Which of the following is the weakest part of the orbit ?

Related Mcqs:

1. The weakest part of pharynx is______________?

   A. Sinus of morgangini
   B. Between thyropharyngeus and crico- pharyngeus
   C. Pyriforma fossa
   D. Pharyngeal recess

2. Among all of the following foramens in the base of skull, which is , the most posteriorly present______________?

   A. Foramen spinosum
   B. Foreman rotundum
   C. Forename lacerum
   D. Foreman Ovale

3. All the following features of skull of a newborn are true except_____________?

   A. Diploe not formed
   B. Styloid process has not fused with rest of temporal bone
   C. Anterior fontanelle open
   D. Mastoid process is of adult size

4. Which out of the following bones ossify first ?

   A. Mandible
   B. Nasal bone
   C. Vomer
   D. Occipital

5. Which of the following is located meidal to the third molar at the junction of the maxilla and the horizontal plate of the palatine bone_____________?

   A. Posterior nasal spine
   B. Mylohyoid line
   C. Pterygoid Hamulus
   D. Greater palatine foramen

6. The maxilla articulates with all of the following bones, except one. Identify the exception____________?

   A. Frontal
   B. Zygomatic
   C. Palatine
   D. Temporal

7. Which of the following structures is not present on the internal surface of mandible ?

   A. Genial tubercle
   B. Mylohyoid ridge
   C. Lingula
   D. Mental foramen

8. Which of the following is unpaired bone of facial skeleton______________?

   A. Nasal
   B. Lacrimal
   C. Inerior nasal concha
   D. Vomer

9. Which of the following is present in the posterior cranial fossa in a five year old child______________?

   A. Foramen rotundum
   B. Foramen lacerum
   C. Juglar foramen
   D. Zygomatic nerve

10. Which of the following does not pass through superior orbital fissure ______________?

    A. Oculomotor nerve
    B. Optic
    C. Ophthalmic division of trigeminal
    D. Trochlear