Question 1

Beginning at the external acoustic meatus,list,in order,the structures involved in hearing.

Accepted Answer

Sound waves enter the external acoustic meatus - tympanic membrane - auditory ossicles - oval window - basilar membrane - round window of scala tympani - hair cells vibrate against tectorial membrane - information relayed to CNS by cochlear nerve of cranial nerve VIII.

Question 2

The largest numbers of taste buds in adults are associated with the

Accepted Answer

A) pharynx. 
B) larynx. 
C) filiform papillae. 
D) fungiform papillae. 
E) circumvallate papillae. 
A) pharynx. 
B) larynx. 
C) filiform papillae. 
D) fungiform papillae. 
E) circumvallate papillae. E

Question 3

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

Accepted Answer

A) aqueous humor 
B) ciliary body 
C) iris 
D) extrinsic eye muscles 
E) none,because the lens is rigid 
A) aqueous humor 
B) ciliary body 
C) iris 
D) extrinsic eye muscles 
E) none,because the lens is rigid B

Question 4

An abnormal illusion of movement is called

Accepted Answer

A) conductive hearing loss. 
B) nerve hearing loss. 
C) vertigo. 
D) cataracts. 
E) myopia. 
A) conductive hearing loss. 
B) nerve hearing loss. 
C) vertigo. 
D) cataracts. 
E) myopia.

Question 5

The quantity of neurotransmitter that is released by a hair cell corresponds to all of the following except

Accepted Answer

A) responds to almost any mechanical stimulation of the hair cell. 
B) is sensitive to which way stereocilia are bent with respect to the kinocilium. 
C) determines if a sensory neuron will be excited. 
D) is greatest when the hair cell is at a neutral position. 
E) None of the answers is correct. 
A) responds to almost any mechanical stimulation of the hair cell. 
B) is sensitive to which way stereocilia are bent with respect to the kinocilium. 
C) determines if a sensory neuron will be excited. 
D) is greatest when the hair cell is at a neutral position. 
E) None of the answers is correct.

Question 6

Which layer of the eye would be the first affected by inadequate tear production?

Accepted Answer

A) pupil 
B) iris 
C) retina 
D) sclera 
E) conjunctiva 
A) pupil 
B) iris 
C) retina 
D) sclera 
E) conjunctiva

Question 7

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

Accepted Answer

A) contact a specialized olfactory cell. 
B) bind to receptors in olfactory dendrites. 
C) gate open ion channels. 
D) respond to applied pressure. 
E) be transported to the olfactory bulbs. 
A) contact a specialized olfactory cell. 
B) bind to receptors in olfactory dendrites. 
C) gate open ion channels. 
D) respond to applied pressure. 
E) be transported to the olfactory bulbs.

Question 8

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

Accepted Answer

A) intensely sweet. 
B) intensely sour. 
C) quite salty. 
D) peppery hot. 
E) decidedly bitter. 
A) intensely sweet. 
B) intensely sour. 
C) quite salty. 
D) peppery hot. 
E) decidedly bitter.

Question 9

The sense of taste is also known as

Accepted Answer

A) gustation. 
B) olfaction. 
C) equilibrium. 
D) proprioception. 
E) interoception. 
A) gustation. 
B) olfaction. 
C) equilibrium. 
D) proprioception. 
E) interoception.

Question 10

Each gustatory cell extends ________ (or taste hairs)into the surrounding fluids through a narrow taste pore.

Accepted Answer

A) papillae 
B) flagella 
C) cilia 
D) microvilli 
A) papillae 
B) flagella 
C) cilia 
D) microvilli

Question 11

Describe the structure of a photoreceptor.

Accepted Answer

A photoreceptor is made up of an outer s

Question 12

________,or pinkeye,results from damage to or irritation of the conjunctival surface.

Accepted Answer

A) Cataract 
B) Conjunctivitis 
C) Myopia 
D) Hyperopia 
E) Emmetropia 
A) Cataract 
B) Conjunctivitis 
C) Myopia 
D) Hyperopia 
E) Emmetropia

Question 13

________ fills the membranous labyrinth.

Accepted Answer

A) Interstitial fluid 
B) Perilymph 
C) Endolymph 
D) CSF 
E) Plasma 
A) Interstitial fluid 
B) Perilymph 
C) Endolymph 
D) CSF 
E) Plasma

Question 14

Which of the following descriptions best matches the term stereocilia?

Accepted Answer

A) move up and down when the stapes moves back and forth 
B) transmit movement of the tympanic membrane to the inner ear 
C) bending these produces receptor potential in hair cells 
D) tiny weights necessary for the static sense of equilibrium 
E) seal the oval window 
A) move up and down when the stapes moves back and forth 
B) transmit movement of the tympanic membrane to the inner ear 
C) bending these produces receptor potential in hair cells 
D) tiny weights necessary for the static sense of equilibrium 
E) seal the oval window

Question 15

The olfactory receptor cell can be activated by as few as ________ odorant molecules.

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 16

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

Accepted Answer

A) palpebra. 
B) lacrimal caruncle. 
C) lacrimal gland. 
D) Meibomian gland. 
E) conjunctiva. 
A) palpebra. 
B) lacrimal caruncle. 
C) lacrimal gland. 
D) Meibomian gland. 
E) conjunctiva.

Question 17

Light passing through the eye along the visual axis strikes what part of the retina?

Accepted Answer

A) optic nerve 
B) optic disc 
C) fovea centralis 
D) ganglion cells 
E) bipolar cells 
A) optic nerve 
B) optic disc 
C) fovea centralis 
D) ganglion cells 
E) bipolar cells

Question 18

When an external force bends the stereocilia of the inner ear hair cells,

Accepted Answer

A) the force is converted into mechanical energy. 
B) the hair cells are temporarily damaged. 
C) there is a change in the transmembrane potential of the hair cells. 
D) dizziness results. 
E) the cells become unresponsive. 
A) the force is converted into mechanical energy. 
B) the hair cells are temporarily damaged. 
C) there is a change in the transmembrane potential of the hair cells. 
D) dizziness results. 
E) the cells become unresponsive.

Question 19

The part of the eye that determines eye color is the

Accepted Answer

A) lens 
B) cornea. 
C) iris. 
D) pupil. 
E) retina 
A) lens 
B) cornea. 
C) iris. 
D) pupil. 
E) retina

Question 20

Olfactory glands

Accepted Answer

A) house the sense of smell. 
B) support the olfactory epithelium. 
C) react to aromatic molecules. 
D) coat the olfactory epithelium with a pigmented mucus. 
E) group as olfactory bulbs. 
A) house the sense of smell. 
B) support the olfactory epithelium. 
C) react to aromatic molecules. 
D) coat the olfactory epithelium with a pigmented mucus. 
E) group as olfactory bulbs.

Exam 15: The Special Senses

Beginning at the external acoustic meatus,list,in order,the structures involved in hearing.

The largest numbers of taste buds in adults are associated with the

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

An abnormal illusion of movement is called

The quantity of neurotransmitter that is released by a hair cell corresponds to all of the following except

Which layer of the eye would be the first affected by inadequate tear production?

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

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

The sense of taste is also known as

Each gustatory cell extends ________ (or taste hairs)into the surrounding fluids through a narrow taste pore.

Describe the structure of a photoreceptor.

________,or pinkeye,results from damage to or irritation of the conjunctival surface.

________ fills the membranous labyrinth.

Which of the following descriptions best matches the term stereocilia?

The olfactory receptor cell can be activated by as few as ________ odorant molecules.

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

Light passing through the eye along the visual axis strikes what part of the retina?

When an external force bends the stereocilia of the inner ear hair cells,

The part of the eye that determines eye color is the

Olfactory glands

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Skeleton

Joints

Skeletal Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain, cranial Nerves, and Sensory and Motor Pathways

The Autonomic Nervous System

The Endocrine System

Blood

The Heart and Cardiovascular Function

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, nutrition, and Energetics

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters