IMSPQ F4 04 July - Sensory

Tickle and itch sensations use Anterolateral System for the sensory pathway.

• True

• False

Paleospinothalamic Pathway for Transmitting Slow-Chronic pain.

• True

• False

Glutamate is one of the most widely used excitatory in the PNS.

• True

• False

Concave Lens diverges light rays, but the convex lens converges light rays.

• True

• False

Inner plexiform layer of Retina’s layers stores large quantities of Vitamin A.

• True

• False

Transducin in Retinal portion activates cGMP phosphodiesterase, an enzyme that catalyzes the breakdown of 5’-GMP to cGMP.

• True

• False

Attenuation reflex is a reflex to protect the cochlea from damaging vibrations caused by excessively loud sound.

• True

• False

Bending of the hairs in one direction depolarizes the hair cell. This in turn excites the auditory nerve fibers synapsing with their bases.

• True

• False

A substance used frequently by psychologist for demonstrating taste blindness is phenylthiocarbamide.

• True

• False

Sweet-tasting compounds are detected by receptor ENaC.

• True

• False