Anatomy Senses

Anatomy of the eye responsible for color vision:

• retina

• rods

• cones

• optic disc

Ear stone compose of protein and calcium.

• microvilli

• otoliths

• gelatinous mass

• nerve fibers

Which of these statements about taste is NOT true?

• Taste buds are oval structures located on the surface of certain papillae on the tongue.

• Each taste bud has about 40 taste cells

• Taste cells contain hair-like processes called taste hairs.

• Many taste sensations are strongly influenced by olfactory sensations.

• Taste buds are only able to detect one taste sensation.

The middle layer of the eye that, consists of the choroid, ciliary body, and iris is:

• the conjunctiva.

• the fibrous tunic.

• the vascular tunic.

• the nervous tunic.

• the crystalline lens.

Which of the following special senses is relayed directly to the cerebral cortex without going to the thalamus?

• smell

• taste

• sight

• sound

• touch

Tags

NGSS.MS-LS1-8

Why does a person's nose run when he cries?

• Tears drain into the nasal cavity via the nasolacrimal duct.

• Parasympathetic nerve stimulation causes the nose to secrete mucus.

• Intense stimulation of the facial nerve as a result of crying increases nasal secretions.

• The lacrimal glands secrete tears directly into the nose.

• This stimulates fluid production in the nose.

The external ear terminates at the:

• pinna

• oval window

• tympanic membrane

• internal auditory meatus

• ossicles

There are how many functional olfactory receptors?

• 200

• 300

• 400

• 500

• 600

detect light touch and superficial pressure and are found in the epidermis.

• Meissner's corpuscles

• Pacinian corpuscles

• Merkel's disks

• Ruffini corpuscles

• Free nerve endings

Olfaction:

• taste

• touch

• smell

• sight

Tags

NGSS.MS-LS1-8