Chapter 17- Special Senses

When all three cone populations are stimulated equally, we perceive

Before an olfactory receptor can detect an odorant, it has to

The ciliary muscle contracts to

A type of farsightedness that results from a loss of lens elasticity with age is

Olfactory receptors send axons through the cribriform plate. They synapse on neurons in the

Where are the visual pigments located in the rods and cones?

The chain of ossicles begins at the __________ and ends at the __________.

A sudden, loud noise will reflexively cause the tensor tympani muscle to __________ and cause the stapedius muscle to __________.

The cell of the retina that produces an action potential that goes to the brain is a(n)

The ________ convey(s) information about head position with respect to gravity.

Taste buds are clusters of individual

The first step in the olfactory process is __________.

The purpose of the two small muscles, the tensor tympani and the stapedius, in the ear is to

Identify the structure that contains the preganglionic nerve fibers of the olfactory nerve.

Which of the following is NOT a structure within the visual axis?

The neural tunic of the eye

The secretion commonly called earwax is produced by ________ glands.

The abnormality that develops when a lens loses its transparency is known as

The human lens focuses light on the photoreceptor cells by

The superficial hard part of the inner ear is called the ________ and contains ________.

The cochlear receptors that provide our sense of hearing are

The membrane structures that respond to chemical stimuli to produce sweet, bitter, and umami sensations are called

*****The palpebrae are connected at the

The gritty deposit that accumulates in the medial canthus is secreted by the __________.

The receptors responsible for auditory sensations are located in a structure called the __________.

The first step in the process of olfaction is __________.

Which of the following is false concerning lacrimal glands?

All visual pigments contain __________ derived from __________.

Which of these is NOT one of the three layers of the eye?

Which of these is the correct pathway for transmission of visual information?

Which of these functions does the vascular layer serve?

A person suffering from ________ can see objects that are close, but distant objects appear blurred.

Having to adjust to a dark room after walking in from bright light is because

Under which condition would the release of neurotransmitter by photoreceptors be greatest?

In the human eye, most refraction occurs when light passes through the

During accommodation, the ciliary muscle ________ and the suspensory ligaments become ________ which, in turn, cause the lens to become ________.

The middle ear communicates with the nasopharynx through the

Which of the following is NOT a property of the palpebrae?

The ________ covers most of the exposed surface of the eye.

The region of the retina that contains ONLY tightly packed cones is the __________.

Which of the following lingual papillae has the largest number of taste buds?

The sense of hearing is provided by receptors in the

Standing still in an elevator that suddenly lowers will stimulate receptors in the

Which of the following anatomical sequences is correct?

Some neural tissues retain stem cells and thus the capacity to divide and replace lost neurons. Which of these special senses can replace its damaged neural receptors?

Which of the following description applies to the term myopia?

The ________ ear collects sounds waves and transmits them to the ________ ear, which contains auditory ossicles.

The transparent portion of the fibrous tunic is the

Which of the following is involved in the gustatory perception of an amino acid?

The hair cells of the utricle and saccule are clustered in

In this picture, the label is on the vascular layer of the eye. Which structure would NOT be found in the vascular layer?

A ray of light entering the eye will encounter the following structures in which order?

The "white" of the eye is part of the __________ layer.

Olfactory glands __________.

Visual pigments are derivatives of the compound

The external acoustic meatus ends at the

Gravity and linear acceleration are sensed in the

What structure changes the shape of the lens for far and near vision?

What is the difference between rods and cones with respect to color vision?

Amacrine and ________ cells facilitate or inhibit communication between photoreceptors and ganglion cells.

When you spin quickly, you may feel dizzy. Which component of the inner ear generates the sensations that can lead to this feeling?

Gustatory receptors are found in __________.

There are three different types of cones, each one sensitive to different light energies. These cones are designated

________ fills the membranous labyrinth.

Low frequency sounds stimulate hair cells on which part of the basilar membrane?

Which of these statements regarding the cornea is FALSE?

Bipolar neurons in the retina __________.

Relative movement of the __________ in the semicircular ducts signals rotation of the head.

The function of the auditory tube is to

Gustatory receptors are located

The external ear does NOT include the __________.

"An elongated outer segment containing membranous discs that is connected by a thin stalk to the inner segment" best describes __________.

Which of the flowing explanations best describes why olfaction can elicit powerful emotional responses?

________ sensations inform us of the position of the head in space by monitoring gravity, linear acceleration, and rotation.

The space between the iris and ciliary body and the lens is the

Olfactory glands secrete a thick, pigmented ________ that absorbs water.