First sinus developed ______________?

Related Mcqs:

1. Maxillary sinus is described as a four sided pyramid containing base, apex, roof and floor. The apex of maxillary sinus extends________________?

   A. Laterally into zygomatics process of maxilla
   B. Medially into zygomatic process of maxilla
   C. Laterally into lateral nasal wall
   D. Superiorly into floor of orbit

2. What is maxillary air sinus ?

   A. Paranasal air sinus situated close to maxilla
   B. Venous sins situated close to maxilla
   C. Paranasal air sinus situated in maxilla
   D. Venous sinus extending in to the maxilla

3. Sphenoidal air sinus is supplied by which nerve______________?

   A. Posterior ethmoidal
   B. Posterior superior
   C. Sphenoidal
   D. Infratemporal

4. The maxillary air sinus opens into middle meatus at______________?

   A. Infundibulum
   B. Summit of infundibulum
   C. Bulla ethmoidalis
   D. Hiatus semilunaris

5. The frontal paranasal sinus drains into the_______________?

   A. Superior meatus
   B. Middle meatus
   C. Inferior meathus
   D. Spheno- ethmoidal recess

6. Which of the following is a paired venous sinus of duramater_________________?

   A. Cavernous sinus
   B. Superior petrosal
   C. Transverse sinus
   D. All of the above

7. The cavernous sinus communicates directly with all , except_______________?

   A. Inferior petrosal sinus
   B. Pterygoid venous plexus
   C. Veins in orbit
   D. Sigmoid and straight sinus

8. The transverse venous sinus continues as_________________?

   A. Straight sinus
   B. Cavernous sinus
   C. Sigmoid sinus
   D. Ethmoidal sinus

9. Which of the following does not pass through cavernous sinus ?

   A. Occulomotor ( III) nerve
   B. Traochlear nerve
   C. Medial cerebral artery
   D. Trigeminal nerve

10. Sphenoidal air sinus is supplied by ________ nerve?

    A. Posterior ethmoidal nerve
    B. Posterior superior alveolar nerve
    C. Sphenoidal nerve
    D. Infratemporal nerve