Receptors

Which type of receptor is a Pacinian corpuscle?

• thermo

• chemo

• mechano

• photo

Which specific type of sodium channel is found in a Pacinian corpuscle?

• voltage-gated

• ligand-gated

• stretch-mediated

Where can Pacinian corpuscles be found?

• tendons

• skin

• ligaments

In a Pacinian corpuscle, what name is given to the layers of connective tissue surrounding the nerve ending? C------ (7)

What type of 'potential' occurs in a receptor prior to an action potential being generated? G-------- (9)

What is the pigment found in rod cells?

• rhodopsin

• iodopsin

• carotene

• retinal

Which are the primary colours of light (the different colours of light that cone cells detect)?

• red

• yellow

• green

• blue

Which type of cell does a rod cell form a synapse with?

• sensory neurone

• bipolar neurone

• motor neurone

Which is true of rod cells?

• high visual acuity, high visual sensitivity

• high visual acuity, low visual sensitivity

• low visual acuity, low visual sensitivity

• low visual acuity, high visual sensitivity

Which is true of cone cells?

• high visual acuity, high visual sensitivity

• high visual acuity, low visual sensitivity

• low visual acuity, low visual sensitivity

• low visual acuity, high visual sensitivity