Patients with heart failure may present with an elevated blood pressure and especially an elevated _________________ blood pressure

Which of the following muscle does NOT overload because of acute or chronic respiratory strain?

a. Scalenes b. Sternocleidomastoid c. Serratus posterior superior d. Suboccipitals

Pre-clinical investigation takes about:

A) 1 to 3 years B) 3 to 5 years C) 5 to 7 years D) 7 to 15 years