Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

QUIZZES : NEUROPHY > Pain & Thermal Sensations > Flashcards

Pain & Thermal Sensations Flashcards

1
Q

When an Enkephalin neuron releases enkephalin that excites the Serotonin neuron in the Raphe Magnus Nucleus, what would occur next?
a. The Enkephalin neuron releases enkephalin and excites the Serotonin neuron in the Spinal Cord
b. The Serotonin neuron releases serotonin and excites the Enkephalin neuron in the Spinal Cord
c. The Enkephalin neuron releases serotonin and excites the Serotonin neuron in the Spinal Cord
D. The Serotonin neuron releases enkephalin and excites the Enkephalin neuron in the Spinal Cord

A

The Serotonin neuron releases serotonin and excites the Enkephalin neuron in the Spinal Cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which of the following statements is INCORRECT regarding slow pain sensation?
a. Slow pain can occur both in the skin and deep tissue or organ
b. None of these
c. Slow pain is felt after 1 second or more after application of pain stimuli
D. Slow pain can be described as burning, aching, nauseous

A

None of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

When an Enkephalin neuron releases enkephalin that excites the Serotonin neuron in the Raphe Magnus Nucleus, what would occur next?
a. The Enkephalin neuron releases enkephalin and excites the Serotonin neuron in the Spinal Cord
b. The Enkephalin neuron releases serotonin and excites the Serotonin neuron in the Spinal Cord
c. The Serotonin neuron releases serotonin and excites the Enkephalin neuron in the Spinal Cord
d. The Serotonin neurons releases enkephalin and excites the Enkephalin neuron in

A

The Serotonin neuron releases serotonin and excites the Enkephalin neuron in the Spinal Cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Cold and warm receptors are stimulated by changes in their metabolic rates.
a. False
b. True

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Pain resulting from heat is closely correlated with the rate at which damage is occurring. The intensity of pain is closely correlated with the extent of tissue damage.
a. The first statement is incorrect, the second statement is correct
b. Both statements are incorrect
c. Both statements are correct
d. The first statement is correct, the second statement is incorrect

A

Both statements are correct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which of the following statements is CORRECT regarding nociceptors?
• a. These are found in the superficial layers of the skin only
• b. They transmit pain signals when stimulated by minimal mechanical stimuli
c. They can be stimulated by chemical stimuli released by injured tissues
• d. These are free, encapsulated nerve

A

They can be stimulated by chemical stimuli released by injured tissues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Nerve fibers that carries temperature information ascends two to three levels of the spinal cord via the Lissauer’s Tracts before synapsing with the second order neuron on the new spinal cord level.
a. False
b. True

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which of the following pairings of nociceptors and their stimuli is INCORRECT?
a. High-threshold mechanonociceptor- Intense mechanical stimuli
B. Mechanothermal nociceptor - intense thermal and mechanical stimuli
c. Polymodal nociceptor - intense mechanical and chemical stimuli
d. Chemical nociceptor- intense chemical stimuli

A

Chemical nociceptor- intense chemical stimuli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Silent nociceptors are responsive to noxious mechanical stimulation even without inflammation and injury. The silent nociceptors are stimulated when there is continuous application of pain stimuli due to damaged tissues
a. The first statement is incorrect, the second statement is correct
b. Both statements are incorrect
c. Both statements are correct
D. The first statement is correct, the second statement is

A

The first statement is incorrect, the second statement is correct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Fast pain is not felt in most deep tissues in the body. Slow pain can occur both in the skin and almost in any deep tissue or organ.
a. Both statements are correct
b. Both statements are incorrect
c. The first statement is incorrect, the second statement is correct
d. The first statement is correct, the second statement is incorrect

A

Both statements are correct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which of the following pathway does thermal signals transmit through?
• a. Spinotectal pathway
• b. Dorsal column-medial lemniscal. pathway
C. Spinocerebellar pathway
D. Anterolateral pathway

A

Anterolateral pathway

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which of the following situations will cause the gate in the projection neuron of the spinal cord to CLOSE, according to the Gate Control Theory?
A. Hitting the area of pain with a blunt objeet forcefully
b. Coming into contact with a very hot object
c. Touching and massaging the area of pain
d. Being pricked by a sharp and long needle

