What technique is often used for stimulating digestive organs?

All sinus rhythms have

A) upright, matching P waves. B) wide, bizarre QRS complexes. C) heart rates between 40 and 100. D) multiple P waves of varying configurations.

A patient who is a farmer came in for several routine laboratory tests. He was right handed and had calloused hands and fingers. Where would the preferred blood collection site be?

a. back side of the left hand b. back side of the right wrist c. antecubital area of either arm d. the middle finger of the left hand