Deck 22: General Sensation

Question 1

Which of the following is an example of referred pain?

A)a fly bite on your leg
B)heartburn
C)stabbing pain in the forearm
D)a burn in your mouth from eating hot pizza

Answer 1

B

Question 2

You will test for a negative afterimage by _.

A)touching the skin with a probe, with the eyes closed
B)pinching the skin, followed by a light touch to the same area of skin
C)placing both hands in room temperature water after one hand has been in an ice bath and the other in warm water
D)exposing the eyes first to bright light, then to dark light

Answer 2

C

Question 3

Adaptation is a common property of general sensory receptors. Some receptors, however, do not adapt. Which type of receptor below does not adapt?

A)receptors for light touch
B)pain receptors
C)lamellar corpuscles
D)temperature receptors

Answer 3

B

Question 4

Where are cutaneous receptors located?

A)in the skin
B)in skeletal muscles
C)in the brain
D)in smooth muscle

Question 5

Which of the following is a receptor for light touch?

A)free nerve ending
B)lamellar corpuscle
C)bulbous corpuscle
D)hair follicle receptor

Question 6

Lamellar corpuscles are an example of .

A)an elaborate encapsulated nerve ending
B)a nerve ending associated with a tactile disc
C)a nerve ending associated with a hair follicle
D)a simple free nerve ending

Question 7

Which area listed below has the smallest two- point threshold?

A)palm of hand
B)back of neck
C)back of hand
D)lips

Question 8

Where does referred pain appear when the gastric juice from the stomach refluxes into the esophagus?

A)in the region of the heart
B)diffusely in the abdomen
C)neck
D)shoulder and left arm

Question 9

The two- point discrimination test is used to determine _.

A)the ability to detect which portion of the skin has been touched
B)the ability to detect which portion of the skin has been touched, the density of touch receptors, and the distribution of temperature receptors
C)the distribution of temperature receptors
D)the density of touch receptors

Question 10

Stimulus to the muscle spindle elicits the reflex.

A)ciliospinal
B)consensual
C)stretch
D)plantar

Question 11

A muscle spindle is an example of a(n).

A)proprioceptor
B)visceroceptor
C)exteroceptor

Question 12

This receptor for light touch is made up of a free nerve ending associated with a special epidermal cell.

A)tactile corpuscle
B)tactile (Merkel)disc
C)bulbous corpuscle
D)hair follicle receptor

Question 13

From your own experience (and from reading through this exercise!), which would you predict to be the most numerous cutaneous receptor type?

A)receptors for cold
B)receptors for pain
C)receptors for touch
D)receptors for heat

Question 14

Referred pain is .

A)pain localized to the stomach
B)pain localized to a particular area of the skin
C)pain perceived as arising in one area when a different area is receiving the painful stimulus
D)pain from a specific skeletal muscle

Question 15

Tactile corpuscles and tactile (Merkel)discs are located _ .

A)around bones and tendons
B)in the viscera
C)in the skin
D)in the brain

Question 16

What is the relationship between the accuracy of a subject's tactile localization and the results of the two- point discrimination test?

A)Areas with the most accurate touch localization have the largest two- point thresholds.
B)Areas with the most accurate touch localization have the largest two- point thresholds, and areas with the least accurate touch localization have the smallest two- point thresholds.
C)Areas with the least accurate touch localization have the smallest two- point thresholds.
D)Areas with the most accurate touch localization have the smallest two- point thresholds.

Question 17

How can you test for adaptation of touch/pressure receptors?

A)tactile localization test
B)repeatedly pressing your finger on and off the skin
C)placing various numbers of coins on the forearm
D)touching the skin with warm and cold objects

Question 18

Which of the following might occur if you lacked temperature receptors in the leg?

A)You might fall, because your brain isn't getting enough information about the leg and thigh muscles.
B)You might burn your leg by putting it too close to the campfire.
C)You couldn't feel a bug bite your leg.
D)You would be insensitive to scratches if you walked through a briar patch wearing shorts.

Question 19

General sensory receptors respond to many stimuli, including _.

A)light
B)touch
C)smells
D)sound

Question 20

What is true about the two- point threshold test?

A)The location where the subject detects two points at their smallest distance apart contains the least density of touch receptors.
B)The location where the subject detects two points at their smallest distance apart contains the least density of touch receptors, and the area of the greatest density of touch receptors has the least ability to detect touch.
C)The location where the subject detects two points at their smallest distance apart contains the greatest density of touch receptors.
D)The area of the greatest density of touch receptors has the least ability to detect touch.

Question 21

Interoceptors are located .

A)close to the body surface
B)in skeletal muscles, tendons, and joints
C)in internal visceral organs

Question 22

What is true of cutaneous receptors?

A)Pain and touch receptors are evenly distributed in the skin all over the body.
B)Touch receptors cluster on the ventral forearm and palm of the hand.
C)Simple pain receptors are the most numerous.
D)Each can detect several different types of stimuli.