A

Touching and massaging the area of pain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which of the following causes stimulation on thermoreceptors?
A. change of temperature itself
b. Pressure
c. Electric conduction
d. Metabolic changes

A

change of temperature itself

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which of the following thermoreceptors would have peak sensitivity if the temperature of the environment si at 24 degrees Celsius?
• a. Cold fibers
O b. Warm fibers
• c. Heat-pain fibers
• d. cold-pain fibers

A

Cold fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which of the following chemicals, when applied to a nociceptor, may elicit a pain signal?
• a. Arachidonic Acid
• b. All of these
• c. Substance P
• d. Globulin and Protein Kinase

A

All of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Pain resulting from heat is closely correlated with the rate at which damage is occurring. The intensity of pain is closely correlated with the extent of tissue damage.
• a. Both statements are correct
O b. Both statements are incorrect
• c. The first statement is incorrect, the second statement is correct
• d. The first statement is correct, the second statement is incorrect

A

Both statements are correct

17
Q

What layer of the retina is the most external?
• a. Outer nuclear layer
• b. External limiting membrane
• c. Pigmented epithelium
• O d. Outer plexiform layer

A

Pigmented epithelium

18
Q

Which region of the internal eye contains the highest concentration of cone receptors and no rod receptors?
a. Ora Serrata
b. Ciliary Body
c. Fovea
d. Peripheral Retina

A

Fovea

19
Q

What is the afferent neuron of the pupillary reflex?
a. Pretactal Nucleus
b. Edinger-Westphal Nucleus
c. Optic nerve
d. Constrictor Pupillae

A

Optic nerve

20
Q

What is the normal response of the controlateral eye when light is shone on the eye in the ipsilateral side?
a. Pupillary constriction
b. Pupilory dilation

A

Pupillary constriction

21
Q

What is the afferent neuron of the corneal reflex?
a. CNI
b. CN VII O
c. CNV
d. CN II

A

CNV

22
Q

What will happen to the lens if you try to focus on a nearby object?
a. the lens will get thinner
b. the lens will thicken
c. the lens will concave
d. the lens will blur

A

the lens will thicken

23
Q

What happens to the shape of the lens if the ciliary smooth muscles contract?
a. the lens become spherical
b. the lens become more conves on one side
c. the lens becomes flatter
d. the lens become more concave one

A

the lens become spherical

24
Q

What is the efferent neuron of the accommodation reflex?
a. Optic Nerve
b. Facial Nerve
c. Oculomotor Nerve
d. Trigeminal Nerve

A

Oculomotor Nerve

25
Q

Which of the following describe normal vision?
a. Emmetropia
b. Hyperopia
с. Муоріа
d. Presbyopia

A

Emmetropia

26
Q

Which of the following error of reflection is caused by a short eyeball or a weak lens system?
a. Presbyopia
b. Hyperopia
c. Astigmatism
d. Myopia

A

Hyperopia

27
Q

Which of the following is a refractive error of the eye wherein the visual image in one plane to at a different distance from that of the plane at the right angles and caused by excessive corneal curvature?
a. Glaucoma
b. Hyperopia
c. Nyctalopia
d. Astigmatism

A

Astigmatism

28
Q

Which of the following is defined as the vision ar which both eyes are used together so that a portion of the external world is seen by the eyes together?
a. Binocular Acuity
b. Monocular Acuity

A

Binocular Acuity

29
Q

Which of the following eye conditions is caused by accumulation of proteins in some of the lens fibers that becomes denatured, then coagulates to form opaque areas in the lens?
a. Presbyopia
b. Glaucoma
c. Astigmatism
d. Cataract

A

Cataract

30
Q

In the measurement of visual acuity using the Snellen Chart, a person was noted to have 20/60 vision. What does 60 mean?
a. The distance in which the corresponding row of letters are no longer legible to a normal person
b. The distance in which the patient can normally see the corresponding row of letters
C. the distance in which the patient can no longer see the letters of the Snellen Chart

A

The distance in which the corresponding row of letters are no longer legible to a normal person

31
Q

What type of lenses is recommended for hyperopia?
a. lenses are not recommended
b. concave and convex lens
c. convex lenses
d. concave lenses

A

convex lenses

QUIZZES : NEUROPHY (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions