Question 1

Which statement concerning the lens of the eye is correct?

Accepted Answer

A)  It has convex surfaces. 
B)  It is stronger when it is flatter. 
C)  It contributes most extensively to the eye's total refractive ability. 
D)  Its stronger lens must be used for distant sources. 
A)  It has convex surfaces. 
B)  It is stronger when it is flatter. 
C)  It contributes most extensively to the eye's total refractive ability. 
D)  Its stronger lens must be used for distant sources.

Question 2

Osmoreceptors are sensitive to changing solute concentrations.

Accepted Answer

A) True 
 B)False

Question 3

Axons from retinal ganglion cells form the optic nerve.

Accepted Answer

A) True 
 B)False

Question 4

Indicate the characteristics associated with each part of the ear by using the answer code (options may be used more than once or not at all).
-provides information about the position of the head relative to gravity

Accepted Answer

A) external ear 
B) middle ear 
C) cochlea in the inner ear 
D) semicircular canal in the inner ear 
E) utricle and saccule in the inner ear 
A) external ear 
B) middle ear 
C) cochlea in the inner ear 
D) semicircular canal in the inner ear 
E) utricle and saccule in the inner ear

Question 5

Match the following receptors to their locations by using the answer code (options may be used more than once or not at all).
-receptors in cochlea

Accepted Answer

A) chemoreceptors 
B) mechanoreceptors 
C) photoreceptors 
A) chemoreceptors 
B) mechanoreceptors 
C) photoreceptors

Question 6

MATCHING
Match the receptor below to its function by using the answer code.
-provides information about changes in the energy form being monitored

Accepted Answer

A) tonic receptor 
B) phasic receptor 
C) specialized receptor ending of afferent neuron 
D) separate cell serving as a receptor 
A) tonic receptor 
B) phasic receptor 
C) specialized receptor ending of afferent neuron 
D) separate cell serving as a receptor

Question 7

What happens during dark adaptation?

Accepted Answer

A)  Photopigments are gradually regenerated. 
B)  Rhodopsin is rapidly broken down. 
C)  The cones for gray vision are stimulated more than the cones for colour vision. 
D)  The sensitivity of the photoreceptors is reduced so that the image appears dim. 
A)  Photopigments are gradually regenerated. 
B)  Rhodopsin is rapidly broken down. 
C)  The cones for gray vision are stimulated more than the cones for colour vision. 
D)  The sensitivity of the photoreceptors is reduced so that the image appears dim.

Question 8

The ________ is the region of the retina where rods and cones are absent.

Accepted Answer

blind spot

Question 9

In response to high-frequency sounds,the segment of the basilar membrane closer to the oval window vibrates maximally.

Accepted Answer

A) True 
 B)False

Question 10

__________ are the receptors that display the least amount of adaptation.

Accepted Answer

The answer of __________ are the receptors that display the...

Question 11

Indicate which of the following regions are part of ascending pain pathways, descending analgesic pathways, or both by using the answer code.
-reticular formation

Accepted Answer

A) part of ascending pain pathway 
B) part of descending analgesic pathway 
C) participates in both pain and analgesic pathway 
A) part of ascending pain pathway 
B) part of descending analgesic pathway 
C) participates in both pain and analgesic pathway

Question 12

Indicate the proper sequence of involvement in the visual pathway by writing the appropriate letter in the blank using the answer code.
-eighth

Accepted Answer

A) bipolar neurons 
B) optic nerve 
C) lateral geniculate nucleus 
D) rods and cones 
E) visual cortex
F)optic tracts
G)ganglion cells
H)optic radiations 
A) bipolar neurons 
B) optic nerve 
C) lateral geniculate nucleus 
D) rods and cones 
E) visual cortex
F)optic tracts
G)ganglion cells
H)optic radiations

Question 13

Which association is NOT correct?

Accepted Answer

A)  cochlear duct/endolymph 
B)  malleus/inner ear 
C)  organ of Corti/hair cells 
D)  scala tympani/perilymph 
A)  cochlear duct/endolymph 
B)  malleus/inner ear 
C)  organ of Corti/hair cells 
D)  scala tympani/perilymph

Question 14

Which structure is associated with hearing?

Accepted Answer

A)  ampulla 
B)  cochlea 
C)  cupula 
D)  cristae 
A)  ampulla 
B)  cochlea 
C)  cupula 
D)  cristae

Question 15

Photoreceptors,bipolar cells,and ganglion cells all display action potentials.

Accepted Answer

A) True 
 B)False

Question 16

MATCHING
Match the receptor below to its function by using the answer code.
-generates action potentials in afferent neuron by opening voltage-gated Na⁺ channels

Accepted Answer

A) tonic receptor 
B) phasic receptor 
C) specialized receptor ending of afferent neuron 
D) separate cell serving as a receptor 
A) tonic receptor 
B) phasic receptor 
C) specialized receptor ending of afferent neuron 
D) separate cell serving as a receptor

Question 17

Which statement concerning the retina is correct?

Accepted Answer

A)  It is the middle layer of the eye. 
B)  It contains the photoreceptors. 
C)  It becomes specialized anteriorly to form the cornea. 
D)  It secretes the aqueous humour. 
A)  It is the middle layer of the eye. 
B)  It contains the photoreceptors. 
C)  It becomes specialized anteriorly to form the cornea. 
D)  It secretes the aqueous humour.

Question 18

What is characteristic of fast pain?

Accepted Answer

A)  poorly localized 
B)  occurs upon stimulation of polymodal nociceptors 
C)  impulses carried along myelinated A-delta fibres 
D)  produces dull aching sensation 
A)  poorly localized 
B)  occurs upon stimulation of polymodal nociceptors 
C)  impulses carried along myelinated A-delta fibres 
D)  produces dull aching sensation

Question 19

Light rays travel faster through water or glass than through air.

Accepted Answer

A) True 
 B)False

Question 20

Which statement is correct for rhodopsin?

Accepted Answer

A)  It is the photopigment found in the red cones. 
B)  It consists of an opsin and retinene. 
C)  It is most highly concentrated in the fovea. 
D)  It is slowly broken down in the absence of light. 
A)  It is the photopigment found in the red cones. 
B)  It consists of an opsin and retinene. 
C)  It is most highly concentrated in the fovea. 
D)  It is slowly broken down in the absence of light.

Which statement concerning the lens of the eye is correct?

Osmoreceptors are sensitive to changing solute concentrations.

Axons from retinal ganglion cells form the optic nerve.

Indicate the characteristics associated with each part of the ear by using the answer code (options may be used more than once or not at all). -provides information about the position of the head relative to gravity

Match the following receptors to their locations by using the answer code (options may be used more than once or not at all). -receptors in cochlea

MATCHING Match the receptor below to its function by using the answer code. -provides information about changes in the energy form being monitored

What happens during dark adaptation?

The ________ is the region of the retina where rods and cones are absent.

In response to high-frequency sounds,the segment of the basilar membrane closer to the oval window vibrates maximally.

__________ are the receptors that display the least amount of adaptation.

Indicate which of the following regions are part of ascending pain pathways, descending analgesic pathways, or both by using the answer code. -reticular formation

Indicate the proper sequence of involvement in the visual pathway by writing the appropriate letter in the blank using the answer code. -eighth

Which association is NOT correct?

Which structure is associated with hearing?

Photoreceptors,bipolar cells,and ganglion cells all display action potentials.

MATCHING Match the receptor below to its function by using the answer code. -generates action potentials in afferent neuron by opening voltage-gated Na⁺ channels

Which statement concerning the retina is correct?

What is characteristic of fast pain?

Light rays travel faster through water or glass than through air.

Which statement is correct for rhodopsin?

The Foundation of Physiology

Cell Physiology

The Central Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters

Exam 4: The Peripheral Nervous System

Which statement concerning the lens of the eye is correct?

Osmoreceptors are sensitive to changing solute concentrations.

Axons from retinal ganglion cells form the optic nerve.

Indicate the characteristics associated with each part of the ear by using the answer code (options may be used more than once or not at all). -provides information about the position of the head relative to gravity

Match the following receptors to their locations by using the answer code (options may be used more than once or not at all). -receptors in cochlea

MATCHING Match the receptor below to its function by using the answer code. -provides information about changes in the energy form being monitored

What happens during dark adaptation?

The ________ is the region of the retina where rods and cones are absent.

In response to high-frequency sounds,the segment of the basilar membrane closer to the oval window vibrates maximally.

__________ are the receptors that display the least amount of adaptation.

Indicate which of the following regions are part of ascending pain pathways, descending analgesic pathways, or both by using the answer code. -reticular formation

Indicate the proper sequence of involvement in the visual pathway by writing the appropriate letter in the blank using the answer code. -eighth

Which association is NOT correct?

Which structure is associated with hearing?

Photoreceptors,bipolar cells,and ganglion cells all display action potentials.

MATCHING Match the receptor below to its function by using the answer code. -generates action potentials in afferent neuron by opening voltage-gated Na⁺ channels

Which statement concerning the retina is correct?

What is characteristic of fast pain?

Light rays travel faster through water or glass than through air.

Which statement is correct for rhodopsin?

The Foundation of Physiology

Cell Physiology

The Central Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters