Define the terms membrane potential, threshold potential, action potential, polarization, depolarization, and repolarization.

Rectangle pqrs has vertices p(1, 4), q(6, 4), r(6, 1), and s(1, 1). without graphing, find the new coordinates of the vertices of the rectangle after a reflection over the x-axis and then another reflection over the y-axis.

The nurse working at the senior center notices mrs jones, a 78-year old crying. the nurse approach mrs jones and asks if she needs . mrs jones stars “ i am so embarrassed. i had another accident and my pants are all wet. it’s like i’m a baby. i never should have come to the senior center." whar factors may be contributing to urinary incontinence? how should the nurse respond to mrs jones?

Where does systemic venous blood enter the heart? a. right ventricle b. left atrium c. right atrium d. left ventricle