BIOL 171 Study Guide - Midterm Guide: Aorta, Arteriosclerosis, Grayscale
Document Summary
Doppler refers to: the change in frequency. The scanning beam should be _____ to the flow: parallel. Doppler shift is directly proportional to : velocity of red blood cells. Color and hue relate to ______ rather than to the direction or velocity of flow: velocity is on the vertical axis, time is on the horizontal axis, moving blood volume. Doppler frequency shift is proportional to _____: transmitted frequency. Excessive increase in wall filter causes ____: patient exposure, elimination to to lower frequency. High prf results in ______, this is needed for ____: high scale, higher velocities. What type of echo does a sonolucent structure give: echo-free. Then tapers to _____ after it proceeds inferiorly to the bifurcation to become : 23 mm in men, 19 mm in women, 10-15mm, common iliac arteries. Where does the renal arteries arise from: superior mesenteric artery, celiac trunk. Superior mesenteric artery: from the hilum of left kidney posterior to.
