Question 1

The term adequate stimulus refers to the intensity of a stimulus developing above a threshold value.

Accepted Answer

A) True 
 B)False

Question 2

Light is the only stimulus capable of stimulating the photoreceptors of the eye.

Accepted Answer

A) True 
 B)False

Question 3

Which statement concerning the blind spot is correct?

Accepted Answer

A)  It is the point on the retina at which the optic nerve leaves and blood vessels pass through. 
B)  It contains high concentrations of rods or cones. 
C)  It is in the exact centre of the retina. 
D)  It contains high concentration of cones but no rods. 
A)  It is the point on the retina at which the optic nerve leaves and blood vessels pass through. 
B)  It contains high concentrations of rods or cones. 
C)  It is in the exact centre of the retina. 
D)  It contains high concentration of cones but no rods.

Question 4

Rods produce vision in shades of gray.

Accepted Answer

A) True 
 B)False

Question 5

Light is a form of electromagnetic radiation composed of particle-like individual packets of energy called _________ that travel in wavelike fashion.

Accepted Answer

The answer of Light is a form of electromagnetic radiation...

Question 6

Which statement is correct for the semicircular canals?

Accepted Answer

A)  They detect the position of the head relative to gravity. 
B)  They detect rotational or angular acceleration or deceleration of the head. 
C)  They contain otoliths. 
D)  They are responsible for static equilibrium. 
A)  They detect the position of the head relative to gravity. 
B)  They detect rotational or angular acceleration or deceleration of the head. 
C)  They contain otoliths. 
D)  They are responsible for static equilibrium.

Question 7

Which statement is correct for cones?

Accepted Answer

A)  They are most abundant in the periphery of the retina. 
B)  They are more numerous than rods. 
C)  They have high sensitivity to light. 
D)  They are responsible for colour vision. 
A)  They are most abundant in the periphery of the retina. 
B)  They are more numerous than rods. 
C)  They have high sensitivity to light. 
D)  They are responsible for colour vision.

Question 8

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).
-detects rotational acceleration or deceleration of the head

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 9

Describe how sensory adaptation occurs.

Accepted Answer

Sensory adaptation occurs when our senso

Question 10

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 useful for keeping the eyes focused on a fixed object even when the head is moving

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 11

Diplopia is another name for double vision.

Accepted Answer

A) True 
 B)False

Question 12

The receptors for smell are located in the upper nasal cavity out of the normal path of air currents.

Accepted Answer

A) True 
 B)False

Question 13

Pain may be elicited by thermal or chemical stimuli.

Accepted Answer

A) True 
 B)False

Question 14

Depth perception comes about in large part because of binocular vision.

Accepted Answer

A) True 
 B)False

Question 15

The circular muscle of the iris __________________.

Accepted Answer

A)  contracts in response to bright light to produce pupillary constriction 
B)  is innervated by the sympathetic nervous system 
C)  contracts to slacken the suspensory ligaments and increase the strength of the lens during accommodation 
D)  is under voluntary control 
A)  contracts in response to bright light to produce pupillary constriction 
B)  is innervated by the sympathetic nervous system 
C)  contracts to slacken the suspensory ligaments and increase the strength of the lens during accommodation 
D)  is under voluntary control

Question 16

Unmyelinated C fibres send impulses for slow pain pathways.

Accepted Answer

A) True 
 B)False

Question 17

In the retina,photoreceptor cells do not synapse with bipolar cells.

Accepted Answer

A) True 
 B)False

Question 18

Nociceptors are naked (free)nerve endings.

Accepted Answer

A) True 
 B)False

Question 19

Second- and third-order sensory neurons synapse in the thalamus.

Accepted Answer

A) True 
 B)False

Question 20

Indicate the properties of rods and cones by using the answer code (options may be used more than once or not at all).
-much convergence in pathway

Accepted Answer

A) rods 
B) cones 
C) both rods and cones 
A) rods 
B) cones 
C) both rods and cones

The term adequate stimulus refers to the intensity of a stimulus developing above a threshold value.

Light is the only stimulus capable of stimulating the photoreceptors of the eye.

Which statement concerning the blind spot is correct?

Rods produce vision in shades of gray.

Light is a form of electromagnetic radiation composed of particle-like individual packets of energy called _________ that travel in wavelike fashion.

Which statement is correct for the semicircular canals?

Which statement is correct for cones?

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). -detects rotational acceleration or deceleration of the head

Describe how sensory adaptation occurs.

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 useful for keeping the eyes focused on a fixed object even when the head is moving

Diplopia is another name for double vision.

The receptors for smell are located in the upper nasal cavity out of the normal path of air currents.

Pain may be elicited by thermal or chemical stimuli.

Depth perception comes about in large part because of binocular vision.

The circular muscle of the iris __________________.

Unmyelinated C fibres send impulses for slow pain pathways.

In the retina,photoreceptor cells do not synapse with bipolar cells.

Nociceptors are naked (free)nerve endings.

Second- and third-order sensory neurons synapse in the thalamus.

Indicate the properties of rods and cones by using the answer code (options may be used more than once or not at all). -much convergence in pathway

The Foundation of Physiology

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The Central Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

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Fluid and Acid Base Balance

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Exam 4: The Peripheral Nervous System

The term adequate stimulus refers to the intensity of a stimulus developing above a threshold value.

Light is the only stimulus capable of stimulating the photoreceptors of the eye.

Which statement concerning the blind spot is correct?

Rods produce vision in shades of gray.

Light is a form of electromagnetic radiation composed of particle-like individual packets of energy called _________ that travel in wavelike fashion.

Which statement is correct for the semicircular canals?

Which statement is correct for cones?

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). -detects rotational acceleration or deceleration of the head

Describe how sensory adaptation occurs.

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 useful for keeping the eyes focused on a fixed object even when the head is moving

Diplopia is another name for double vision.

The receptors for smell are located in the upper nasal cavity out of the normal path of air currents.

Pain may be elicited by thermal or chemical stimuli.

Depth perception comes about in large part because of binocular vision.

The circular muscle of the iris __________________.

Unmyelinated C fibres send impulses for slow pain pathways.

In the retina,photoreceptor cells do not synapse with bipolar cells.

Nociceptors are naked (free)nerve endings.

Second- and third-order sensory neurons synapse in the thalamus.

Indicate the properties of rods and cones by using the answer code (options may be used more than once or not at all). -much convergence in pathway

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