Nervous system & Special senses

Which of the following is NOT a tunic of the eye?

• Choroid

• Conjunctiva

• Retina

• Sclera

The following structures contain BIPOLAR cells:

• Retina

• Olfactory epithelium

• Vestibular nerve

• Taste buds

While focussing a DISTANT object, the lens will be

• more convex with pupils dilated

• more convex with pupils constricted

• flattened with pupils dilated

• flattened with pupils constricted

The SUPERIOR OBLIQUE muscle of the eyeball is supplied by the

• Optic nerve

• Oculomotor nerve

• Trochlear nerve

• Abducent nerve

A person looking at an object on his right without turning his face would be using which of the following pairs of muscles?

• Right medial rectus and left lateral rectus

• Right lateral rectus and left medial rectus

• Left medial rectus and right lateral rectus

• Left lateral rectus and right medial rectus

A problem with the CERVICAL SYMPATHETIC trunk/chain will result in

• Ptosis of the eyelid

• Pupillary constriction

• Absence of sweating on the affected side

• Diplopia (Double vision)

The skull bone pierced by the OLFACTORY nerves:

• Lacrimal

• Sphenoid

• Ethmoid

• Nasal

The organs of HEARING are located here:

• Cochlea

• Utricle

• Semicircular canals

• Saccule

In the optic pathway, the RIGHT OCCIPITAL CORTEX receives optic nerve fibres from

• the right retina

• right half of the right and left retinas

• the left retina

• left half of right and left retinas

Which of the following is a receptor for PAIN?

• Meissners corpuscle

• Free nerve endings

• Merkel's disk

• Ruffini end organ