Ch. 17

Olfactory information is first received by which part of the brain?

A normal, relaxed inhalation carries about ________ of the inhaled air to the olfactory organs.

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

Gustatory receptors are located

What lingual papillae has the largest number of taste buds?

Stimulation of nociceptive receptors within the trigeminal nerve might produce a perception of

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

The palpebrae are connected at the

A structure that is located at the medial canthus and contains glands that contribute to a gritty deposit is the

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

The opening in the iris through which light passes is the

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

Pupillary muscle groups are controlled by the ANS. Parasympathetic activation causes pupillary ________, and sympathetic activation causes ________.

Why must accommodation occur to view objects closer than 20 feet from the eye?

The optic disc is a blind spot because

An elongate outer segment containing membranous discs and a narrow connecting stalk that attaches the outer segment to the inner segment describes

The first step in the process of photoreception is

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

Which of these anatomical sequences is correct?

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

The frequency of a perceived sound depends on

An infection that damages the vestibular nerve could result in a loss of

The structure attached to the oval window that transmits vibrations from the tympanic membrane to the inner ear is the

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

The sensory receptors of the semicircular canals are located in the

The structure that supports the organ of Corti is the

The vibrations received by the tympanic membrane are transferred to the oval window by the

What are stapes?