HOMEWORK QUESTIONS Flashcards by shawna shinody

Application of an electrical current to motor points in hopes of eliciting a muscle contraction would be be called:

Neuromuscular electrical stimulation
Alternating current
Direct current
Interferential current

neuromuscular electrical stimulation

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which best describes A - delta fibers

Nociceptive pain fibers, typically involved in acute pain
Non-nociceptive pain fibers, typically involved in chronic pain
Non-nociceptive pain fibers, typically involved in acute pain
Nociceptive pain fibers, typically involved in chronic pain

nociceptive pain fibers, typically involved in acute pain

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which is true regarding placement of electrodes on pts

The closer the electrodes, the more superficial the current will travel
The farther the electrodes, the more superficial the current will travel
The closer the electrodes, the more likely to improve pain
The closer the electrodes, the more likely will cause a muscle contraction

the closer the electrodes, the more superficial the current will travel

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PTA is treating a pt who is still experiencing high levels of pain in the bilateral upper trapezius muscles, after a motor vehicle accident 6 weeks ago. which of the following treatments would be LEAST appropriate to utilize

Russian NMES
TENS
IFC
Cryotherapy

Russian NMES

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which of the following is reflective of the timeline for chronic pain?

Pain lasting longer than the expected healing time of the damaged tissue, typically considered pain longer than 6 months
Pain without an exact cause, typically considered pain longer than 3 months
Pain with an organic cause, typically considered pain longer than 2 years
Pain caused by diseases that are unable to be cured

pain lasting longer than the expected healing time of the damaged tissue, typically considered pain longer than 6 months

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what does MVIC stand for?

Maximum voltage intensity contraction
Maximum voluntary isometric contraction
Modulated voltage intensity co-contraction
Modulated voltage isometric contraction

maximum voluntary isometric contraction

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alternating current

IFC

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direct current

iontophoresis

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monophasic pulsed current

hi-volt pulsed current

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pulsed (bursts) alternating current

Russian

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strength duration curve

A beta fibers
Motor
A delta
c fibers
denervated muscles

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which is true regarding nerves at their resting potential?

The inside of the nerve is typically a -60-90mV, with more sodium on the outside of the nerve and fewer potassium inside the nerve

The inside of the nerve is typically a +60-90mV, with more sodium on the outside of the nerve and fewer potassium inside the nerve

The inside of the nerve is typically a -60-90mV, with more sodium on the insdie of the nerve and fewer potassium outside the nerve

The inside of the nerve is typically a +60-90mV, with more sodium on the inside of the nerve and fewer potassium outside the nerve

The inside of the nerve is typically a -60-90mV, with more sodium on the outside of the nerve and fewer potassium inside the nerve

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A PTA is completing sensory testing prior to the application of (TENS) to a patient s/p total knee replacement (TKR) 2 weeks ago. Which of the following is the most appropriate sensory test to perform prior to the application of this intervention?

Graphesthesia
Deep Pressure
Thermal Sensation
Light touch

light touch

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MUSCLE CONTRACTION HW 3

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Which type of current and which of the following durations would be sufficient to cause contraction in a denervated muscle?

Direct current for at least 5-10 milliseconds
Direct current for at least 5 to 10 microseconds
Pulsed current for at least 5-10 microseconds
Interferential current at 300pps, for 10 min

Direct current for at least 5-10 milliseconds

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All are essential steps to take prior to applying NMES except:

Clean the area
Perform PROM
Perform light touch sensation testing
Perform thermal sensation testing

preform thermal sensation testing

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When applying NMES, typically a 2 second ramp is utilized. What is ramp time?

The time is take to complete the entire modality
Time it takes the machine to go from no current to its maximum intensity
The time it takes for the patient to verbalize sensation
The time it takes for the patient to notice therapeutic effects

Time it takes the machine to go from no current to its maximum intensity

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A patient reports pain 6/10 directly over the right lateral epicondyle of the humerus as a result of tendinitis (lateral epicondylitis). The patient reports that the pain began aproximately 4 days ago. Based on the location of the pain, which of the following interventions would be MOST appropriate to address the patient’s current pain levels?

Paraffin
neuromuscular electrical stimulation
Moist hot pack
Cold Pack

COLD pack

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During a treatment session, a PTA applied paraffin to a patient’s R hand. After 5 minutes, the patient begins to complain of “throbbing” sensation in the treatment area. The best immediate course of action for the PTA is:

Immediately remove the paraffin from the treatment area
Notify the supervising PT that the patient is noncompliant with treatment
Ignore patient complaints and continue with treatment
Ensure patient’s UE is elevated above heart level

ensure patient’s UE is elevated above heart level

A PTA is applying ice massage to a patient’s L styloid process per the plan of care. To ensure effectiveness and safety, the ice massage is applied until:

10 to 20 minute treatment is completed
5 to 7 minute treatment is completed
The area turns red and the patient c/o cold
The patient reports numbness or analgesia effects

pt reports numbness or analgesia effects

all result of MHP application , except?

increased collagen extensibility
increased circulation
promotion of healing
increased vasoconstriction

increased vasoconstriction

A PTA notes blanching in the area following an ice massage. The treatment and effect on the skin would be best contained in which section of a SOAP note?

subjective
objective
prognosis
plan

objective

A PTA is assessing contraindications and precautions prior to applying a MHP to a patient’s L knee. Which of the following refers to the patients’ inability to cool down after being in a hot environment?

