Question 1

The structure in the eye that is similar to a camera diaphragm,regulating the size of the opening for light is the

Accepted Answer

A)  pupil.
B)  retina.
C)  iris.
D)  ciliary muscle.
E)  lens.F) A) and B)
G) B) and D)

Question 2

Explain the steps required for the sense of taste to reach the brain.

Accepted Answer

Various molecules enter into the mouth a...

Question 3

Which of the following eye conditions is NOT treated with corrective lenses?

Accepted Answer

A)  farsightedness
B)  cataracts
C)  nearsightedness
D)  astigmatism
E)  Nearsightedness and astigmatism are not treated with corrective lens.F) A) and B)
G) A) and C)

Question 4

Which of the following statements about the process of hearing is true?

Accepted Answer

A)  Hearing is not dependent on the inner ear.
B)  All parts of the organ of Corti hear all ranges of sound.
C)  Loud music cannot damage your ears.
D)  Hearing is dependent on mechanical pressure.
E)  Sound is similar to light insofar as it is transmitted through the vacuum of space.F) A) and C)
G) A) and D)

Question 5

Identify and briefly describe the function of the labeled structures in the human eye pictured here.  A: ________
B: ________
C: ________
D: ________
E: ________
F: ________
G: ________
H: ________
I: ________
J: ________

Accepted Answer

A: Sclera: protects and supports the eye...

Question 6

When you look at an image,it is inverted on the back of the retina and yet appears right-side-up when perceived in the brain.This change has occurred in

Accepted Answer

A)  the retina which integrates the visual image.
B)  the ganglionic cells.
C)  the rods and cones themselves.
D)  the visual regions of the brain.
E)  the lens.F) A) and B)
G) D) and E)

Question 7

Glaucoma is caused by an increase in intraocular pressure due to inadequate drainage of the

Accepted Answer

A)  vitreous humor.
B)  aqueous humor.
C)  venous blood.
D)  cochlear duct.
E)  ampulla.F) B) and D)
G) B) and C)

Question 8

What are the semicircular canals?

Accepted Answer

A)  the point of the eye at which color vision is most acute
B)  the part of the eye that contains rods,cones,and bipolar cells
C)  the part of the inner ear that recognizes rotational equilibrium and movement
D)  the part of the choroid coat of the eye that is attached to the lens and the iris
E)  the internal part of the cochlea with hair cells that are stimulated by sound wavesF) D) and E)
G) A) and B)

Question 9

All of the following statements about sensory receptors are true EXCEPT

Accepted Answer

A)  sensory receptors monitor the internal environment of the body.
B)  chemoreception is believed to be a primitive sense in animals.
C)  sensory receptors for taste are found in the nose and mouth.
D)  the retina of the eye contains photoreceptors that are sensitive to light.
E)  photoreceptors include rod and cone cells.F) A) and E)
G) None of the above

Question 10

The molecules rhodopsin and retinal are involved in the sensory system that detects

Accepted Answer

A)  hot and cold.
B)  hearing.
C)  smell.
D)  sight.
E)  balance.F) A) and E)
G) B) and E)

Question 11

In the abnormal eyeball pictured here,the size of a normal eye is noted with a dotted line.This type of abnormality results in

Accepted Answer

A)  farsightedness.
B)  astigmatism.
C)  nearsightedness.
D)  cataracts.
E)  glaucoma.F) B) and E)
G) A) and E)

Question 12

Why do snakes flick their tongue when they see potential prey?

Accepted Answer

A)  They are trying to bring scent molecules into the mouth so the Jacobson's organs can decipher them.
B)  They are trying to detect the various scent molecules with their tongue.
C)  Snakes use tongue flicking as a means of communication.
D)  All of the choices are correct.E) A) and B)
F) A) and C)

Question 13

List the structures sound will pass through as it goes into the human ear.

Accepted Answer

1.Outer ear consists of the pi...

Question 14

What kind of receptors are involved in hearing?

Accepted Answer

A)  chemoreceptors
B)  photoreceptors
C)  pain receptors
D)  mechanoreceptors
E)  interoceptorsF) A) and E)
G) C) and D)

Question 15

Which of the following lists of ear structures are all membranous structures?

