WorksheetsPage 1
Total questions: 76
Worksheet time: 38mins
According to the title slide, what does the acronym TENS stand for?
Transcutaneous Electrical Nerve Stimulation
Transdermal Enzymatic Neuro Stimulation
Transcranial Electric Neural Signal
Tactile Electromagnetic Nerve System
On the title slide, what type of stimulation is referenced in the acronym TENS?
Electrical nerve stimulation
Thermal muscle stimulation
Chemical synapse stimulation
Magnetic brain stimulation
According to the slide titled WHAT IS PAIN?, pain is best described as an undemonstrative subjective feeling accompanying the stimulation of nociceptors.
An undemonstrative subjective feeling accompanying the stimulation of nociceptors
An objective measurable signal independent of sensory receptors
A demonstrative emotional state without a neural basis
A muscular contraction produced by motor neurons
On the slide titled WHAT IS PAIN?, what are nociceptors?
Free nerve endings without specific structure present in almost all types of body tissue
Specialized mechanoreceptors encapsulated in corpuscles
Endocrine cells that release hormones into the bloodstream
Motor endplates connecting nerves to skeletal muscle fibers
The slide states that if nociceptors are stimulated beyond tolerance, pain occurs. Which set of stimuli is listed as capable of causing such pain?
Physical, chemical, mechanical, and thermal stimulation
Auditory, visual, and olfactory stimulation
Electrical, magnetic, and gravitational stimulation
Psychological, social, and cultural stimulation
How is information about pain carried to higher centers, according to the slide titled WHAT IS PAIN?
By fibers from nociceptors that group into tracts in the spinal cord and send impulses through spinal tracts
By lymphatic vessels that drain tissue fluid toward the thoracic duct
By hormones released into the bloodstream from endocrine glands
By collateral branches of motor neurons projecting directly to the cortex
According to the slide titled "PAIN GATE THEORY," with TENS an electrical current is applied to nerve endings in the skin, which travels towards the brain along selective nerve fibers. What is applied to the nerve endings when using TENS?
An electrical current
Mechanical pressure
A chemical neurotransmitter
Thermal heat
According to the Pain Gate Theory of Melzack and Wall, the selective nerve fibers must pass through a segment of the spinal cord called the substantia gelatinosa. Through which spinal cord segment do these fibers pass?
Substantia gelatinosa
Dorsal root ganglion
Ventral horn
Medulla oblongata
The slide notes that the substantia gelatinosa contains specialized T-Cells involved in neural transmission and that these T-Cells serve as a transmission junction for nerve fibers carrying pain upwards. What function do these T-Cells serve?
They act as a transmission junction for pain-carrying nerve fibers
They produce myelin for motor neurons
They secrete cerebrospinal fluid into the central canal
They initiate voluntary muscle contractions
According to the slide, these nerve fibers carry the sensation of pain upwards towards a brain structure referred to as the 'Pain Center.' Which structure is named?
Thalamus
Cerebellum
Hippocampus
Frontal cortex
Refer to the labeled diagram of the Gate Control System. Which fibers are identified as non-nociceptive in the diagram?
A-Fibers
C-Fibers
Spinal Cord Transmission Neurons
Action System
Refer to the labeled diagram of the Gate Control System. Which fibers are identified as nociceptive in the diagram?
A-Fibers
C-Fibers
Substantia Gelatinosa Neurons
Central Control
According to the diagram, which component sends output forward to the Action System?
Spinal Cord Transmission Neurons
Substantia Gelatinosa Neurons
Central Control
Gate Control System
In the diagram, which labeled box projects into the Gate Control System?
Central Control
Action System
Substantia Gelatinosa Neurons
Non-nociceptive A-Fibers
According to the diagram, the Spinal Cord Transmission Neurons receive both excitatory (+) and inhibitory (−) inputs.
True
False
Within the Gate Control System, which structure is depicted interacting directly with the Spinal Cord Transmission Neurons?
Substantia Gelatinosa Neurons
Central Control
Action System
Non-nociceptive A-Fibers
Based on the diagram, which inputs enter the Gate Control System from the left side?
Non-nociceptive A-Fibers
Nociceptive C-Fibers
Both A-Fibers and C-Fibers
Action System
According to the introduction slide, which description best identifies the modality presented for pain management?
A low-frequency current modality based on pain gate theory
A high-frequency heat therapy used for tissue warming
An imaging modality that uses ultrasound waves
An invasive surgical procedure for blocking nerves
What is the name of the machine used for the modality described on the introduction slide?
TENS unit
EMS unit
MRI scanner
ECG monitor
What channel configuration is stated as possible for the TENS machine on the introduction slide?
Single or multichannel
Only dual-channel
Only multichannel
No channels are mentioned as possible
How does TENS control pain according to the introduction slide?
Non-invasively
Through surgical implantation
By delivering radiation
By chemical anesthesia only
Which application of TENS is mentioned on the introduction slide?
