Special senses

Which of the following receptors are more sensitive?

• Gustatory

• Olfactory

Which of the following are NOT found in the olfactory epithelium?

• Basal cells

• Olfactory glomeruli

• Receptor cells

• Supporting cells

Depolarisation of olfactory receptors is mediated by:

• Acetylcholine

• ATP

• Cyclic AMP

• Potassium ions

Taste buds have:

• Arms

• Cilia

• Legs

• Microvilli

In the eye, what does the pigment epithelium contain?

• Haemoglobin

• Melanin

• Melatonin

• Photoreceptor cells

Cones detect:

• Colours in dim light

• Colours in bright light

• Shades of grey in dim light

• Shades of grey in bright light

What is the photopigment in rods?

• Opsin

• Retinal

• Rhodopsin

• Vitamin A

Light entering the eye passes cells in what order?

• Bipolar, ganglion, photoreceptor

• Ganglion, bipolar, photoreceptor

• Photoreceptor, bipolar, ganglion

• Photoreceptor, ganglion, bipolar

Which of the following is NOT one of the auditory ossicles?

• Humerus

• Incus

• Malleus

• Stapes

Which of the following is NOT part of the inner ear?

• Basilar membrane

• Cochlear duct

• Tympanic membrane

• Vestibular membrane