MDS PREP
The parasympathetic fibers to pterygopalatine ganglion come from
1. maxillary nerve
2. mandibular nerve
3. deep petrosal nerve
4. greater petrosal nerve
Anatomy
Answer: 4
The parasympathetic fibers to pterygopalatine ganglion come from greater petrosal nerve
The beginning of active eruption of a human tooth occurs
1. before the root has begun to develop
2. coincidental with the beginning of root formation
3. before the root has begun to develop
4. after one half of the root is formed
Dental Anatomy
Answer: 4
The beginning of active eruption of a human tooth occurs after one half of the root is formed
The first teeth to erupt in the dental arches of the human being are the, primary
1. mandibular cuspids
2. maxillary central incisors.
3. mandibular central incisors
4. maxillary first molars
Dental Anatomy
Answer: 3
The first teeth to erupt in the dental arches of the human being are the, primary mandibular central incisors
Which of the following permanent maxillary molar teeth normally has four root canals?
1. First molar
2. Second molar
3. Third molar
4. None of theabove
Dental Anatomy
Answer: 1
permanent maxillary First molar teeth normally has four root canals
The trigeminal ganglion lies on
1 Anterior temporal bone near its apex hi Meckel’s cave, which is a depression in the bone
2. Posterior surface of petrous temporal bone near Its apex in -Meckel’s cave. which is a depression In the bone
3. Anterior surface of petrous temporal bone near its apex in Meckel’s cave which is a space of dura mater
4. Petrous temporal bone in posterior cranial fossa
Anatomy
Answer: 3
The trigeminal ganglion lies on Anterior surface of petrous temporal bone near its apex in Meckel’s cave which is a space of dura mater
The mandibular 1st molar is supplied by:
1. Inferior alveolar nerve only
2. Long buccal nerve only
3. A and B
4. Mental and inferior alveolar nerve
Anatomy
Answer: 3
The mandibular 1st molar is supplied by Inferior alveolar nerve and long Buccal Nerve
Which of the following is TRUE regarding the attachment of the mylohyoid muscle?
1) It attaches superiorly at the lateral border of the mandible and inferiorly at the body of the hyoid.
2) It attaches superiorly at the medial border of the mandible and inferiorly at the lesser horn of the hyoid
3) It attaches superiorly at the medial border of the mandible and inferiorly at the greater horn of the hyoid
4) It attaches superiorly at the medial border of the mandible and inferiorly at the body of the hyoid
Anatomy Answer: 4
It attaches superiorly at the medial border of the mandible and inferiorly at the body of the hyoid
Foramen ovale is placed _____ to foramen rotundum:
1. Anteromedian.
2. Anterolateral.
3. Posteromedian.
4. Posterolateral
Anatomy Answer: 4
the foramen ovale and foramen rotundum are both openings in the sphenoid bone. The foramen ovale is located posterior and lateral to the foramen rotundum. The foramen rotundum transmits the maxillary nerve (V2), while the foramen ovale transmits the mandibular nerve (V3) and the accessory meningeal artery.