Which of the following substances accounts for more than half of the body's blood volume?

The motor unit is made up of a

A) motor axon B) muscle fibers C) motor neuron D) all of the above

Which of the following is a situation in which a fingerstick procedure is recommended?

A. Patient is dehydrated. B. Patient has fragile veins. C. Patient has poor peripheral circulation. D. Collection is for coagulation study.