quiz 4

Question 1

which statement(s) is (are) true regarding electrode placement

a.Current will travel through deeper tissues when electrodes are farther apart

b.Electrodes should not touch one another

c.The best electrode placement for a given treatment may require some trial and error

d.All of the above are true

Answer 1

D. all of the above

Question 2

which of the following response is (are) typical for an electrical stimulation treatment?

a.Muscle contractions usually occur with amplitude /intensity set at subsensory levels

b.C-fibers are the first afferent nerves to depolarize with electrical stimulation

c.As stimulation intensity increases, a person will usually feel tingling first followed by muscle twitch or contraction

d.All of the above are true

Answer 2

c.As stimulation intensity increases, a person will usually feel tingling first followed by muscle twitch or contraction

Question 3

3.A therapist is treating a patient who has a pressure ulcer/wound located in his sacral area. As part of the plan of care, electrical stimulation has
been included as part of the plan of care to address wound healing. Which
electrical stimulation setting would be the most appropriate for this
patient?
a.Conventional TENS
b.Interferential Current
c.Russian Current
d.High Volt Pulsed Current

Answer 3

d.High Volt Pulsed Current

Question 4

4. A patient is being seen 1 week after an ACL repair in an outpatient PT
   clinic. The problem list includes weakness of the quads which is
   demonstrated by the patient’s inability to actively extend the knee into full extension against gravity. The therapist wants to prevent atrophy and
   strengthen the quads. Which electrical stimulation setting would be the
   most appropriate for this patient?
   a.Russian
   b.High Volt
   c.Interferential
   d.Biphasic Current

Answer 4

a.Russian

Question 5

5.Which of the following TENS settings will produce a sensory level
response and utilize the gate control theory of pain to help manage pain?
a.Low Rate Acupuncture TENS
b.Noxious Level TENS
c.High Rate Conventional TENS
d.Brief Intense TENS

Answer 5

c.High Rate Conventional TENS

Question 6

6.Which of the following are proposed advantages of using interferential
current EXCEPT:
a.Increased comfort
b.Effective in wound healing
c.Larger treatment area
d.Can target an area between the electrodes

Answer 6

b.Effective in wound healing

Question 7

7.Which type of current is used to stimulate a denervated muscle?
a.DC (direct current)
b.AC (alternating current)
c.PC (pulsed current)
d.All of the above

Answer 7

a.DC (direct current)

Question 8

8.One can increase the depth to which a current penetrates by:
a.Decreasing the current amplitude
b.Increasing the pulse frequency
c.Increasing the distance between electrodes
d.Increasing ramp time

Answer 8

c.Increasing the distance between electrodes

Question 9

9.All of the following are absolute contraindications for the use of electrical
stimulation EXCEPT:
a.Patients with a cardiac pacemaker
b.Site of infection
c.Over a carotid sinus
d.Osteoporosis

Answer 9

d.Osteoporosis

Question 10

10.Two equal sized electrodes are placed in the target treatment area and
an equal amount of stimulation is felt under each electrode. This is:
a.Bipolar placement
b.Monopolar placement
c.Quadripolar placement
d.Duel-polar placement

Answer 10

a.Bipolar placement