SQUINT MCQ 3

1.      Inferior oblique arises from

A. lateral to lacrimal sac

B.  medial to lacrimal sac

C.  superior to lacrimal sac

D. inferior to lacrimal sac

E.  none of above

2.      The types of vergences include all except

A.      Tonic

B.      Fusional

C.      Accommodative

D.     Proximal

E.  Duction

3.      The muscles of the same eye that move the eye in same direction are called

A.      Agonist

B.      Antagonist

C.    Synergist

D.     Yolk muscles

                               e.       None of above 

4.      The muscles of same eye that move eye in opposite direction are called

A.      Agonist

B.    Antagonist

C.      Synergist

D.     Yolk muscles

E.      None of above

5.      The muscles in opposite eyes that move the eye in same direction are called

A.      Agonist

B.      Antagonist

C.      Synergist

D. Yolk muscles

                               e.      None of above 

6.      The increased innervation to an extra-ocular muscle resuts in a decreased innervation  of its antagonist muscle. This is called

A.   Sherrington law

B.      Hering law

C.      Agonist law

D.     Antagonist law

                               e.    Yolk muscle law 

7.      The law that states that increased innervation to a muscle is accompanied by simultaneous and equal innervation to its yolk muscle. The law is called

A.      Sherrington law

B.    Hering law

C.      Agonist law

D.     Antagonist law

E.      Yolk muscle law

8.      The muscle sequale  in a paretic muscle include all except

A.      Primary underaction

B.      Secondary underaction of yolk muscle

C.      Secondary overaction of antagonist muscle

D.     Secondary inhibition of contralateral antagonist

E.  Tertiary underaction

9.      The active inhibition by visual cortex of the image from one eye when both eyes are open is called

A.      Abnormal retinal correspondence

B.      Eccentric fixation

C.      Bifoveal fixation

D.     Microtropia

E.  Suppression

10.      The process in which image form the fovea of the deviating eye is inhibited to avoid confusion is called

A.      Peripheral suppression

B.    Central suppression

C.      Temporal suppression

D.     Nasal suppression

E.  None of above