Producing muscle contraction or introducing chemicals into the body via iontophoresis
Measuring blood pressure during exercise
Delivering radiation therapy to tumors
Immobilizing joints after injury
Based on the PARAMETERS slide describing settings for a therapeutic electrical stimulation device, what pulse shape is specified?
Sinusoidal impulses
Rectangular type impulses
Triangular impulses
Exponential impulses
According to the PARAMETERS slide, what pulse frequency is commonly used?
50 Hz
100 Hz
150 Hz
300 Hz
What pulse frequency range is specified on the PARAMETERS slide?
0.5–50 Hz
2–600 Hz
60–6000 Hz
200–600 Hz
What intensity range is indicated, with the note to increase to a satisfactory level until a tingling sensation?
0–20 mA
0–40 mA
0–60 mA
20–80 mA
What clinical outcome is stated for using a wide range of variation in pulse frequency and intensity?
Improved results in the treatment of chronic pain syndrome
Reduced electrode impedance
Enhanced muscle hypertrophy
Increased patient noncompliance
According to the slide titled “TYPES OF TENS,” High TENS (Conventional TENS) is characterized by which combination of stimulation parameters?
High frequency and low intensity
Low frequency and high intensity
High frequency and high intensity
Low frequency and low intensity
The slide states the frequency setting for High TENS (Conventional TENS). Which range is specified?
1–5 Hz
10–30 Hz
100–150 Hz
200–300 Hz
The slide lists the intensity used for High TENS (Conventional TENS). Which range is indicated?
1–5 mA
6–10 mA
12–30 mA
40–60 mA
For which clinical presentation is High TENS (Conventional TENS) described as being used on the slide?
Chronic deep pain
Acute and superficial pain
Neuropathic motor weakness
Edema reduction
The slide explains the mechanism of High TENS. Which nerve fibers are described as undergoing presynaptic inhibition of transmission?
A-alpha and B fibers
A-delta and C fibers
A-beta fibers only
Motor efferent fibers
According to the slide, at which anatomical site does the presynaptic inhibition associated with High TENS occur?
Dorsal root ganglion
Motor cortex
Substantia gelatinosa of the pain gate
Cerebellum
The slide notes where the physiological block of transmission occurs during High TENS. In which fibers is this block described?
Motor fibers
Proprioceptive fibers
Nociceptive pain fibers
Autonomic sympathetic fibers
According to the slide titled "Low TENS or Acupuncture TENS," what stimulation pattern characterizes this modality?
High frequency and low intensity
Low frequency and high intensity
Low frequency and low intensity
High frequency and high intensity
Based on the slide, what is the stated frequency range for Low TENS/Acupuncture TENS?
10 - 50 Hz
1 - 5 Hz
20 - 80 Hz
0.1 - 1 Hz
What intensity value is specified for Low TENS/Acupuncture TENS in the slide?
30 mA
100 mA
300 mA
500 mA
For which type of pain is Low TENS/Acupuncture TENS indicated according to the slide?
Acute superficial pain
Chronic and deep pain
Neuropathic pain following nerve injury only
Postoperative pain within the first 24 hours only
Which neural fibers are stimulated in Low TENS/Acupuncture TENS to promote endogenous opioid release at the spinal cord level?
High-threshold C fibers
Aβ mechanoreceptive fibers
Alpha motor neurons
Sympathetic preganglionic fibers
What is the described effect of endorphins released by Low TENS/Acupuncture TENS?
They increase forward transmission in pain circuits
They block forward transmission in pain circuits
They enhance voluntary motor unit recruitment
They cause peripheral vasoconstriction
According to the Burst TENS slide, what is another name for Burst TENS?
Wave Train
Continuous mode
Interferential therapy
Microcurrent stimulation
Based on the Burst TENS slide, how frequently are bursts repeated?
1–5 times a second
20–50 times a second
Once per minute
150–300 times a second
What frequency range is listed for Burst TENS on the slide?
50–150 Hz
1–5 Hz
150–300 Hz
0.5–1 Hz
According to the Burst TENS slide, what does each train or burst consist of?
A number of individual pulses like High TENS
A continuous direct current with no pulses
Random noise without a defined pattern
Thermal waves produced by heating
What is the main use of Burst TENS listed on the slide?
Pain relief
Muscle strengthening
Bone healing
Wound debridement
From the slide titled TYPES OF TENS describing Brief TENS, what is the stated impulse duration?
0.1 ms
0.2 ms
1.0 ms
2.0 ms
According to the Brief TENS parameters shown, what frequency is specified?
50 Hz
75 Hz
100 Hz
150 Hz
In the Brief TENS description, what intensity range is indicated?
5 – 10 mA
10 – 20 mA
20 – 50 mA
50 – 80 mA
What is the primary use of Brief TENS as stated on the slide?
Muscle strengthening
Local pain relief
Enhancing circulation
Reducing inflammation
The slide specifies an application limit for Brief TENS. What is the maximum duration it should be applied?
