During contracion of heart muscle celis
a. calcium is prevented from entering cardiac fibers that have been stimulated
b. the action potential is prevented from spreading from cell to cell by gap junctions
c. some calcium enters the cell from the extracellular space and triggers the release of larger amounts of calcium
d. the action potential is initiated by voltage-gated slow calcium channels

The registered nurse working in thè cardiac care clinic is tasked with implementing quality improvement measures. to educate the dlinic staff, the nurse plans an in-service program to introduce concepts of quality improvement and evidence-based practice. additionally, the role of the case manager will be included in the presentation. the nurse plans on nursing care of the patient with congestive heart failure as a template and prepares sample clinical pathways care maps and multidisciplinary action plans. a. describe how clinical pathways are used to coordinate care of caseloads of patients. b. what is the role of the case manager in evaluating a patient's progress? c. what are examples of evidence-based practice tools used for planning patient care?