Deck 23: General Senses

Question 1

The two general classes of sense organs are:

A)auditory and visual.
B)peripheral and central.
C)general and special.
D)chemoreceptors and mechanoreceptors.

Answer 1

C

Question 2

Pain that is perceived as being superficial but actually is caused by an underlying organ is called _____ pain.

A)phantom
B)referred
C)chronic
D)acute

Answer 2

B

Question 3

Lamellar corpuscles are least numerous in the:

A)palms of the hands.
B)joints of the body.
C)skin of the back.
D)soles of the feet.

Answer 3

C

Question 4

Which of the following receptors are found in most body tissues?

A)Free nerve endings
B)Meissner corpuscles
C)Krause end bulbs
D)Ruffini corpuscles

Question 5

Sensory impulses ending in what part of the CNS trigger imprecise or "crude" sensation awareness?

A)Thalamus
B)Cerebellum
C)Brainstem
D)Cerebral cortex

Question 6

The word "deform" describes the stimulus detected by:

A)chemoreceptors.
B)mechanoreceptors.
C)photoreceptors.
D)thermoreceptors.

Question 7

Intense stimuli of any type that results in tissue damage will activate:

A)mechanoreceptors.
B)thermoreceptors.
C)nociceptors.
D)photoreceptors.

Question 8

Free nerve endings respond to all of the following stimuli except:

A)tickling.
B)itching.
C)strength of muscle contractions.
D)pain.

Question 9

Sensory impulses ending in what part of the CNS give specific awareness of a specific type of sensation, its exact location, and its level of intensity?

A)Thalamus
B)Cerebellum
C)Brainstem
D)Cerebral cortex

Question 10

Chemoreceptors are most likely to be activated by:

A)cold temperatures.
B)noxious odors.
C)pain.
D)a change of receptor position.

Question 11

Which of the following is an anatomical variant of a Meissner corpuscle?

A)Krause end bulb
B)Pacinian corpuscle
C)Ruffini corpuscle
D)Both A and C

Question 12

The somatic senses enable us to detect sensations, including:

A)touch.
B)temperature.
C)pain.
D)all of the above.

Question 13

Visceroceptors are located in which of the following?

A)Skin
B)Tendons
C)Internal organs
D)Skeletal muscles

Question 14

Sensory impulses ending in what part of the central nervous system (CNS) may affect the so-called "vital sign" reflexes?

A)Thalamus
B)Cerebellum
C)Brainstem
D)Cerebral cortex

Question 15

Which of the following is true about pain receptors?

A)Alpha fibers respond to chronic pain.
B)Alpha fibers are associated with dull, aching pain.
C)Alpha fibers are associated with sharp, localized pain.
D)Beta fibers are associated with sharp, localized pain.

Question 16

The receptors responsible for sensing crude and persistent touch are the:

A)Meissner corpuscles.
B)Krause end bulbs.
C)Ruffini corpuscles.
D)free nerve endings.

Question 17

The two-point discrimination test can be used to measure:

A)visual acuity.
B)the ability to determine the location of a sound.
C)the sensitivity of the skin in various parts of the body.
D)the ability to measure the relative temperature of two different objects.

Question 18

Which of the following is true of proprioceptors?

A)Function in relation to movement and position
B)Are superficial receptors
C)Are internal receptors
D)Are receptors for general senses such as touch, pressure, heat, and cold

Question 19

Proprioceptors can be found in:

A)the urinary bladder.
B)major blood vessels of the body.
C)skeletal muscles.
D)both A and C.

Question 20

The special senses:

A)are widely distributed throughout the body.
B)enable us to detect pain.
C)are dense in the fingertips.
D)are grouped in the tongue, nose, eyes, and ears.

Question 21

Which term is another name for a variant of a Meissner corpuscle called the bulboid corpuscle?

A)Krause end bulb
B)Ruffini corpuscle
C)Pacinian corpuscle
D)Root hair plexus

Question 22

Touch and pressure are examples of stimuli that activate mechanoreceptors.

Question 23

Somatic sensory receptors are found in the:

A)skin.
B)muscles.
C)eyes and ears.
D)all of the above

Question 24

Which of the following is considered a somatic sense?

A)Smell
B)Taste
C)Equilibrium
D)None of the above

Question 25

Which of the following is not true of a receptor potential?

A)It follows the all-or-none law.
B)It is a graded response.
C)It occurs when an adequate stimulus acts on a receptor.
D)It can stimulate an action potential in the axon of a sensory neuron.

Question 26

If you slammed your finger in a car door, it would stimulate _____ pain fibers.

A)chronic
B)acute
C)visceral
D)both chronic and visceral

Question 27

Tactile meniscus is another name for the:

A)Meissner corpuscle
B)Pacinian corpuscle
C)Golgi receptor
D)Merkel disk

Question 28

As we wear our sneakers, we lose the constant feeling of their presence; this is called adaptation.

Question 29

Which of the following is not true of a receptor potential?

A)It follows the all-or-none law.
B)It is a graded response.
C)It occurs when an adequate stimulus acts on a receptor.
D)It can stimulate an action potential in the axon of a sensory neuron.

