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

Related Mcqs:

1. The transverse venous sinus continues as_________________?

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

2. 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

3. In which one of the following organs the venous emboli are most often iodged ?

   A. Lungs
   B. Kidneys
   C. Intestines
   D. Heart

4. CSF is directly returned to venous system by _____________?

   A. Choroid plexus
   B. Cerebral veins
   C. Arachnoid villi
   D. Emissary veins

5. The oxygen tension of the mixed venous blood is______________?

   A. 25 mm Hg
   B. 40 mm Hg
   C. 55 mm Hg
   D. 70 mm Hg

6. Venous emboli are most often lodged in_____________?

   A. Intestines
   B. Lungs
   C. Kidneys
   D. Heart

7. The most common site of origin for venous thrombi leading to pulmonary embolism is_____________?

   A. Ascending oaorta
   B. Portal vein
   C. Deep leg veins
   D. Right atrium

8. Venous malformation involving the leptomeninges of the cerebral cortex is salient feature of_____________?

   A. Rendu-Osler-Weber disease
   B. Maffuci’s syndrome
   C. Angioosteohypertrophy syndrome
   D. Sturge weber syndrome

9. Tributary of the cavernous sinus includes all of the following, except ?

   A. Superior petrosal sinus
   B. Inferior petrosal sinus
   C. Superficial middle cerebral vein
   D. Deep middle cerebral vein

10. All of the following structures are related to cavernous sinus except______________?

    A. 2nd optic nerve
    B. 4th nerve
    C. 6th nerve
    D. Mandibular division of trigeminal nerve