Anatomy #5 – Unidontia

Question 1 of 20

1. Muscles of mastication are derived from:

4th arch

1st arch

2nd arch

3rd arch

Question 1 of 20

Question 2 of 20

2. Which of the following is not attached to oblique line of thyroid cartilage:

Inferior constrictor

Superior constrictor

Sternohyoid

Thyrohyoid

Question 2 of 20

Question 3 of 20

3. The secretomotor supply of parotid comes from:

Maxillary

Chorda tympani

Greater petrosal

Auriculotemporal

Question 3 of 20

Question 4 of 20

4. Medial squint occurs due to lesion of:

Trochlear nerve

Abducent nerve

Occulomotor nerve

Optic nerve

Question 4 of 20

Question 5 of 20

5. Which of the following is true about chorda tympani

Carries preganglionic parasympathetic fibers to the subinandibular gland

It contains postganglionic parasyli fibers

Lies in pterygoid canal

Is the nerve of tympanic membraned.

Question 5 of 20

Question 6 of 20

6. Which of the following is TRUE regarding the attachment of the mylohyoid muscle?

It attaches superiorly at the lateral border of the mandible and inferiorly at the body of the hyoid.

It attaches superiorly at the medial border of the mandible and inferiorly at the greater horn of the hyoid.

It attaches superiorly at the medial border of the mandible and inferiorly at the body of the hyoid.

It attaches superiorly at the medial border of the mandible and inferiorly at the lesser horn of the hyoid.

Question 6 of 20

Question 7 of 20

7. Which of the following structures pass through the parotid gland

Facial nerve, retromandibular vein and external carotid artery

Facial nerve, retromandibular vein, external carotid artery, superficial temporal artery and branches of greater auricular nerve

b. Facial nerve, retromandibular vein and superficial temporal artery

c. Facial nerve, external carotid artery and branches of greater auricular nerve

Question 7 of 20

Question 8 of 20

8. Most part of philtrum develops from:

Maxillary process

Median nasal

Frontonasal

Lateral nasal

Question 8 of 20

Question 9 of 20

9. Melanocytes can contact how many keratinocytes in skin:

100-150

30-40

50-100

150-200

Question 9 of 20

Question 10 of 20

10. Infection from facial vein spreads to cavernous sinus because:

Venous connections do not have valves

Facial vein communicates with superior ophthalmic vein

Facial vein opens into interior jugular vein

Valves are stretched on opening

Question 10 of 20

Question 11 of 20

11. Not a retractor of scapula:

Levator scapulae

Trapezius

Rhomboideus major

Rhomboideus minor

Question 11 of 20

Question 12 of 20

12. Which of the following muscles is spared in injury to cranial accessory nerve

Palatophayngeus

Saplingopharyngeus

Stylophayngeus

Cricopharyngeus

Question 12 of 20

Question 13 of 20

13. Neurons of the cortical region are distributed to the neurons of the sub cortical region in which of the following way

Projection fibers

Association fibers

Commissural fibers

Collateral fibers

Question 13 of 20

Question 14 of 20

14. Facial nerve injury at stylomastoid foramen:

Motor paralysis of muscles of tongue

Loss of taste sensation from anterior 1/3rd of tongue

Loss of taste sensation from anterior 2/3rd of tongue

Hyperacusis

Question 14 of 20

Question 15 of 20

15. Which of these is a tributary of the IJV:

Retromandibular vein

Ant. Jugular vein

Inferior thyroid vein

Superior thyroid vein

Question 15 of 20

Question 16 of 20

16. Spheno occipital Synchondrosis fuses by what age

16 years

3 years

13 years

9 years

Question 16 of 20

Question 17 of 20

17. Alternative hemiplegia is seen in:

Benedict's

Webber syndrome

Millard gubler syndrome

Wallenberg

Question 17 of 20

Question 18 of 20

18. Type of Collagen in Hyaline cartilage

Type III

Type II

Type I

Type IV

Question 18 of 20

Question 19 of 20

19. Which of the following pass through the vena caval opening of diaphragm:

Left phrenic nerve

Thoracic duct

Right phrenic nerve

Azygous vein

Question 19 of 20

Question 20 of 20

20. All of the following statements about Diploic veins are true Except:

Present in cranial bones

Develop around 8th wks of gestation

These have no valves (valveless)

Have a thin wall lined by a single layer of endothelium

Question 20 of 20