Deck 10: Clinical Application of Shortwave Diathermy

Question 1

Moisture will not affect pulsed shortwave diathermy if using a mean power less than how many watts?

A) 10
B) 30
C) 50
D) 70

Answer 1

B

Question 2

A unit is considered in tune when you have to use less than what percentage of the maximum output in the treatment?

A) 10 percent
B) 30 percent
C) 70 percent
D) 50 percent

Answer 2

D

Question 3

Which is an appropriate parameter when heating tissue using pulsed shortwave diathermy?

A) 800 bursts per second
B) Burst duration of 65 microseconds
C) Interburst interval of 200 microseconds
D) RMS output of 150 W per burst

Answer 3

A

Question 4

Due to the relative difficulty of setup and potential for harm,what method of shortwave application is becoming uncommon?

A) Induction drum
B) Capacitive plate
C) Electrode method
D) Inductive cables

Question 5

Which of the following parameters will affect the amount of heating from shortwave diathermy? Select all that apply.

A) Method of application
B) Size of electrodes
C) Distance of the source of energy to the tissue
D) Output intensity
E) Burst duration

Question 6

According to the practical evidence,what best represents the volume of tissue treated via shortwave diathermy?

A) Cereal bowl
B) 2 ketchup packets
C) Small mixing bowl
D) Deck of cards

Question 7

How far away should fixtures with significant metal content be placed when treating with shortwave diathermy?

A) At least 50 ft
B) At least 20 ft
C) At least 30 ft
D) At least 40 ft

Question 8

At moderate intensities,what is an appropriate treatment duration for shortwave diathermy?

A) 5 to 10 min
B) 10 to 20 min
C) 20 to 30 min
D) 60 min

Question 9

When higher than moderate treatment temperatures are used,how often can patients receive treatments?

A) No more than one every 2 hours
B) No more than 2 every hour
C) No more than one every hour
D) No more than two in 1 day

Question 10

When applying shortwave diathermy,what should the moderate warmth temperature sensation be used to treat? Select all that apply.

A) Acute trauma
B) Stretching collagen-rich tissues
C) Subacute inflammation
D) Muscle spasm
E) Chronic inflammation

Question 11

Which of the following contraindicate the use of shortwave diathermy? Select all that apply.

A) Cancer
B) Thrombophlebitis
C) Sinusitis
D) Hematoma
E) Muscle spasm

Question 12

Which is a true statement concerning the application of shortwave diathermy with an inductive drum?

A) Nothing should be placed between the drum and skin.
B) In general,the drum should be placed approximately 0.5 to 1 inch from the skin.
C) There is a direct relationship between the distance of the drum from the skin and the intensity of energy needed to treat.
D) The surface of the drum should not be placed parallel to the skin.

Question 13

What parameters are appropriate when mild warmth is desired to treat subacute inflammation?

A) Pulse width of 65 µsec; pulse rate of 100 pps
B) Pulse width of 200 µsec; pulse rate of 200 pps
C) Pulse width of 400 µsec; pulse rate of 800 pps
D) Pulse width of 100 µsec; pulse rate of 800 pps

Question 14

Which conditions are indications for use of shortwave diathermy? Select all that apply.

A) Chronic pain
B) Edema reduction
C) Venous stasis ulcers
D) Ischemic area
E) Peripheral vascular disease

Question 15

Approximately how far from the skin should the capacitive plate be placed during treatment?

A) 0.5 to 1 cm
B) 3 cm
C) 0.5 to 1 in.
D) 3 in.

Question 16

Which of the following is a precaution when treating with shortwave diathermy?

A) Anesthetic area with nonthermal mode
B) Acute injury with thermal mode
C) Ischemic area
D) Fracture site

Question 17

Which of the following heating modalities is capable of penetrating all the tissues of the body?

A) Ultrasound
B) Shortwave diathermy
C) Warm whirlpool
D) Moist heat pack

Question 18

Which of the following are nonthermal effects resulting from shortwave diathermy treatment? Select all that apply.

A) Improved tissue healing
B) Edema reduction
C) Lymphedema reduction
D) Increased blood flow
E) Increased cell metabolism

Question 19

Adjusting what control will allow the clinician to maximize the energy exchange between generator and patient?

A) Tuning
B) Output intensity
C) Interrupt switch
D) Pulse frequency

Question 20

With continuous shortwave diathermy,there must be no metal within what distance from the treatment area?

A) 0.5 ft
B) 1 ft
C) 1.5 ft
D) 3 ft