Bones Of Skull

1. How many sockets does the alveolar arch have for the roots of the upper teeth?

8

16

32

64

2. The most projecting point of the external occipital protuberance is:

Mastoid process

Nuchal lines

Occipital fossa

Inion

3. Before the age of 8 years, the frontal bone is formed of two halves separated by the:

Coronal suture

Saggital suture

Metopic suture

Frontal crest

4. All of the followings are examples of unpaired bones of the skull except:

Sphenoid

Ethmoid

Maxillary

Vomer

5. The ossification of the posterior fontanelle ends after:

8 years

1.5 years

2 years

6 months

6. The most frequently fractured part of skull in car accident is:

Clavaria (brain box)

Asterion

Pterion

Zygomatic arch

7. Which part of the brain doesHemorrhage (extradural hematoma) compresses?

The memory area

The motor area

The thalamus

The whole brain

8. The posterior nasal openings are separated by:

Ethmoid bone

Body of sphenoid

Greater wing of sphenoid

Vomer

9. The suture between the 2 parietal bones and the occipital bone is:

Lambdoid

Lambda

Bregma

Sagittal

10. Premature closure of fontanelles diagnoses:

Rickets

Craniostenosis

Dehydration

None of the above

11. The accessory meningeal artery passes through:

Foramen spinosum

Foramen ovale

Foramen lacerum

Carotid canal

12. All of the following are midline structures of the anterior cranial fossa except:

Foramen caecum

Crista galli

Cribriform plate of ethmoid

Foramen rotundum

13. Petrous part and squamous part are parts of ---- in the ---- cranial fossa:

Sphenoid/middle

Temporal/anterior

Temporal/middle

Occipital/posterior

14. 7th and 8th cranial nerves pass through:

Internal auditory meatus

Hypoglossal canal

Jugular foramen

All of the above

15. The anterior condylar foramen gives passage to:

Hypoglossal nerve

Facial nerve

Mandibular nerve

Internal jugular vein