NPTE-PT FREE NPTE-PT Test Equipment and Therapeutic Modalities Questions and Answers 3

Question 1

A physical therapist selects interferential current (IFC) therapy for a patient with deep hip joint pain. What is the PRIMARY advantage of IFC over conventional TENS for this application?

Accepted Answer

IFC has a greater depth of penetration due to higher carrier frequency

Answer

IFC produces less skin irritation

Answer

IFC uses lower amplitude settings

Answer

IFC requires only one electrode

Question 2

During iontophoresis treatment for lateral epicondylitis, the clinician applies dexamethasone (a negatively charged ion) to the involved area. Under which electrode should the medication be placed?

Accepted Answer

The negative electrode (cathode)

Answer

The positive electrode (anode)

Answer

Either electrode is acceptable

Answer

A dispersive pad separate from both electrodes

Question 3

A patient recovering from a total knee arthroplasty is using a continuous passive motion (CPM) machine. Which parameter should be progressed FIRST during the initial postoperative phase?

Accepted Answer

Flexion range of motion

Answer

Speed of motion

Answer

End-range extension

Answer

Duration of treatment session

Question 4

A physical therapist is applying cryotherapy to an acute ankle sprain. Which of the following is a contraindication for this treatment?

Accepted Answer

Patient has a history of Raynaud's phenomenon

Answer

Presence of mild edema

Answer

Patient reports pain level of 7/10

Answer

The injury occurred less than 24 hours ago

Question 5

When using therapeutic ultrasound over an area with a metal implant, which of the following is TRUE?

Accepted Answer

Pulsed ultrasound at low intensity can be safely used if the implant is well-fixed and asymptomatic

Answer

Ultrasound is absolutely contraindicated over all metal implants

Answer

Metal reflects ultrasound waves, creating dangerous hot spots at the metal-tissue interface

Answer

The ultrasound beam passes through metal without any interaction

Question 6

A patient with a C6 spinal cord injury is being evaluated for wheelchair prescription. Which type of wheelchair is MOST appropriate for long-term community mobility?

Accepted Answer

Lightweight rigid-frame manual wheelchair with quick-release wheels

Answer

Standard weight manual wheelchair with fixed armrests

Answer

Power wheelchair with tilt-in-space seating

Answer

Reclining manual wheelchair with elevating leg rests