Which of these occur when epinephrine and norepinephrine are secreted in response to hypoperfusion in hypovolemic shock?

A subcutaneous injection typically employs a(n)

None of these answers 1.5-inch needle 5?8-inch needle 3?4-inch needle 1?4-inch needle

Harmonic sound waves

a. are the result of scattered echoes hitting each other. b. allow the sonographer to use a low frequency transducer for penetration with improved resolution. c. do not occur in a water medium. d. remain as a sinusoidal wave shape but can change shape based upon tissue shape and contour.