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