NCLEX 501-550 Questions and Answers Already Passed

NCLEX 501-550 Questions and Answers Already Passed NO.501 A family is experiencing changes in their lifestyle in many ways. The invalid grandmother has moved in with them. The couple have a 2-year-old son by their marriage, and the wife has two children by her previous marriage. The older children are in high school. In applying systems theory to this family, it is important for the nurse to remember which of the following principles? A. The parts of a system are only minimally related. B. Dysfunction in one part affects every other part. C. A family system has no boundaries. D. Healthy families are enmeshed. Answer: B Explanation: (A) The parts of a system are interrelated. (B) Any change in any part of the system affects all other parts. (C) A family system, like any other system, has boundaries. (D) Healthy families are neither enmeshed nor disengaged. NO.502 The family member of a child scheduled for heart surgery states, "I just don't understand this open-heart or closed-heart business. I'm so confused! Can you help me understand it?" The nurse explains that patent ductus arteriosus repair is: A. Open-heart surgery. The child will be placed on a heart-lung machine while the surgery is being performed. B. Closed-heart surgery. It does not require that the child be placed on the heart-lung machine while the surgery is being performed. C. A pediatric version of the coronary artery bypass graft surgery performed on adults. It is an open- heart surgery. D. A pediatric version of percutaneous transluminal coronary angioplasty performed on adults. It is a closed-heart surgery. Answer: B Explanation: (A) Patent ductus arteriosus repair is a closed-heart procedure. The client is not placed on a heart-lung machine. (B) Patent ductus arteriosus is a ductus arteriosus that does not close shortlyafter birth but remains patent. Repair is a closed-heart procedure involving ligation of the patent ductus arteriosus. (C) Coronary artery bypass graft surgery is an open-heart surgical procedure in which blocked coronary arteries are bypassed using vessel grafts. (D) Percutaneous transluminal coronary angioplasty is a closedheart procedure that improves coronary blood flow by increasing the lumen size of narrowed vessels. NO.503 A client is diagnosed with organic brain disorder. The nursing care should include: A. Organized, safe environment B. Long, extended family visits C. Detailed explanations of procedures D. Challenging educational programs Answer: A Explanation: (A) A priority nursing goal is attending to the client's safety and well-being. Reorient frequently, remove dangerous objects, and maintain consistent environment. (B) Short, frequent visits are recommended to avoid overstimulation and fatigue. (C) Short, concise, simple explanations are easier to understand. (D) Mental capability and attention span deficits make learning difficult and frustrating. NO.504 Clinical manifestations seen in left-sided rather than in right-sided heart failure are: A. Elevated central venous pressure and peripheral edema B. Dyspnea and jaundice C. Hypotension and hepatomegaly D. Decreased peripheral perfusion and rales Answer: D Explanation: (A, B, C) Clinical manifestations of right-sided heart failure are weakness, peripheral edema, jugular venous distention, hepatomegaly, jaundice, and elevated central venous pressure. (D) Clinical manifestations of left-sided heart failure are left ventricular dysfunction, decreased cardiac output, hypotension, and the backward failure as a result of increased left atrium and pulmonary artery pressures, pulmonary edema, and rales. NO.505 A 9-month-old infant is being examined in the general pediatric clinic for a routine well- child checkup. His immunizations are up to date, and his mother reports that he has had no significant illnesses or injuries. Which of the following signs would lead the nurse to believe that he has had a cerebral injury?