Question

question # 9
multiple choice
john hunter developed this technique to help injured people who could not breathe.
blood transfusion
tracheotomy
tourniquet
variolation

Explanation:

John Hunter is known for developing tracheotomy, a procedure to open the trachea to help those with breathing difficulties. Blood transfusion (for blood transfer), tourniquet (for controlling bleeding), and variolation (for smallpox prevention) don't relate to aiding breathing.

Answer:

B. tracheotomy