Question 1

Describe the steps involved in the action of a muscle spindle.

Accepted Answer

1.A muscle relaxes too much.
2.Muscle sp

Question 2

In farsightedness,

Accepted Answer

A)  the cornea is uneven. 
B)  rays do not focus evenly. 
C)  rays focus in front of the retina. 
D)  the eyeball is shorter than normal. 
E)  a concave lens corrects vision. 
A)  the cornea is uneven. 
B)  rays do not focus evenly. 
C)  rays focus in front of the retina. 
D)  the eyeball is shorter than normal. 
E)  a concave lens corrects vision.

Question 3

When you entered the room,there was a faint smell of smoke,but after about an hour,you no longer noticed the smell.What happened?

Accepted Answer

A)  sensory reception 
B)  sensory adaptation 
C)  mechanoreception 
D)  nociception 
E)  thermoreception 
A)  sensory reception 
B)  sensory adaptation 
C)  mechanoreception 
D)  nociception 
E)  thermoreception

Question 4

Which of the following is a genetic mutation that affects males more than females?

Accepted Answer

A)  astigmatism 
B)  farsightedness 
C)  nearsightedness 
D)  red-green color blindness 
E)  blindness 
A)  astigmatism 
B)  farsightedness 
C)  nearsightedness 
D)  red-green color blindness 
E)  blindness

Question 5

What type of exteroceptors are located in the ear?

Accepted Answer

A)  mechanoreceptors 
B)  chemoreceptors 
C)  photoreceptors 
D)  thermoreceptors 
E)  none of these 
A)  mechanoreceptors 
B)  chemoreceptors 
C)  photoreceptors 
D)  thermoreceptors 
E)  none of these

Question 6

All of the parts of the inner ear are concerned with equilibrium.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following statements is not true concerning olfactory cells?

Accepted Answer

A)  Olfactory cells are located in the roof of the nasal cavity. 
B)  Olfactory cells are modified neurons. 
C)  Each olfactory cell has only one out of several hundred different types of receptor proteins. 
D)  Each olfactory cell has its own individual neuron leading to the olfactory bulb. 
E)  Olfactory cells end in a tuft of about five cilia. 
A)  Olfactory cells are located in the roof of the nasal cavity. 
B)  Olfactory cells are modified neurons. 
C)  Each olfactory cell has only one out of several hundred different types of receptor proteins. 
D)  Each olfactory cell has its own individual neuron leading to the olfactory bulb. 
E)  Olfactory cells end in a tuft of about five cilia.

Question 8

Sensory receptors of the skin are very distinct- each one has its own function.

Accepted Answer

A) True 
 B)False

Question 9

How can you tell the difference between the sound of a tuba and that of a flute?

Accepted Answer

A)  Each part of the spiral organ is sensitive to different wave frequencies. 
B)  The brain interprets pitches based on the strength of the sound waves. 
C)  Lower pitches cause the tympanic membrane to vibrate, while higher pitches vibrate the vestibular canal. 
D)  Lower pitches activate all three bones of the middle ear, while higher pitches only activate one or two. 
E)  The cochlear nerve fires more frequently for higher pitches and less frequently for lower pitches. 
A)  Each part of the spiral organ is sensitive to different wave frequencies. 
B)  The brain interprets pitches based on the strength of the sound waves. 
C)  Lower pitches cause the tympanic membrane to vibrate, while higher pitches vibrate the vestibular canal. 
D)  Lower pitches activate all three bones of the middle ear, while higher pitches only activate one or two. 
E)  The cochlear nerve fires more frequently for higher pitches and less frequently for lower pitches.

Question 10

Which of the following structures of the eye does not touch the lens?

Accepted Answer

A)  cornea 
B)  suspensory ligaments 
C)  aqueous humor 
D)  vitreous humor 
E)  pupil 
A)  cornea 
B)  suspensory ligaments 
C)  aqueous humor 
D)  vitreous humor 
E)  pupil

Question 11

It is just a myth that eating carrots will improve your night vision.

Accepted Answer

A) True 
 B)False

Question 12

What is the correct order of cells within the retina starting in the posterior compartment and ending in the choroid?

