Question 1

Phasic receptors for light touch and texture are

Accepted Answer

A)  Krause bulbs.
B)  lamellated corpuscles.
C)  arrector pili corpuscles.
D)  Ruffini corpuscles.
E)  tactile corpuscles.F) All of the above
G) A) and B)

Question 2

Phototransduction is the process in which

Accepted Answer

A)  retinal ganglion cells signal changes in the color of light.
B)  bipolar cells signal the presence of contrast in a visual scene.
C)  photoreceptors convert light energy to changes in membrane potential.
D)  primary visual cortex recognizes and identifies a stimulus.E) A) and B)
F) A) and C)

Question 3

The vascular tunic of the eye has three distinct regions.From anterior to posterior what are they
A: Ciliary body
B: Choroid
C: Iris

Accepted Answer

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

Question 4

Changes in the external and internal environment are ________ that are detected by the sensory system.

Accepted Answer

A)  sensations
B)  receptors
C)  stimuli
D)  adaptations
E)  transducersF) A) and C)
G) C) and D)

Question 5

These receptors respond to changes in temperature.

Accepted Answer

A)  Chemoreceptors
B)  Thermoreceptors
C)  Photoreceptors
D)  Mechanoreceptors
E)  BaroreceptorsF) None of the above
G) A) and C)

Question 6

As the eye adjusts to focus on a near object,the cornea must change shape because the lens is unable to.The shape (and therefore refractive index)of the cornea is fixed and the lens is responsible for changing shape when the eye transitions to view a near or far object.The ciliary muscles are responsible for controlling lens shape.

Accepted Answer

A) True 
 B)False

Question 7

-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 B)

Question 8

-In this sagittal view of the eye,what space does number 10 indicate

Accepted Answer

A)  Scleral venous sinus
B)  Anterior cavity
C)  Anterior chamber
D)  Posterior chamber
E)  Posterior cavityF) A) and E)
G) B) and E)

Question 9

Olfactory receptor cells are _____ neurons.

Accepted Answer

A)  multipolar
B)  unipolar
C)  bipolar
D)  nonpolar
E)  apolarF) A) and C)
G) B) and E)

Question 10

Where is the saccule located

Accepted Answer

A)  Within the middle ear
B)  Lateral to the auditory ossicles
C)  Within the cochlea
D)  Within the vestibule
E)  In the auditory tubeF) A) and B)
G) All of the above

Question 11

This receptor detects continuous deep pressure and distortion of the skin.

Accepted Answer

A)  Krause bulbs
B)  Lamellated corpuscles
C)  Arrector pili corpuscles
D)  Ruffini corpuscles
E)  Tactile corpusclesF) B) and D)
G) A) and E)

Question 12

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) D) and E)
G) B) and D)

Question 13

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 the choices are correct.F) B) and D)
G) B) and C)

Question 14

Which sequence correctly traces the pathway of aqueous humor in the eye
A: Aqueous humor is secreted by epithelial ciliary cells.
B: Aqueous humor is released into the posterior chamber.
C: Aqueous humor is drained into the scleral venous sinus.
D: Aqueous humor washes over the lens and then passes through the pupil into the anterior chamber.

Accepted Answer

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

Question 15

Visual pathways include axons that project from the optic tracts to the superior colliculi.

Accepted Answer

A) True 
 B)False

Question 16

The gelatinous mass inside of the eye is called the

Accepted Answer

A)  lacrimal secretion.
B)  mucoid body.
C)  vitreous humor.
D)  hyaloid mass.
E)  scleroid humor. F) D) and E)
G) None of the above

Question 17

A person having a heart attack may feel pain along the medial side of the left arm.This pain is known as

Accepted Answer

A)  referred pain.
B)  phantom pain.
C)  selected pain.
D)  covert pain.
E)  masked pain.F) None of the above
G) B) and C)

Question 18

When light strikes a photoreceptor it

Accepted Answer

A)  deporlarizes and releases more neurotransmitter.
B)  depolarizes and releases less neurotransmitter.
C)  hyperpolarizes and releases more neurotransmitter.
D)  hyperpolarizes and releases less neurotransmitter.E) A) and B)
F) A) and C)

Question 19

These receptors respond to touch,pressure,vibration,and stretch.

Accepted Answer

A)  Chemoreceptors
B)  Thermoreceptors
C)  Photoreceptors
D)  Mechanoreceptors
E)  BaroreceptorsF) C) and E)
G) None of the above

Question 20

There are four types of encapsulated receptors.Select the exception.

Accepted Answer

A)  End bulbs
B)  Lamellated corpuscles
C)  Arrector pili corpuscles
D)  Ruffini corpuscles
E)  Tactile corpusclesF) A) and D)
G) B) and E)

Exam 16: Nervous System: Senses

There are four types of encapsulated receptors.Select the exception.

Correct Answer
verified

A person having a heart attack may feel pain along the medial side of the left arm.This pain is known as

Correct Answer
verified

Olfactory receptor cells are _____ neurons.

Correct Answer
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Changes in the external and internal environment are ________ that are detected by the sensory system.

Correct Answer
verified

The gelatinous mass inside of the eye is called the

Correct Answer
verified

The vascular tunic of the eye has three distinct regions.From anterior to posterior what are they A: Ciliary body B: Choroid C: Iris

Correct Answer
verified

When light strikes a photoreceptor it

Correct Answer
verified

Phasic receptors for light touch and texture are

Correct Answer
verified

This receptor detects continuous deep pressure and distortion of the skin.

Correct Answer
verified

Where is the saccule located

Correct Answer
verified

Accommodation of the lens occurs when

Correct Answer
verified

These receptors respond to touch,pressure,vibration,and stretch.

Correct Answer
verified

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

Correct Answer
verified

The eye measures about ________ in diameter.

Correct Answer
verified

Visual pathways include axons that project from the optic tracts to the superior colliculi.

Correct Answer
verified

Correct Answer
verified

Phototransduction is the process in which

Correct Answer
verified

Correct Answer
verified

-In this sagittal view of the eye,what space does number 10 indicate

Correct Answer
verified

These receptors respond to changes in temperature.

Correct Answer
verified

Exam 16: Nervous System: Senses

There are four types of encapsulated receptors.Select the exception.

Correct AnswerverifiedShow Answer

A person having a heart attack may feel pain along the medial side of the left arm.This pain is known as

Correct AnswerverifiedShow Answer

Olfactory receptor cells are _____ neurons.

Correct AnswerverifiedShow Answer

Changes in the external and internal environment are ________ that are detected by the sensory system.

Correct AnswerverifiedShow Answer

The gelatinous mass inside of the eye is called the

Correct AnswerverifiedShow Answer

The vascular tunic of the eye has three distinct regions.From anterior to posterior what are they A: Ciliary body B: Choroid C: Iris

Correct AnswerverifiedShow Answer

When light strikes a photoreceptor it

Correct AnswerverifiedShow Answer

Phasic receptors for light touch and texture are

Correct AnswerverifiedShow Answer

This receptor detects continuous deep pressure and distortion of the skin.

Correct AnswerverifiedShow Answer

Where is the saccule located

Correct AnswerverifiedShow Answer

Accommodation of the lens occurs when

Correct AnswerverifiedShow Answer

These receptors respond to touch,pressure,vibration,and stretch.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The eye measures about ________ in diameter.

Correct AnswerverifiedShow Answer

Visual pathways include axons that project from the optic tracts to the superior colliculi.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Phototransduction is the process in which

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

-In this sagittal view of the eye,what space does number 10 indicate

Correct AnswerverifiedShow Answer

These receptors respond to changes in temperature.

Correct AnswerverifiedShow Answer

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