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

You are caring for a 52-year- old woman who has been prescribed a major antipsychotic (neuroleptic) agent. after explaining the potential side effect, the client refuses to take the medication. how would you feel about taking a major antipsychotic (neuroleptic) agent, realizing the many side effects that these medications can cause? for psychoactive medications to be effective, client adherence is essential. how would you respond to a client who continually fails to follow his or her medication regimen?

List the therapeutic actions, indications, pharmacokinetics, contraindications, most common adverse reactions, and important drug–drug interactions for each of these medications

Anurse recently administered filgrastim intravenously to a client who has cancer and is receiving cytotoxic chemotherapy. for which of the following data, discovered after the medication was administered, should the nurse consider filling an incident report? a. the client had chemotherapy 12 hr before the medication was administered. b. the nurse flushed the client’s iv line with d5w before and after the medication was administered. c. the client’s absolute neutrophil count was 2,500/mm^3 before the medication was administered. d. the medication vial sat at the room temperature for 2 hr before it was administered.