NPTE – Modalities Exam Study Set |100% Correct Question and Answers| #latest

NPTE – Modalities Exam Study Set |100% Correct Question and Answers| #latest Methods of heat transmission: *Ans* Conduction - physical contact (hot packs, paraffin) Convection - movement of air or fluid (whirlpool, fluidotherapy) Radiation - transmission of electromagnetic energy (infrared lamp) Physiologocial effects of general heat application *Ans* Increased cardiac output, metabolic rate, pulse rate, respiratory rate, vasodilation Decreased BP, muscle activity, blood to internal organs, blood flow to resting muscle, stroke volume How is pain modulated via application of heat/cold? *Ans* Gate theory - pre synaptic inhibition of A delta and C fibers through activation of A beta fibers Hot pack heated in water between.. *Ans* 165 - 170 F When is the patient at greatest risk for burn? *Ans* Within the first 5 minutes of applying the hot pack Ratio of paraffin wax and mineral oil *Ans* 6:1 or 7:1 Whirlpool temperature *Ans* 104 - 110 F 95 - 100 F peripheral vascular disease Treatment pressure for pulsed lavage *Ans* 4 - 8 psi Physiological effects of general cold application *Ans* Decreased metabolic rate, pulse rate, respiratory rate, venous blood pressure Increased blood flow to internal organs, cardiac output, stroke volume, arterial blood pressure, shivering Treatment temperature for cold packs *Ans* 0 - 10 F Treatment time for heat vs. cold *Ans* Heat: 20-30 min. Cold: 10-20 min. Physiological response to cold treatment *Ans* Cold, burning, aching, numbness Ice massage *Ans* Area no larger than 4 - 6 inches Apply 2 inches/second Treatment time: 5-10 min. Vapocoolant spray *Ans* Invert container, 18 - 24 inches from treatment area