Embryology from practice exam Flashcards

1
Q
  1. T/F - The first pharyngeal arch is also called the maxillary arch.
A
  1. FALSE
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2
Q
  1. A portion of the neural tube is transiently divided into segments termed:
A
  1. Rhombomeres
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3
Q
  1. How many pharyngeal clefts are present once the final number of pharyngeal arches has been established?
A
  1. ONE
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4
Q
  1. The facial nerve innervates the orbicularis oris muscle of the face, a derivative of the 1st pharyngeal arch.
A
  1. FALSE
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5
Q
  1. Taste buds in the anterior 2/3 rds of the tongue are innervated by __________
A
  1. The facial nerve
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6
Q
  1. Olfactory sensory neurons arise from:
A
  1. nasal placodes located within the nasal pits
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7
Q
  1. At 5 weeks gestation, the face is comprised of how many facial primordia?
A
  1. FIVE
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8
Q
  1. Embryonically, the primary palate gives rise to the hard palate, and the secondary palate gives rise to the soft palate.
A
  1. FALSE
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9
Q
  1. Which branch(es) of the facial nerve is (are) responsible for eye closure?
A
  1. Temporal Branch and Zygomatic Branch
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10
Q
  1. Which is not part of the middle ear?
A
  1. Cerumen glands
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11
Q
  1. Cleft lip and palate result when there is a lack of closure of the palatal shelves.
A
  1. FALSE
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12
Q
  1. Which nerve is responsible for tongue protrusion?
A
  1. XII
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13
Q
  1. The lateral cricoarytenoid (muscle derivative) corresponds to which arch?
A
  1. 4th arch
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14
Q
  1. The stylohyoid (muscle derivative) corresponds to which arch?
A
  1. 2nd arch
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15
Q
  1. The tensor tympani (muscle derivative) corresponds to which arch?
A
  1. 1st arch
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16
Q
  1. The mylohyoid (muscle derivative) corresponds to which arch?
A
  1. 1st arch
17
Q
  1. The glossopharyngeal nerve (ganglionated cranial nerve) corresponds to which arch?
A
  1. 3rd arch
18
Q
  1. The vagus nerve (ganglionated cranial nerve) corresponds to which arch?
A
  1. 4th arch
19
Q
  1. The facial nerve (ganglionated cranial nerve) corresponds to which arch?
A
  1. 2nd arch
20
Q
  1. The trigeminal nerve (ganglionated cranial nerve) corresponds to which arch?
A
  1. 1st arch