of the following structures is contained w/in the carotid sheath?
A. Facial nerve
B. Internal jugular vein
C. Aorta
D. Superficial lymph nodes
Correct Answer
B. Internal jugular vein
Page 3 of 102
, Question 9
Which nerve branches are anesthetized before MOST dental procedures?
a. Trigeminal nerve
b. Facial nerve
c. Ophthalmic nerve
d. Glossopharyngeal nerve
e. Hypoglossal nerve
Correct Answer
Trigeminal nerve;
branches of the trigeminal nerve are anesthetized before most dental procedures
Question 10
Which nodes are prominent nodes that drain the tongue and sub mental region?
Correct Answer
Jugulo-omohyoid nodes
Question 11
An EO hematoma can result from an incorrectly administered posterior superior alveolar LA block because the needle was
overinserted and thus penetrated what?
Correct Answer
Pterygoid plexus of veins
Page 4 of 102