Adjunct 2 Quiz 3 US

T/F. Using the Mettler Sonicator with a 3 MHz soundhead, a subacute injury on a superficial area should be set at 20% duty cycle with .75-1.25 w/cm intensity for 6 minutes.

a. True

b. False

b. False

1 multiple choice option

Which one of the following would be indicated for the use of ultrasound?

a. a patient that has referred mid back pain from an inflamed gallbladder

b. a patient that is complaining of acute pain from an injury to the shoulder

c. a patient that is complaining of knee pain from lack of use due to a knee replacement procedure

d. none of the above

b. a patient that is complaining of acute pain from an injury to the shoulder

3 multiple choice options

T/F. One of the non-thermal benefits of ultrasound is increased tissue elasticity.

a. True

b. False

b. False

1 multiple choice option

T/F. In order to use the Mettler ultrasound on a superficial structure, the only available option is to use the immersion or bladder technique.

a. True

b. False

b. False

1 multiple choice option

T/F. For an acute injury the intensity should be set to 0.5-1.5w/cm2 using 3MHz direct contact ultrasound.

a. True

b. False

b. False

1 multiple choice option

In order to use ultrasound at 1 MHz on an extremity utilizing the direct contact technique you must have ____ of tissue between bone and the sound head.

a. 1/2 in

b. 3/4 in

c. 1 in

c. 1 in

2 multiple choice options

T/F. A non-thermality modality for US releases histamines to assist with healing.

a. True

b. False

a. True

1 multiple choice option

Ultrasound for a chronic injury using a 3MHz head has all of the following settings EXCEPT?

a. duty cycle at 100%

b. intensity at 1-2 w/cm"

c. make sure the head is moving approx 4cm/s

d. time 8-10 min

b. intensity at 1-2 w/cm"

3 multiple choice options

Patient came to your office with an acute wrist injury. All of the following would be correct for ultrasound EXCEPT?

a. ultrasound is done by 6 min

b. a 3 MHz soundhead is used for his treatment by immersion

c. duty cycle set to 20% if using immersion

d. immersion would be the best method because the wrist is bony

b. a 3 MHz soundhead is used for his treatment by immersion

3 multiple choice options

T/F. A non-thermal effect of ultrasound is histamine release which is due to cavitations and microstreaming.

a. True

b. False

a. True

1 multiple choice option

All of the following correctly describe non-thermal effects of ultrasound EXCEPT?

a. can stimulate histamine release

b. increase fibroblastic activity

c. increase blood flow

d. increases the duration of inflammatory phase

d. increases the duration of inflammatory phase

3 multiple choice options

All of the following are validated reasons to use ultrasound as a heating modality EXCEPT?

a. decrease nerve conduction

b. reduces muscle spasm

c. decreases joint stiffness

d. increase blood flow

a. decrease nerve conduction

3 multiple choice options

Which of the following situation is a contraindication for ultrasound?

a. a 10 yo patient complaining of knee pain after activity

b. a patient with wrist pain and history of period

c. a pregnant patient with chronic ankle injury

d. none of the options

d. none of the options

3 multiple choice options

Which of the following is considered a precaution for ultrasound?

a. ischemic areas

b. over nerve plexuses

c. areas around the eyes

d. over cancer

b. over nerve plexuses

3 multiple choice options