Exam 17: A: Sense Organs

Gustatory cells are responsible for the sense of taste.

The olfactory receptor cells lie in an excellent position functionally to smell delicate odors.

The tip of the tongue reacts best to sweet taste.

The correct order of the auditory ossicles deep to the tympanic membrane is malleus,incus,and stapes.

The terms auricle and pinna refer to the same anatomical structure of the ear.

As the frequency of a sound wave increases,it causes the basilar membrane to vibrate nearer the oval window.

The ability to sense the presence of your books when you have been holding them for a long time depends on the functioning of the Krause end bulbs.

Osmoreceptors detect changes in the concentration of electrolytes in body fluids and can stimulate the hypothalamic thirst center.

The tectorial membrane is responsible for generating impulses to maintain static equilibrium.

Color blindness is caused by mistakes in producing three photopigments in the cones.

Rhodopsin,the photopigment in rods,is less sensitive to light than cone pigments are.

Nociceptors can respond to intense light.

Farsightedness,which is often the inability to focus the lens properly as we age,is also called presbyopia.

The section above the cochlear duct is called the scala vestibuli.

Touch and pressure are examples of stimuli that activate mechanoreceptors.

Photoreceptors are found only in the eye.

In order to produce the sharpest image,light is focused on the optic disk of the eye.

You feel hungry because of a proprioceptor.

From superficial to deep,the three layers of tissue that compose the eyeball are sclera,choroid,and retina.

If you cut yourself on the finger,the fiber sending the message to your brain would be a type A pain fiber.