Peripheral vascular disease
Demyelinated nerves
Malignant tumors
Poor thermal regulation

poor thermal regulation

Prior to selecting an appropriate MHP to treat a patient’s L shoulder, the PTA checks the temperature of the hydrocollator. Which of the following Fahrenheit readings is the MOST appropriate operating temperature for the application of MHPs?

150 degrees
170 degrees
160 degrees
140 degrees

160 degrees

MHP are indicated for which impairment? Decreased ROM (range of motion) Referred pain Acute musculoskeletal injury Acute pain

decreased ROM

ESTIM, PAIN, EDEMA, SOFT TISSUE HW 5

A PTA elects to use electric stimulation with a goal of improving a patient's edema through muscle pumping after an acute knee sprain that is immobilized in bed for the next 2 days. Which of the following would be the BEST parameters to use? Pulsed biphasic current, 35-50pps, 150-300microseconds, to visible contraction for 20 min HVPC, 35-50pps, negative, to visible contraction for 30 min Pulsed biphasic current, 130pps, 35 microseconds, to visible contraction for 30 min Transcutaneous electrical stimulation, 150pps, 100 microseconds, to visible contraction for 20 min

Pulsed biphasic current, 35-50pps, 150-300microseconds, to visible contraction for 20 min

A PTA is treating a patient with an infected sacral wound and has elected to begin using Hi-Volt. Which of the following are reflective of the MOST likely parameters that will be used? Negative polariy, 100pps, 100 microseconds, to tingling for 60 min/day Positive polariy, 100pps, 100 microseconds, to tingling for 45 min/day Negative polariy, 100pps, 300 microseconds, to tingling for 45 min/day Positive polariy, 300pps, 300 microseconds, to tingling for 40 min/day

Negative polarity, 100pps, 100 microseconds, to tingling for 60 min/day

A PTA elects to use iontophoresis on a patient with a calcific tendonitis of their extensor carpi radialis brevis noted on MRI. Which of the following is the BEST choice for the patient assuming a goal dosage of 40mAmp*min? Acetic acid, negative polarity at 4.0mA for 10 min Acetic acid, positive polarity at 4.0mA for 10 min Dexamethasone, negative polarity at 1.0mA for 40 min Lidocaine, negative polarity at 2.0mA for 20 min

Acetic acid, negative polarity at 4.0mA for 10 min

A PTA is preparing to treat a patient with electrical stimulation to decrease cervical pain. All of the following conditions would prevent the PTA from applying e-stim, except: malignancy cardiac pacemaker thrombophlebitis diabetes

diabetes

Which of the following cell types are attracted to the positive pole? (Note- may have more than one answer) Inactive neutrophils Macrophages Epidermal cells Activated neutrophils

macrophages epidermal cells inactive neutrophils

A PTA is completing sensory testing prior to the application of interferential current (IFC) to a patient s/p TKR 2 weeks ago. Which of the following is the most appropriate sensory test to perform prior to the application of this intervention? Deep pressure Thermal sensation Light touch Two-point discrimination

Light touch

A PTA is treating a patient with conventional (high rate) TENS to decrease pain around the R knee. The patient reports feeling a “buzzing” sensation but only under one electrode. In order for the patient to feel the “buzzing” sensation under all electrodes, what parameter should be adjusted to ensure an effective treatment? Pulse Duration On:Off Time High Beat Pulse Frequency

pulse duration

Which of the following are attracted to the negative pole? (Note- may have more than one answer) Fibroblasts Activated neutrophils Mast cells Lymphocytes

Fibroblasts Activated neutrophils Mast cells Lymphocytes

When treating an infected wound, a PTA may elect to use a disposable electrode and place in the wound bed. True False

True

INTEG.WOUNDS HW 6

Which of the following would be MOST recommended for a patient with venous ulcers? Unna boot with zinc oxide Hydrogel Hydrocolloid Transparent film

unna boot w zinc oxide

A pt comes in with an infected chronic venous ulcer. Which modality would be the best option? Traction Hydrotherapy Hi-Volt estim- negative polarity Sitting/Laying in a depending position

hi-volt estim negative polarity

Which of the following would be MOST recommended for a patient with diabetic ulcers noted on the plantar surface of his MTP joints? Rocker bottom shoes, daily skin inspection with a mirror, monofilament testing Heel lift, podiatric nail trimming, DASH diet Insert for pronation, Glucose for healing, referral to doctor No shoes recommended, toe socks, insulin monitoring

Rocker bottom shoes, daily skin inspection with a mirror, monofilament testing

Decrease in fibroblastic proliferation and collagen synthesis

protein deficiency

decrease epithelialization rate

vitamin A

decrease the tensile strength of healed tissue & reduce fibroblast #

vitamin B5

decrease collagen formation

vitamin B1

the pulling together of the edges of an injured site to accelerate repair would best be called? wound contraction emigration debridement contractures

wound contracture

According to the "picture frame theory", the ring of __________ moves inward from the wound margin. Myofibroblasts Macrophages Neutrophils Lymphocytes

myofibroblasts

A patient with peripheral arterial disease presents to therapy with complaints of intermittent claudication. Which of the following would MOST likely be a treatment strategy for this patient? Sitting in a dependent position Compression garments when walking Trendelenburg sleeping position Ice baths to decrease edema

sitting in a dependent position

Which of the following would most likely characterize a venous wound? Red, granulated tissue, irregular borders, weepy Pallor, decrease hair, punched out wound appearance Entrance and exit wound, tunneling Wounds over bony prominence, decrease in sensation

red granulated tissue irregular borders weepy