The time between a 180-degree pulse and a 90-degree inversion pulse in an inversion recovery pulse system is

A patient's response to an interview question is initially unclear. Which of the following respons-es on your part would be most appropriate?

a. "Please go on." b. "You seem to be anxious." c. "Please explain that to me again." d. "Yes, I think I understand."

What term is used to describe a potassium concentration that is below normal in the blood serum?

a. Hypokalemia b. Hyponatremia c. Hypocalcemia d. Hypochloremia