Make a drawing of a u-tube manometer like the one inside a sphygmomanometer. explain using your diagram whether blood pressures are absolute or gauge pressures. for a reading of "110", draw the mercury level roughly to scale on your diagram. indicate the pressures on top of both sides of the manometer on your diagram. explain using a calculation on how the relationship p=p0 + rhogd applies to the reading "110" and to your diagram.

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.