5 minutes
10 minutes
15 minutes
30 minutes
Based on the slide titled Types of TENS describing Modulated TENS, which parameters are modulated in this mode?
Pulse length
Pulse frequency
Pulse amplitude
Electrode placement
According to the slide titled Types of TENS, Modulated TENS is a suitable mode primarily to achieve which outcome?
Prevent accommodation to stimulation or improve patient tolerance
Increase tissue heating for thermotherapy
Produce maximal voluntary muscle contraction
Diagnose peripheral nerve conduction
According to the method of application, what is the first step before placing electrodes?
Select the sites for electrode placement
Turn on the machine
Set the timer
Increase the intensity
Before placing electrodes, what must be true about the selected site?
It should be free from any wound, dermatological conditions, or cuts
It should be shaved and warmed
It should be marked with ink
It should be covered with a dry cloth
Cleaning the site with wet cotton gauze or spirit gauze primarily reduces which factor?
Skin impedance
Electrode size
Machine temperature
Patient sensitivity
Why is coupling medium applied when placing the electrode?
To ensure a medium between electrodes and skin
To color the skin for marking
To cool the machine
To thicken the straps
How are electrodes fixed on the site according to the instructions?
With elastic bands or micropore
With metal clamps
With adhesive gel only
With tape around the limb
Which statement describes the required pressure of the strap or micropore when fixing electrodes?
The pressure must be adequate and enough
Only minimal pressure is allowed
High pressure is necessary
Pressure is not important
After fixing the electrodes, what is the next action?
Turn on the machine
Set the timer
Increase frequency
Remove the coupling medium
Which control is increased until the patient feels a tingling sensation?
Intensity knob
Frequency knob
Timer dial
Power switch
Which control is adjusted to change the frequency?
Frequency knob
Intensity knob
Timer dial
Electrode strap
What is the final step specified in the method of application?
Set the timer for the required time duration
Remove the electrodes
Decrease the intensity to zero
Turn off the frequency knob
Refer to the slide titled INDICATIONS that lists: “Acute pain of osteogenic, myogenic and neurogenic origin.” and “Chronic pain of osteogenic, myogenic and neurogenic origin.” Which pain origins are specified in these indications?
Osteogenic
Myogenic
Neurogenic
Psychogenic
Refer to the slide titled INDICATIONS that lists: “Acute pain of osteogenic, myogenic and neurogenic origin.” and “Chronic pain of osteogenic, myogenic and neurogenic origin.” Which pain durations are included by these indications?
Acute
Chronic
Recurrent only during exercise
Postoperative only
Based on the slide titled INDICATIONS that lists: “Acute pain of osteogenic, myogenic and neurogenic origin.” and “Chronic pain of osteogenic, myogenic and neurogenic origin.” Which statement best reflects the scope of these indications?
Both acute and chronic pain of osteogenic, myogenic and neurogenic origin are indicated.
Only acute pain of osteogenic origin is indicated.
Only chronic pain of myogenic origin is indicated.
Pain exclusively of psychogenic origin is indicated.
According to the contraindications, TENS is never applied over which area?
Eye region
Forearm extensor muscles
Calf muscles
Lower back paraspinals
TENS should not be applied on the neck of patients with which condition?
Cerebrovascular accidents
Sprained ankle
Tendinopathy of the wrist
Dermatitis of the forearm
For which patients is TENS contraindicated on the head and neck?
Epileptic patients
Patients with mild muscle strain
Patients with healed fractures
Patients with plantar fasciitis
TENS is contraindicated on the shoulder or chest region of patients with which implanted device?
Cardiac pacemakers
Cochlear implants
Insulin pumps
Deep brain stimulators
On the chest region, TENS is contraindicated in patients with which general condition?
Cardiac diseases
Asthma
Chronic kidney disease
Gastroesophageal reflux
TENS should never be applied over which type of tissue surface?
Mucosal membrane
Keratinized skin
Scar tissue
Callused skin
Dangers or Precautions: According to the slide on TENS, what adverse effect may result from continuous application of high TENS?
An electrolytic reaction below the skin surface
A bone fracture
A muscle tear
A thermal burn confined to bone
Dangers or Precautions: For patients with cardiac pacemakers, what is the correct guidance regarding TENS use?
It is contraindicated due to possible interference with the pacemaker’s frequency
It is safe if the TENS frequency is set higher than normal
It is recommended only during sleep
It is required daily for best outcomes
Dangers or Precautions: During pregnancy, when should TENS be avoided?
In the first three months
Only in the second trimester
Only in the last two weeks
It is safe throughout pregnancy
Dangers or Precautions: In which condition should TENS be avoided?
Hemorrhagic conditions
Mild muscle soreness
Healed scar tissue
Controlled hypertension
Dangers or Precautions: Where should TENS electrode placement be avoided?
Over open wounds or the carotid sinus, over the mouth, and near the eyes
Over intact skin of the forearm
Over paraspinal muscles
Over the quadriceps muscle belly
