Question 1

How would blockage of the auditory (Eustachian)tube at its exit in the nasopharynx by lymphatic tissue ("adenoids")affect ear function and health?

Accepted Answer

Blockage of the auditory tube leads to p

Question 2

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

Accepted Answer

A) microvilli 
B) villi 
C) papillae 
D) palpebra 
E) G proteins 
A) microvilli 
B) villi 
C) papillae 
D) palpebra 
E) G proteins

Question 3

The vestibular nuclei at the boundary of the pons and the medulla function in all of the following except

Accepted Answer

A) integrating the vestibular information arriving from each side of the head. 
B) relaying vestibular information to the cerebellum. 
C) relaying vestibular information to the cerebral cortex. 
D) sending commands to motor nuclei in the brain stem and spinal cord. 
E) sending information to the vestibular complex of the inner ear. 
A) integrating the vestibular information arriving from each side of the head. 
B) relaying vestibular information to the cerebellum. 
C) relaying vestibular information to the cerebral cortex. 
D) sending commands to motor nuclei in the brain stem and spinal cord. 
E) sending information to the vestibular complex of the inner ear.

Question 4

Sally's driver's license indicates that she must wear glasses when she drives.She does not need glasses to see objects that are close.What type of lenses is in Sally's eyeglasses? How do they work?

Accepted Answer

Sally is apparently nearsighte

Question 5

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

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

Question 6

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

Accepted Answer

A) inner; middle 
B) outer; middle 
C) outer; inner 
D) middle; inner 
E) superficial; deep 
A) inner; middle 
B) outer; middle 
C) outer; inner 
D) middle; inner 
E) superficial; deep

Question 7

The region of the ampulla that contains the receptors for rotational (dynamic)equilibrium are called

Accepted Answer

A) utricles. 
B) cristae. 
C) ampullae. 
D) fovea. 
E) maculae. 
A) utricles. 
B) cristae. 
C) ampullae. 
D) fovea. 
E) maculae.

Question 8

The gelatinous material that gives the eyeball its basic shape is the

Accepted Answer

A) vitreous humor. 
B) aqueous humor. 
C) ora serrata. 
D) perilymph. 
E) posterior cavity. 
A) vitreous humor. 
B) aqueous humor. 
C) ora serrata. 
D) perilymph. 
E) posterior cavity.

Question 9

A sudden increase of light into the eye would cause

Accepted Answer

A) contraction of the sphincter pupillary muscles. 
B) contraction of the radial pupillary muscles. 
C) conversion of 11-trans to 11-cis retinal. 
D) a decrease in the size of the pupil. 
E) parasympathetic stimulation to the pupil. 
A) contraction of the sphincter pupillary muscles. 
B) contraction of the radial pupillary muscles. 
C) conversion of 11-trans to 11-cis retinal. 
D) a decrease in the size of the pupil. 
E) parasympathetic stimulation to the pupil.

Question 10

Jane develops a cataract in one eye and gets a vision test.Her test result for that eye is reported as 20/400.What does this mean? Is a rating of 20/20 better or worse?

Accepted Answer

A visual acuity of 20/400 mean

Question 11

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

Accepted Answer

A) red,yellow,blue. 
B) red,green,blue. 
C) red,green,yellow. 
D) yellow,red,blue. 
E) red,white,blue. 
A) red,yellow,blue. 
B) red,green,blue. 
C) red,green,yellow. 
D) yellow,red,blue. 
E) red,white,blue.

Question 12

The energy from a pressure wave in the cochlear fluids is released by the bulging and stretching of the

Accepted Answer

A) tectorial membrane. 
B) cochlear duct. 
C) round window. 
D) vestibular membrane. 
E) oval window. 
A) tectorial membrane. 
B) cochlear duct. 
C) round window. 
D) vestibular membrane. 
E) oval window.

Question 13

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

Accepted Answer

A) move the ossicles. 
B) reduce damage to the earbones. 
C) contract quickly when there is a loud sound. 
D) protect the tympanic membrane. 
E) All of the answers are correct. 
A) move the ossicles. 
B) reduce damage to the earbones. 
C) contract quickly when there is a loud sound. 
D) protect the tympanic membrane. 
E) All of the answers are correct.

Question 14

Which of the following is false concerning lacrimal glands?

Accepted Answer

A) They produce a strongly hypertonic fluid. 
B) They produce most of the volume of tears. 
C) They produce lysozyme. 
D) They produce watery,slightly alkaline secretions. 
E) They are located in recesses in the frontal bones. 
A) They produce a strongly hypertonic fluid. 
B) They produce most of the volume of tears. 
C) They produce lysozyme. 
D) They produce watery,slightly alkaline secretions. 
E) They are located in recesses in the frontal bones.

Question 15

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 16

The olfactory organ consists of the ________ and the lamina propria.

Accepted Answer

A) gustatory cells 
B) basilar membrane 
C) olfactory epithelium 
D) hippocampus 
E) ethmoid bone 
A) gustatory cells 
B) basilar membrane 
C) olfactory epithelium 
D) hippocampus 
E) ethmoid bone

Question 17

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

Accepted Answer

A) Nociceptor 
B) Proprioceptor 
C) Olfactory 
D) Gustatory 
E) Vestibular 
A) Nociceptor 
B) Proprioceptor 
C) Olfactory 
D) Gustatory 
E) Vestibular

Question 18

________ is a fluid similar to cerebrospinal fluid that fills the space between the bony labyrinth and the membranous labyrinth

Accepted Answer

A) Perilymph 
B) Endoplasma 
C) Interstitial fluid 
D) Endolymph 
E) Blood 
A) Perilymph 
B) Endoplasma 
C) Interstitial fluid 
D) Endolymph 
E) Blood

Question 19

The olfactory receptors are highly modified

Accepted Answer

A) epithelial cells. 
B) interneurons. 
C) sensory neurons. 
D) motor neurons. 
E) fibrocytes. 
A) epithelial cells. 
B) interneurons. 
C) sensory neurons. 
D) motor neurons. 
E) fibrocytes.

Question 20

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

Accepted Answer

A) under normal room light 
B) in a pitch-black room after 30 minutes 
C) immediately after going outside in bright sunlight 
D) focusing intently on a close object 
E) focusing intently on a distant object 
A) under normal room light 
B) in a pitch-black room after 30 minutes 
C) immediately after going outside in bright sunlight 
D) focusing intently on a close object 
E) focusing intently on a distant object

Exam 17: The Special Senses

How would blockage of the auditory (Eustachian)tube at its exit in the nasopharynx by lymphatic tissue ("adenoids")affect ear function and health?

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

The vestibular nuclei at the boundary of the pons and the medulla function in all of the following except

Sally's driver's license indicates that she must wear glasses when she drives.She does not need glasses to see objects that are close.What type of lenses is in Sally's eyeglasses? How do they work?

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

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

The region of the ampulla that contains the receptors for rotational (dynamic)equilibrium are called

The gelatinous material that gives the eyeball its basic shape is the

A sudden increase of light into the eye would cause

Jane develops a cataract in one eye and gets a vision test.Her test result for that eye is reported as 20/400.What does this mean? Is a rating of 20/20 better or worse?

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

The energy from a pressure wave in the cochlear fluids is released by the bulging and stretching of the

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

Which of the following is false concerning lacrimal glands?

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

The olfactory organ consists of the ________ and the lamina propria.

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

________ is a fluid similar to cerebrospinal fluid that fills the space between the bony labyrinth and the membranous labyrinth

The olfactory receptors are highly modified

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

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

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