Question 30

Somatic sense receptors located in muscles and joints are called visceroceptors.

Question 31

Somatic sense receptors are distributed evenly throughout the body.

Question 32

What types of receptors are important in stimulating the thirst center?

A)Mechanoreceptors
B)Osmoreceptors
C)Chemoreceptors
D)Thermoreceptors

Question 33

Which of the following statements is not true of exteroceptors?

A)They send both tonic and phasic impulses to the CNS.
B)They are also called cutaneous receptors.
C)They are located on or near the surface of the body.
D)All of the above statements are true of exteroceptors.

Question 34

Which term is another name for a variant of a Meissner corpuscle called the bulbous corpuscle?

A)Krause end bulb
B)Ruffini corpuscle
C)Pacinian corpuscle
D)Root hair plexus

Question 35

Taste buds are both exteroceptors and chemoreceptors.

Question 36

Sensory receptors make it possible for the body to respond to stimuli caused by changes occurring in our external and internal environments.

Question 37

When referring to the sensory neurons, the term end organ refers to the _____ lobe of the brain.

A)occipital
B)temporal
C)parietal
D)None of the above is correct.

Question 38

The two general classes of sense organs are:

A)auditory and visual.
B)peripheral and central.
C)general and special.
D)chemoreceptors and mechanoreceptors.

Question 39

Which large mechanoreceptor, when sectioned, shows thick laminated connective tissue capsules?

A)Krause end bulb
B)Ruffini corpuscle
C)Pacinian corpuscle
D)Root hair plexus

Question 40

Which of the following defines or explains adaptation?

A)The magnitude of a receptor response increases over time to a continuous stimulus.
B)The magnitude of a receptor response decreases over time to a continuous stimulus.
C)The stimulus is sent to the thalamus and redirected to the brainstem.
D)None of the above defines or explains adaptation.

Question 41

Lamellar corpuscle and Ruffini corpuscle refer to the same structure.

Question 42

Proprioceptors are receptors for touch, pain, heat, and cold.

Question 43

Muscle spindles are stimulated by excessive muscle contraction.

Question 44

Golgi tendon receptors are stimulated by touch.

Question 45

Proprioceptors are activated by a change in temperature.

Question 46

Nociceptors serve as the primary receptor for pain.

Question 47

Exteroceptors are often called somatic senses.

Question 48

In referring to proprioceptors, the terms tonic and phasic are interchangeable.

Question 49

Nociceptors can respond to intense light.

Question 50

Mechanoreceptors are the simplest, most common, and most widely distributed sensory receptors.

Question 51

Proprioceptors respond to pressure in such organs as the intestine and the urinary bladder.

Question 52

You feel hungry because of a proprioceptor.

Question 53

Proprioceptors in muscles and joints tend to adapt faster than other types of receptors.

Question 54

Adaptation by a receptor causes an increase in the rate of impulse but a decrease in its intensity.

Question 55

Because of its importance to survival, the brain has a high concentration of pain receptors.

Question 56

Proprioceptors are specialized types of visceroceptors.

Question 57

Olfactory receptors and taste buds are chemoreceptors.

Question 58

Somatic sense receptors located in muscles and joints are called proprioceptors.

Question 59

Special sense organs can respond to only one type of stimuli, whereas general sense organs can respond to several different types of stimuli.

Question 60

Referred pain may be caused by deep organ receptors and skin area receptors entering the same segment of the spinal cord.

Question 61

Tonic proprioceptors allow us to know the location of our body parts without having to look.

Question 62

Referred pain is psychosomatic pain brought on by intense stress.

Question 63

Another term for a cutaneous receptor is an exteroceptor.

Question 64

The interpretation of the sensation of being tickled requires a complex interaction of many parts of the brain.

Question 65

Golgi tendon receptors respond in a way similar to muscle spindles to maintain posture.

Question 66

In referred pain, pain in a visceral organ is referred to skin sensors directly above it.

Question 67

Osmoreceptors detect changes in the concentration of electrolytes in body fluids and can stimulate the hypothalamic thirst center.

Question 68

Merkel disks and muscle spindles provide the body with information about muscle and the strength of muscle contraction.

Question 69

The tactile receptor is made up of two cells: a tactile epithelial cell and a tactile disk.

Question 70

Another term for a visceroceptor is an interoceptor.

Question 71

Anatomically, each muscle spindle consists of a discrete grouping of about 5 to 10 modified muscle fibers called intrafusal fibers.

Question 72

An itch is caused by a rapidly adapting free nerve ending called a root hair plexus.

Question 73

Photoreceptors are found only in the eye.

Question 74

The stretch reflex helps maintain posture.

Question 75

The terms sensation and perception mean the same thing.

Question 76

Mechanoreceptors are activated by stimuli that in some way deform or change the position of the receptor.

Question 77

If you cut yourself on the finger, the fiber sending the message to your brain would be a type A pain fiber.

Question 78

Osmoreceptors measure the type of chemicals in the blood and stimulate the hypothalamus.

Question 79

The terms Merkel disk and tactile meniscus refer to the same structure.

Question 80

Pain that develops quickly and can be localized easily is called visceral pain.