1. The second branchial arch is innervated by the facial nerve. Which of the following is NOT a muscle derivative of this arch?
(a) Stylohyoid
(b) Orbicularis oris
(c) Mentalis
(d) Mylohyoid
(e) Posterior belly of digastrics
2. There are 12 pairs of cranial nerve. The nerve that provides only sensory innervations is the
(a) Trochlear
(b) Trigeminal
(c) Glossopharyngeal
(d) Oculomotor
(e) Olfactory
3. Oblique facial cleft results from non-fusion of the :-
(a) Maxillary and medial nasal process
(b) Two mandibular process
(c) Maxillary and lateral nasal process
(d) Lowermost part of frontonasal process
(e) Both maxillary processes with the medial nasal process
4. The trigeminal nerve is divided into 3 main divisions. The ophthalmic division innervates all of the following, except :-
(a) Maxillary sinus
(b) Lacrimal gland
(c) Frontal sinus
(d) Nasal cavity
(e) Sclera of the eye
5. The mandibular nerve has both motor and sensory functions. It provides motor innervations to all of the following muscles, except :-
(a) Anterior belly of digastric
(b) Masseter
(c) Posterior belly of digastric
(d) Tensor tympani
(e) Temporalis
6. All of the following are branches of the mandibular nerve, except :-
(a) Lingual nerve
(b) Superior alveolar nerve
(c) Buccal nerve
(d) Inferior alveolar nerve
(e) Auriculartemporal nerve
7. The Maxillary artery is divided into 3 parts by the
(a) Infratemporal fossa
(b) Medial pterygoid muscle
(c) Maxillary nerve
(d) Lateral pterygoid muscle
(e) Masseter muscle
8. The pterygopalatine part of maxillary artery give rise to all the following branches, except :-
(a) Inferior alveolar
(b) Infraorbital
(c) Descending palatine
(d) Artery of the pterygoid canal
(e) Posterior superior alveolar
9. The retromandibular vein
(a) Joins posterior auricular vein to form internal jugular vein
(b) Lies on the internal surface of sternocleidomastoid muscle
(c) Is formed by the union of superficial temporal vein and maxillary vein
(d) Has an anterior branch that joins the deep facial vein
10. The pterygoid venous plexus
(a) Is associated with the medial pterygoid muscle
(b) Receives the Maxillary vein
(c) Communicates with facial vein through anterior facial vein
(d) Is able to transmit infections from the face and teeth to the cavernous sinus
11. The carotid sheath contains all of the following, except :-
(a) Internal jugular vein
(b) Internal carotid artery
(c) External carotid artery
(d) Vagus nerve
(e) Common carotid artery
12. Which of the following nerve provides sense of taste to the anterior two third of the tongue?
(a) Vagus nerve
(b) Glossopharyngeal nerve
(c) Lingual nerve
(d) Mandibular nerve
(e) Chorda tympani nerve
13. Below the temporal fossa lies the infratemporal fossa. All the following structures lies in the infratemporal fossa, except :-
(a) Pharyngeal venous plexus
(b) Pterygoid venous plexus
(c) Pterygoid muscles
(d) Mandibular nerve
(e) Maxillary artery
14. The muscle acting when a person “pouts” is the
(a) Orbicularis oris
(b) Risorius
(c) Buccinator
(d) Mentalis
15. Contraction of the following muscles closes the mouth.
I. Masseter
II. Lateral pterygoid
III. Temporalis
IV. Medial pterygoid
(a) I, II, III
(b) I.II.IV
(c) I.III, IV
(d) II,III,IV
(e) All of the above
16. Choose the correct statement regarding the sternocleidomastoid muscle.
(a) Accessory nerve provides sensory innervations to SCM
(b) Bilateral contraction brings the chin to the chest
(c) Unilateral contraction turns the face to ipsilateral side
(d) It divides the mandible into 2 triangles
17. Choose the correct statement regarding the muscles of the tongue
(a) The origin of genioglossus is below the geniohyoid muscle
(b) The palatoglossus is supplied by the Vagus and Accessory nerve
(c) The intrinsic muscles changes the position of the tongue
(d) Hyoglossus and palatoglossus pulls the tongue upward and backward
18. The parotid gland has all the following structures passing within it, except :
(a) Ariculotemporal nerve
(b) External carotid artery
(c) Facial nerve
(d) Retromandibular vein
(e) Internal jugular vein
19. Which of the following cranial nerve provides preganglionic parasympathetic fibers through the otic ganglion to the parotid gland?
(a) Trigeminal nerve
(b) Facial nerve
(c) Vagus nerve
(d) Glossopharyngeal nerve
20. Choose the correct statement from the following :
(a) Submandibular gland is the largest salivary gland.
(b) The parotid gland contains both serous and mucous acini.
(c) Some of the ducts of sublingual gland opens into the submandibular duct.
(d) Mylohyoid muscle divides the sublingual gland into superficial and deep part.
21. Which of the following nerves does not pass through the jugular foramen?
(a) Hypoglossal nerve
(b) Glossopharyngeal nerve
(c) Vagus nerve
(d) Accessory nerve
22. Which of the following has the most extensive distribution of all the cranial nerves?
(a) Facial nerve
(b) Vagus nerve
(c) Trigeminal nerve
(d) Hypoglossal nerve
23. Which of the following is the principle artery to the nasal cavity, supplying the conchae, meatus, and paranasal sinuses?
(a) Anterior tympanic
(b) Descending palatine artery
(c) Sphenopalatine artery
(d) Middle meningeal artery
24. Which branch of the external carotid artery listed below supplies the submandibular gland?
(a) Lingual artery
(b) Maxillary artery
(c) Ascending pharyngeal artery
(d) Facial artery
25. Which lobe of the cerebrum listed below is responsible for hearing?
(a) Frontal lobe
(b) Temporal lobe
(c) Occipital lobe
(d) Parietal lobe
26. All of the following statements concerning the buccinator muscle are true, except:
(a) It originates from the outer surface of the alveolar margins of the maxilla and mandible opposite the molar teeth and from the pterygomandibular raphe.
(b) It compresses the cheeks and lips against the teeth
(c) It is innervated by the buccal branch of the hypoglossal nerve
(d) It is pierced by the parotid duct
(e) It inserts at the orbicularus oris muscle and skin at the angle of the mouth
27. Which extrinsic tongue muscle listed below depresses the tongue
(a) Hyoglossus muscle
(b) Genioglossus muscle
(c) Styloglossus muscle
(d) Palatoglossus muscle
28. All of the following structures empty into the cavernous sinus, except:
(a) Superior ophthalmic vein
(b) Inferior ophthalmic vein
(c) The cerebral veins
(d) Maxillary artery
29. The common carotid artery divides into its external and internal branches at the level of the superior border of the
(a) Hyoid cartilage
(b) Thyroid cartilage
(c) Cricoid cartilage
(d) First cervical vertebra
30. Which of the following is not a branch of the external carotid artery?
(a) Occipital artery
(b) Ascending pharyngeal artery
(c) Maxillary artery
(d) Superficial temporal artery
(e) Anterior cerebral artery
Ans:
D E C A C
B D A C D
C E A D C
B B E D C
A B C D B
C A D B E
SAQ
1. (a) What structure lies immediately behind the soft palate? (1m)
Uvula
(b) What is the palate derived from? (4m)
Premaxilla/Primary palate from the frontonasal process
Palatal process/Secondary palate from the maxillary process
2. Mr. Chan had a mandibular posterior tooth extracted recently. Following the surgery he
experienced loss of sensation of the lower jaw.
(a) Which nerve is responsible for the loss of sensation in Mr. Chan’s condition? (2m)
Inferior alveolar nerve
(b) Briefly describe the course of the nerve. (4m)
It originates from the mandibular branch of the trigeminal nerve. It passes thtough the
mandibular foramen into the mandibular canal and exits the mental foramen as mental
nerve. Before entering the mandibular foramen, it branches off as the mylohyoid nerve.
(c) What structures does the nerve supply? (4m)
- lower teeth and gums
- lower lip and chin
- mylohyoid muscle
- anterior belly of the digastric muscle
3. Complete the following table
Ans : refer to pg. 244 of Netter’s. Besides muscle of mastication, try to remember the origins, insertion and function of all the muscles you have learnt. These are bonus marks!
All The Best!!
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