A&P I Chapter 15 Reading

In glaucoma, damage occurs primarily to the ______.

In theory, cataracts could be prevented by invention of a treatment that would ______.

Identify the muscle that is controlled by the abducens nerve (CN VI).

Identify the muscle responsible for depressing the eye and turning it laterally.

Name the muscle at D.

Which layer of the eye is indicated by letter A?

Identify the choroid.

Identify the layer that contains both a single-celled pigmented layer and a neural layer.

Identify the type of neuronal cell that detects bright light and provides high-resolution color vision.

Identify the type of neuron that would be secreting neurotransmitter in the light.

Identify the neuron that is last in the transmission pathway of light information, given the cells shown in this image.

Which accessory eye structure is NOT correctly matched with its function?

Which structure provides the vascular support for the eye?

What structure in the eye creates a visual blind spot?

Which of the following is a characteristic of the lens?

Which structure is NOT matched with its function?

You want to look up and to your right. Which extrinsic eye muscles would be the most active in each eye?

Aqueous humor forms during capillary filtration in the __________?

What is the portion of the eye that allows light to pass into the posterior chamber?

Which of the following statements is true?

Atropine eye drops are used to temporarily paralyze the accommodation reflex and as a long-lasting pupil dilating agent, or mydriatic. What action causes the dilation effect?

What term refers to the eye's moving medially to track items close at hand?

During close vision, what actions must the eye take to bring an object into focus?

This image best illustrates an eyeball that is __________.

As the ciliary muscle relaxes, the suspensory ligaments tighten and stretch the lens, allowing for distance vision.

Choose the correctly paired terms.

In a 30 year old man who has red-green color blindness, light having a wavelength of 530 nm is perceived as being green. This man ______.

Which of the following statements is FALSE?

Which photoreceptors respond to very dim light?

As light hits the retina, the first structure the light encounters is a rod or a cone.

If the optic chiasma is destroyed but the rest of the visual pathway to the brain is not damaged, the result would be ______.

Which part of the visual pathway is responsible for our daily biorhythms?

Damage to the medial portion of the optic chiasm, cause by a pituitary tumor, would lead to __________.

During otitis media, large amounts of fluid or pus may accumulate in the tympanic cavity; the fluid is primarily ______.

Identify the structure that forms cranial nerve I.

Which cells in this pathway are ciliated?

Which of these is NOT found in the olfactory epithelium?

How are the olfactory receptors activated?

Choose the FALSE statement about the olfactory epithelium.

Which of the following would be the LEAST likely to be associated with the development of motion sickness?

Which of these lettered structures serve as the taste cells?

Name the types of papillae that contain taste buds.

What is the purpose of the cell at letter B?

Which of the following is the basic taste quality responsible for the amino acid flavor of steak?

Most taste buds are located __________.

Which of the following is NOT a requirement for something to be tasted?

Rubella infection during early pregnancy may cause damage to the embryo's ______.

Which region of the ear houses perilymph and endolymph?

Which letter indicates structures involved in detection of BOTH hearing and equilibrium?

A middle ear infection (otitis media) would be located in which region?

Damage to which of these structures can result in sensorineural deafness?

Otosclerosis, which can result in conduction deafness, affects which of these structures?

What are the names of the bones at A, in order from left to right?

What part of the inner ear houses the receptor organ of hearing, the spiral organ (organ of Corti)?

Which part of the inner ear houses receptors for rotational (angular) movement of the head?

Name the enlarged swelling at the end of A that is a sensory structure.

Which middle ear ossicle is attached to, and transmits vibratory motion to, the oval window?

Which portion of the ear is responsible for sound transduction?

How many ossicles are found in the ear?

What type of channel is responsible for the initial changes in the membrane potential of the hair cells, which ultimately determines the cochlear nerve response to sound?

Name the structure represented by (1).

Identify the function of (2) in this image.

Transduction of lower frequency sound waves occurs at the __________ of the cochlea.

At rest, when no sound is entering the cochlea, the hair cells send no signal.

Height of a wave is called the __________.

What structure helps us localize sound?

Congenital sensorineural deafness most commonly involves damage to ______.

Which of the following are the receptors for static equilibrium?

What does the vestibular apparatus detect?

Which of the following correctly matches the equilibrium receptor organs to the type of equilibrium it monitors?

Where are equilibrium receptors located?

The semicircular canals are adapted to detect static equilibrium.

Which of the following is true of receptors for dynamic equilibrium?

Information from balance (equilibrium) receptors is processed in __________.