When was the first documented case of air medical evacuation by helicopter?

Cross Product

A and B are points on the same body. Lets call the vector between them AB: If AB does change direction as the body moves, this is an example of pure [answer1] If AB changes direction as the body moves, this is an example of [answer2] If AB cannot change in magnitude, this means the body is [answer3]  

The nurse is meeting with a patient who is 39 weeks and she has expressed fear about her impending labor and how she will manage. The nurse’s best response is?

A primigravida calls the hospital and tells the nurse on the labor unit that she knows that she is in labor. The nurse’s initial response would be which of the following?

A woman at 26 weeks of gestation is being assessed to determine whether she is experiencing preterm labor. What diagnostic test would the nurse be looking for with the patient?

A patient at 42 weeks gestation has come to the hospital for a NST. Which finding would require further assessment by the nurse?

Two weeks after childbirth the uterus is no longer palpable?

In evaluating the effectiveness of magnesium sulfate for the treatment of preterm labor, what finding would alert the nurse to a possible side effect?

Your caring for an induction of labor at 39 weeks, what nursing intervention would you need to do after seeing this tracing?