Question 1

-In this illustration of the inner ear,what feature does the number 9 indicate?

Accepted Answer

A)  Membranous labyrinth
B)  Spiral organ
C)  Apex of cochlea
D)  Perilymph
E)  EndolymphF) A) and B)
G) None of the above

Question 2

The optic vesicles are the first eye structures to form during embryonic development,and are the future ________ of the eye.

Accepted Answer

A)  choroid
B)  sclera
C)  lens
D)  retina
E)  corneaF) C) and D)
G) A) and D)

Question 3

Gustatory receptors are classified as mechanoreceptors,because food molecules must be dissolved in saliva before they can be tasted.

Accepted Answer

A) True 
 B)False

Question 4

The least numerous but the largest of the papillae are arranged as a V-shape on the posterior dorsal surface of the tongue.They contain the majority of taste buds and are called _____ papillae.

Accepted Answer

A)  papiform
B)  filiform
C)  fungiform
D)  vallate
E)  foliateF) D) and E)
G) B) and E)

Question 5

Accommodation of the lens occurs when

Accepted Answer

A)  ciliary muscles contract.
B)  the ciliary body moves closer to the lens.
C)  parasympathetic axons stimulate the ciliary muscles.
D)  the lens becomes more spherical.
E)  All of these choices are correct.F) A) and E)
G) A) and C) E

Question 6

Which cells form connections between photoreceptor and bipolar cells?

Accepted Answer

A)  Vertical cells
B)  Amacrine cells
C)  Posterior cells
D)  Anterior cells
E)  Horizontal cellsF) A) and B)
G) A) and D)

Question 7

Which sequence correctly traces the visual pathway followed by the majority of axons?
A: Optic nerve
B: Optic chiasm
C: Occipital lobe
D: Lateral geniculate nucleus of thalamus

Accepted Answer

A)  a,b,c,d
B)  b,a,d,c
C)  a,d,c,b
D)  c,a,b,d
E)  a,b,d,cF) A) and C)
G) B) and E)

Question 8

Order the items that describe the sensation pathway for taste.
A: Primary axons pass along cranial nerves VII and IX
B: Primary neurons synapse in the nucleus solitarius
C: Secondary neurons synapse in the thalamus
D: Tertiary neurons travel to the cerebral gustatory cortex

Accepted Answer

A)  a,b,c,d
B)  b,c,a,d
C)  a,d,b,c
D)  d,c,b,a
E)  c,d,a,bF) D) and E)
G) A) and B)

Question 9

If you were to cut a cross section of the retina and examine it under a microscope,what would be the order of features from the choroid to the posterior cavity?
A: Rods and cones
B: Ganglionic axons progressing to the optic nerve
C: Bipolar cells
D: Ganglion cells
E: Pigmented retina

Accepted Answer

A)  a,b,c,d,e
B)  e,a,c,d,b
C)  c,a,e,d,b
D)  d,e,a,b,c
E)  e,d,c,b,aF) B) and C)
G) None of the above

Question 10

Which photoreceptor cells function in dim light?

Accepted Answer

A)  Rods
B)  ConesC) A) and B)
D) undefined A

Question 11

-In this illustration of the ear,what structure does number 1 indicate?

Accepted Answer

A)  Vestibule
B)  Cochlea
C)  Stapes
D)  Incus
E)  Tympanic membraneF) B) and C)
G) A) and D)

Question 12

-This cross section of skin shows general cutaneous receptors.What kind of receptor does number 3 indicate?

Accepted Answer

A)  Free nerve ending
B)  Krause bulb
C)  Lamellated corpuscle
D)  Tactile disc
E)  Root hair plexusF) C) and D)
G) A) and C)

Question 13

These receptors respond to changes in temperature.

Accepted Answer

A)  Chemoreceptors
B)  Thermoreceptors
C)  Photoreceptors
D)  Mechanoreceptors
E)  BaroreceptorsF) A) and E)
G) C) and D)

Question 14

Which photoreceptor cells are more numerous?

Accepted Answer

A)  Rods
B)  ConesC) A) and B)
D) undefined

Question 15

What is lysozyme?

