Practice Quiz

ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

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How many branches does the trigeminal nerve contain?
  1. 3
  2. 2
  3. 5
  4. 7
Explanation
Answer: A - The trigeminal nerve contains three branches. The frontal nerve is the merging point of the superorbital nerve and the supratrochlear nerve. The lacrimal nerve controls the upper eyelid, conjunctiva, and lacrimal gland. The nasociliary nerve extends several branches from the eyelids, sides of the nose, eyeball, nasal cavity, and paranasal sinuses.
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