Pulsed ultrasound on injury response process is associated with which change?

Pulsed ultrasound on injury response process is associated with which change?

• A. Increase cellular histamines
• B. Decrease cellular histamines
• C. No change in histamines
• D. Increase cellular calcium

Answer: (A)

Pulsed ultrasound tends to stimulate cells in injured tissue to release inflammatory mediators. Mast cells, in particular, can degranulate in response to the mechanical energy, releasing histamine. This histamine release increases vascular permeability and vasodilation, which helps bring immune cells and nutrients to the area and supports the early inflammatory phase of healing. So the change most closely linked to pulsed ultrasound in the injury response is an increase in cellular histamines. The other options describe dampening, no change, or a different signaling change that isn’t the primary effect described for pulsed ultrasound in this context.

Pulsed ultrasound tends to stimulate cells in injured tissue to release inflammatory mediators. Mast cells, in particular, can degranulate in response to the mechanical energy, releasing histamine. This histamine release increases vascular permeability and vasodilation, which helps bring immune cells and nutrients to the area and supports the early inflammatory phase of healing. So the change most closely linked to pulsed ultrasound in the injury response is an increase in cellular histamines. The other options describe dampening, no change, or a different signaling change that isn’t the primary effect described for pulsed ultrasound in this context.