Accepted Answer

A)  An antiviral agent in tears
B)  An enzyme produced by the eyelids
C)  A protein used within the vitreous body of the eye
D)  An antibacterial component of sweat
E)  An antibacterial component of tearsF) B) and D)
G) A) and D)

Question 16

-In this view of the olfactory organs,what structure does number 1 indicate?

Accepted Answer

A)  Olfactory hairs
B)  Olfactory receptor
C)  Olfactory bulb
D)  Basal cell
E)  Axon of olfactory receptor cellF) All of the above
G) A) and B) C

Question 17

-This cross section of skin shows general cutaneous receptors.What kind of receptor does number 1 indicate?

Accepted Answer

A)  Free nerve ending
B)  Krause bulb
C)  Lamellated corpuscle
D)  Tactile disc
E)  Root hair plexusF) A) and E)
G) C) and E)

Question 18

Which statement regarding the cornea is not true?

Accepted Answer

A)  The cornea lacks blood vessels (it is avascular) .
B)  The cornea lacks nerves (it is aneural) .
C)  The external corneal epithelium receives nourishment from lacrimal gland secretions.
D)  The cornea serves to refract light rays.
E)  The internal corneal epithelium obtains oxygen from fluid in the anterior chamber of the eye.F) None of the above
G) All of the above

Question 19

The eye measures about ________ in diameter.

Accepted Answer

A)  2.5 mm
B)  12.5 mm
C)  2.5 cm
D)  12.5 cm
E)  22.5 cmF) A) and C)
G) A) and D)

Question 20

Conscious awareness of incoming sensory information is called

Accepted Answer

A)  sensation.
B)  reception.
C)  stimulation.
D)  adaptation.
E)  transduction.F) D) and E)
G) A) and B)

Exam 19: Senses: General and Special

-In this illustration of the inner ear,what feature does the number 9 indicate?

Correct AnswerverifiedShow Answer

The optic vesicles are the first eye structures to form during embryonic development,and are the future ________ of the eye.

Correct AnswerverifiedShow Answer

Gustatory receptors are classified as mechanoreceptors,because food molecules must be dissolved in saliva before they can be tasted.

Correct AnswerverifiedShow Answer

The least numerous but the largest of the papillae are arranged as a V-shape on the posterior dorsal surface of the tongue.They contain the majority of taste buds and are called _____ papillae.

Correct AnswerverifiedShow Answer

Accommodation of the lens occurs when

Correct AnswerverifiedE

Which cells form connections between photoreceptor and bipolar cells?

Correct AnswerverifiedShow Answer

Which sequence correctly traces the visual pathway followed by the majority of axons? A: Optic nerve B: Optic chiasm C: Occipital lobe D: Lateral geniculate nucleus of thalamus

Correct AnswerverifiedShow Answer

Order the items that describe the sensation pathway for taste. A: Primary axons pass along cranial nerves VII and IX B: Primary neurons synapse in the nucleus solitarius C: Secondary neurons synapse in the thalamus D: Tertiary neurons travel to the cerebral gustatory cortex

Correct AnswerverifiedShow Answer

If you were to cut a cross section of the retina and examine it under a microscope,what would be the order of features from the choroid to the posterior cavity? A: Rods and cones B: Ganglionic axons progressing to the optic nerve C: Bipolar cells D: Ganglion cells E: Pigmented retina

Correct AnswerverifiedShow Answer

Which photoreceptor cells function in dim light?

Correct AnswerverifiedA

-In this illustration of the ear,what structure does number 1 indicate?

Correct AnswerverifiedShow Answer

-This cross section of skin shows general cutaneous receptors.What kind of receptor does number 3 indicate?

Correct AnswerverifiedShow Answer

These receptors respond to changes in temperature.

Correct AnswerverifiedShow Answer

Which photoreceptor cells are more numerous?

Correct AnswerverifiedShow Answer

What is lysozyme?

Correct AnswerverifiedShow Answer

-In this view of the olfactory organs,what structure does number 1 indicate?

Correct AnswerverifiedC

-This cross section of skin shows general cutaneous receptors.What kind of receptor does number 1 indicate?

Correct AnswerverifiedShow Answer

Which statement regarding the cornea is not true?

Correct AnswerverifiedShow Answer

The eye measures about ________ in diameter.

Correct AnswerverifiedShow Answer

Conscious awareness of incoming sensory information is called

Correct AnswerverifiedShow Answer

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E

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A

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C

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