Accepted Answer

A)  rod and cone cell layer, bipolar cell layer, ganglion cell layer 
B)  sclera, rod and cone cell layer, ganglion cell layer 
C)  bipolar cell layer, rod and cone cell layer, sclera 
D)  ganglion cell layer, bipolar cell layer, rod and cone cell layer 
E)  ganglion cell layer, rod and cone cell layer, sclera 
A)  rod and cone cell layer, bipolar cell layer, ganglion cell layer 
B)  sclera, rod and cone cell layer, ganglion cell layer 
C)  bipolar cell layer, rod and cone cell layer, sclera 
D)  ganglion cell layer, bipolar cell layer, rod and cone cell layer 
E)  ganglion cell layer, rod and cone cell layer, sclera

Question 13

Which of the following is not a layer or coat of the eye?

Accepted Answer

A)  sclera 
B)  choroid 
C)  retina 
D)  aqueous humor 
E)  collagen fibers 
A)  sclera 
B)  choroid 
C)  retina 
D)  aqueous humor 
E)  collagen fibers

Question 14

Which of the following is found within the cochlea?

Accepted Answer

A)  stapes 
B)  spiral organ 
C)  tympanic membrane 
D)  semicircular canals 
E)  incus 
A)  stapes 
B)  spiral organ 
C)  tympanic membrane 
D)  semicircular canals 
E)  incus

Question 15

Memories are often elicited by smell.

Accepted Answer

A) True 
 B)False

Question 16

List in order the structures that are responsible for hearing,starting with the external structures and moving toward the brain.

Accepted Answer

Sound is collected by the pinna and dire

Question 17

Many rod cells share one bipolar cell but cone cells do not.Certain cone cells synapse with only one ganglion cell.What are the consequences of this arrangement?

Accepted Answer

A)  Rod cells distinguish color better than cone cells. 
B)  Cone cells are better up close, while rod cells are better far away. 
C)  Rod cells are better up close, while cone cells are better far away. 
D)  Rod cells distinguish more detail than cone cells. 
E)  Cone cells distinguish more detail than rod cells. 
A)  Rod cells distinguish color better than cone cells. 
B)  Cone cells are better up close, while rod cells are better far away. 
C)  Rod cells are better up close, while cone cells are better far away. 
D)  Rod cells distinguish more detail than cone cells. 
E)  Cone cells distinguish more detail than rod cells.

Question 18

List the four categories of sensory receptors and describe what they respond to.

Accepted Answer

Chemoreceptors: respond to chemical subs

Question 19

Which of the following is involved in rotational equilibrium?

Accepted Answer

A)  otoliths 
B)  saccule 
C)  utricle 
D)  ampulla 
E)  kinocilium 
A)  otoliths 
B)  saccule 
C)  utricle 
D)  ampulla 
E)  kinocilium

Question 20

Which structure in the eye plays a role in accommodation by holding the lens in place?

Accepted Answer

A)  ciliary body 
B)  pupil 
C)  sclera 
D)  vitreous humor 
E)  optic nerve 
A)  ciliary body 
B)  pupil 
C)  sclera 
D)  vitreous humor 
E)  optic nerve

Exam 15: Senses

Describe the steps involved in the action of a muscle spindle.

In farsightedness,

When you entered the room,there was a faint smell of smoke,but after about an hour,you no longer noticed the smell.What happened?

Which of the following is a genetic mutation that affects males more than females?

What type of exteroceptors are located in the ear?

All of the parts of the inner ear are concerned with equilibrium.

Which of the following statements is not true concerning olfactory cells?

Sensory receptors of the skin are very distinct- each one has its own function.

How can you tell the difference between the sound of a tuba and that of a flute?

Which of the following structures of the eye does not touch the lens?

It is just a myth that eating carrots will improve your night vision.

What is the correct order of cells within the retina starting in the posterior compartment and ending in the choroid?

Which of the following is not a layer or coat of the eye?

Which of the following is found within the cochlea?

Memories are often elicited by smell.

List in order the structures that are responsible for hearing,starting with the external structures and moving toward the brain.

Many rod cells share one bipolar cell but cone cells do not.Certain cone cells synapse with only one ganglion cell.What are the consequences of this arrangement?

List the four categories of sensory receptors and describe what they respond to.

Which of the following is involved in rotational equilibrium?

Which structure in the eye plays a role in accommodation by holding the lens in place?

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