Physical Agents: Final Exam Practice
Your patient wants ultrasound on a deep tissue. What frequency is most appropriate? A. 1 MHz B. 3.3 MHz
A. 1 MHz
Which of these does NOT increase circulation? A. Cold B. Heat C. E-stim
A. Cold
When applying e-stim, which has less current density? A. Large electrode pads B. Small pads
A. Large electrode pads
When applying e-stim, which is better for inducing a muscle contraction? A. Large electrode pads B. Small pads
A. Large electrode pads
Which of these is an example of conduction? A. MHP B. US C. Whirlpool
A. MHP
For iontophoresis, what is correct? A. Same polarity for med and electrode over area B. Opposite polarity for med and electrode over area
A. Same polarity for med and electrode over area
According to the strength duration curve, if you are stimulating motor, what are you also stimulating? A. Sensory B. Noxious C. All of the above
A. Sensory
Does e-stim prevent further edema? A. Yes B. No
A. Yes
How much weight do you use for lumbar traction? A. 1/4 body weight B. 1/2 body weight C. 1/3 body weight
B. 1/2 body weight
What do you need to heat the tissue to for heat to be beneficial? A. 15-25oC/59-77oF B. 45oC/113oF
B. 45oC/113oF
You want to apply e-stim to a pt's shallow tissues. You want to place the electrodes: A. Far apart B. Close together C. Overlapping
B. Close together
What is the mode of TENS that is sensory only? A. Low frequency B. Conventional C. Brief intense
B. Conventional
Which of these is NOT a parameter of TENS? A. Intensity B. Current C. Duration D. Frequency
B. Current
What current do you need to stimulate a deinnervated muscle? A. AC B. DC C. Pulsed
B. DC
Which is more beneficial for muscle strengthening? A. NMES B. Exercise C. NMES+Exercise
B. Exercise C. NMES+ Exercise **Its debatable
Pt has lumbar pain. You want them to stretch after their modality. What modality do you use? A. Cold B. Heat
B. Heat
When performing NMES to improve ROM by muscle activation, what amplitude do you want? A. Low amplitude B. High amplitude
B. High amplitude
Which of the following is NOT helpful for wound healing? A. Ultrasound B. Iontophoresis C. Pulsed diathermy D. High volt
B. Iontophoresis
What modality is most appropriate for muscle strengthening? A. Heat B. Motor level electrical stimulation C. Noxious level electrical stimulation D. High volt
B. Motor level electrical stimulation
Does e-stim reduce current edema? A. Yes B. No
B. No
Which of these is an example of convertion? A. MHP B. US C. Whirlpool
B. US
Which of the following is NOT a benefit of heating tissue? A. Increased circulation B. Vasoconstriction C. Increase collagen extensibility D. Decrease pain
B. Vasoconstriction **Vasodilation
Your patient is super, super sweaty (gross). If you put a constant current device on, what will change? A. Current B. Voltage C. Intensity D. Frequency
B. Voltage
Which of the following is NOT an effect of cold? A. Decreased pain B. Decreased swelling C. Decreased pain threshold
C. Decreased pain threshold **Increasing pain threshold
Which of the following is NOT a type of current? A. AC B. DC C. NMES D. Pulsed
C. NMES
Which of these is an example of convection? A. MHP B. US C. Whirlpool
C. Whirlpool
Who wears eye protection during a laser treatment? A. pt B. PT C. Everyone
C. everyone
Your patient wants ultrasound on a deep tissue. How deep does 1MHz ultrasound go? A. <2.5cm B. <3cm C. <5cm D. <6cm
D. <6cm
According to the strength duration curve, what are you stimulating if the patient feels pain? A. Sensory B. Motor C. Noxious D. All of the above
D. All of the above
Which of these is a contraindication for intermittent compression? A. DVT B. HTN C. PAD/PVD D. All of the above
D. All of the above
You apply compression, ice and elevation to a pt who has swelling. What do you NOT expect to happen? A. Decreased girth B. Decreased pain C. Increased ROM D. I expect all of those to happen
D. I expect all of those to happen
What is the benefit of microcurrent?
Decrease pain and improve tissue healing
Your patient has tightness in the posterior hip. What is the most appropriate modality to improve extensibility? A. Cold B. Ultrasound C. Diathermy D. Iontophoresis E. B+C F. C+D
E. B+C
Your patient is very tight in their shoulder. You want to apply heat to help them stretch. When is the best time to stretch? A. Before heat application B. During application C. Immediately after application D. 15 minutes after application E. B+C F. C+D
E. B+C
T/F: NMES is effective for inflammation
False. It is not.
What are the contraindications for spinal traction?
Osteoporosis, fracture, fusion, spinal cord dysfunction symptoms
T/F: Having went skin during a diathermy treatment can burn your skin.
True
Name 3 indications for intermittent compression
o Swelling o Lymphedema o Venous stasis ulcers
Name 4 contraindications for spinal traction
osteoporosis, acute joint inflammation, disc protrusion, hypermobility
What do you do if your patient complains that the ultrasound is too hot?
decrease intensity, move sound head faster
