ATC Therapeutic Modalities 2

Question 1

Hot packs transfer heat to the body primarily through which mechanism?

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Answer

Evaporation

Question 2

What is the recommended temperature range for a therapeutic warm whirlpool used for general extremity treatment?

Accepted Answer

102°F-110°F (38.9°C-43.3°C)

Answer

95°F-98°F (35°C-36.7°C)

Answer

98°F-102°F (36.7°C-38.9°C)

Answer

110°F-120°F (43.3°C-48.9°C)

Question 3

Interferential current (IFC) therapy typically uses which carrier frequency?

Accepted Answer

4,000 Hz

Answer

1-10 Hz

Answer

50-80 Hz

Answer

100,000 Hz

Question 4

In pulsed ultrasound with a 20% duty cycle, what does this signify?

Accepted Answer

The ultrasound is on for 20% of the total treatment time

Answer

The intensity is 20% of continuous output

Answer

The frequency is set at 20 Hz

Answer

The transducer moves at 20 cm/s

Question 5

Phonophoresis combines therapeutic ultrasound with which additional treatment?

Accepted Answer

Topical medication delivery

Answer

Electrical stimulation

Answer

Cryotherapy application

Answer

Mechanical traction

Question 6

Which of the following is a contraindication for the use of moist heat packs?

Accepted Answer

Acute injuries within 24-72 hours

Answer

Chronic muscle tension

Answer

Subacute injuries after 72 hours

Answer

Decreased range of motion

Question 7

Iontophoresis requires which type of electrical current to drive ions into tissue?

Accepted Answer

Direct current (DC)

Answer

Alternating current (AC)

Answer

Pulsed biphasic current

Answer

Interferential current