(A) Whole blood is the transfusion component of choice when large volumes of blood need to be replaced. Whole blood contains all blood components that are lost during active bleeding. (B) Platelet therapy is indicated for thrombocytopenia if the client's platelet count is below 15,000/mm3. (C) Infusion of fresh frozen plasma is required when the prothrombin time and partial thromboplastic time are prolonged. (D) Packed red blood cells are transfused in instances of anemia with decreases in hematocrit and hemoglobin.

(A) A person in crisis needs support, assistance, and direction from a caregiver rather than just an instruction. (B) A battered person may feel guilt and think that they cause the abuser's behavior; however, the abuser has the problem and goes through phases of violence. (C) The nurse should provide support and guidance to the client in crisis by offering alternatives and assist in referrals. (D) Focusing on help from law enforcement may be a very temporary solution, because the victim may be fearful of pressing charges. This answer does not address the crisis of going home.

Explanation
(A) Pericarditis can cause dyspnea but primarily causes chest pain. (B) Anxiety can cause dyspnea resulting in SOB, yet it is not typically influenced by degree of head elevation. (C) The inability to oxygenate well without being upright is most indicative of congestive heart failure, due to alveolar drowning. (D) Angina causes primarily chest pain; any SOB associated with angina is not influenced by body position.

(A) The nurse may never discontinue a central line without a physician's order. (B) The nurse may never initiate a peripheral IV without a physician's order except in an emergency situation. (C) The nurse should always document findings and alert the physician to the findings as well. The physician may then initiate a new central line and order the current central line to be discontinued. (D) Besides cleaning and redressing, the nurse should always document the findings.

Explanation/Reference:
Explanation:
(A) Hepatic coma may occur in liver disease due to the increased NH3levels, not due to liver biopsy. (B) Jaundice may occur due to increased bilirubin levels, not due to liver biopsy. (C) Ascites would occur due to portal hypertension, not due to liver biopsy. (D) Hemorrhage and shock are the most likely complications after liver biopsy because of already existing bleeding tendencies in the vascular makeup of the liver.