Accepted Answer

A)  ossicles,tympanic membrane,oval window,otoliths
B)  cochlea,ampulla
C)  tympanic membrane,oval window,round window
D)  malleus,incus,stapes
E)  tympanic membrane,oval window,stapesF) A) and B)
G) B) and E)

Question 16

The organ of Corti contains the

Accepted Answer

A)  hammer,anvil,and stirrup.
B)  eardrum,round window,and oval window.
C)  hair cells and tectorial membrane.
D)  saccule,utricle,and cochlea.
E)  cochlea and auditory nerve.F) A) and B)
G) B) and E)

Question 17

The ________ of the retina,which is responsible for acute vision,has densely packed cone cells.

Accepted Answer

A)  tectorial membrane
B)  otolith
C)  fovea centralis
D)  blind spot
E)  ampullaF) B) and E)
G) A) and D)

Question 18

The actual physiological mechanism that allows fish to school involves both the cutaneous receptors known as the lateral line as well as their eyesight.Therefore,the stimuli that fish use to school are light and

Accepted Answer

A)  pressure waves.
B)  temperature.
C)  sound waves.
D)  gravitational pull.
E)  molecules for taste.F) A) and C)
G) A) and B)

Question 19

When the cerebral cortex interprets the sense of taste it will also be interpreting the sense of smell.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following sensations would involve a chemoreceptor?

Accepted Answer

A)  smell
B)  vision
C)  taste
D)  Only vision and taste only are correct.
E)  Only smell and taste only are correct.F) D) and E)
G) C) and D)

Exam 38: Sense Organs

The structure in the eye that is similar to a camera diaphragm,regulating the size of the opening for light is the

Correct AnswerverifiedShow Answer

Which of the following lists of ear structures are all membranous structures?

Correct AnswerverifiedShow Answer

When the cerebral cortex interprets the sense of taste it will also be interpreting the sense of smell.

Correct AnswerverifiedShow Answer

The ________ of the retina,which is responsible for acute vision,has densely packed cone cells.

Correct AnswerverifiedShow Answer

List the structures sound will pass through as it goes into the human ear.

Correct Answerverified1.Outer ear consists of the pi...View AnswerShow Answer

Which of the following statements about the process of hearing is true?

Correct AnswerverifiedShow Answer

The organ of Corti contains the

Correct AnswerverifiedShow Answer

What kind of receptors are involved in hearing?

Correct AnswerverifiedShow Answer

Why do snakes flick their tongue when they see potential prey?

Correct AnswerverifiedShow Answer

Which of the following eye conditions is NOT treated with corrective lenses?

Correct AnswerverifiedShow Answer

The actual physiological mechanism that allows fish to school involves both the cutaneous receptors known as the lateral line as well as their eyesight.Therefore,the stimuli that fish use to school are light and

Correct AnswerverifiedShow Answer

What are the semicircular canals?

Correct AnswerverifiedShow Answer

All of the following statements about sensory receptors are true EXCEPT

Correct AnswerverifiedShow Answer

In the abnormal eyeball pictured here,the size of a normal eye is noted with a dotted line.This type of abnormality results in

Correct AnswerverifiedShow Answer

The molecules rhodopsin and retinal are involved in the sensory system that detects

Correct AnswerverifiedShow Answer

Which of the following sensations would involve a chemoreceptor?

Correct AnswerverifiedShow Answer

Explain the steps required for the sense of taste to reach the brain.

Correct AnswerverifiedVarious molecules enter into the mouth a...View AnswerShow Answer

Glaucoma is caused by an increase in intraocular pressure due to inadequate drainage of the

Correct AnswerverifiedShow Answer

Identify and briefly describe the function of the labeled structures in the human eye pictured here. A: ________ B: ________ C: ________ D: ________ E: ________ F: ________ G: ________ H: ________ I: ________ J: ________

Correct AnswerverifiedA: Sclera: protects and supports the eye...View AnswerShow Answer

When you look at an image,it is inverted on the back of the retina and yet appears right-side-up when perceived in the brain.This change has occurred in

Correct AnswerverifiedShow Answer

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1.Outer ear consists of the pi...
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Various molecules enter into the mouth a...
View Answer

Correct Answer
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Identify and briefly describe the function of the labeled structures in the human eye pictured here. A: B: C: D: E: F: G: H: I: J:

Correct Answer
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A: Sclera: protects and supports the eye...
View Answer

Correct Answer
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