Immutable objects can degrade performance since they must be created and discarded frequently (i.e., garbage collection must occur frequently)

What is the purpose of the ensureCapacity method in the Stack class below? public class Stack { private Object[] elements; private int size = 0; private static final int DEFAULT_INITIAL_CAPACITY = 16; public Stack() { this.elements = new Object[DEFAULT_INITIAL_CAPACITY]; } public void push (Object e) { ensureCapacity(); elements[size++] = e; } public Object pop () { if (size == 0) throw new IllegalStateException(“Stack.pop”); Object result = elements[–size]; elements[size] = null; // Eliminate obsolete reference return result; } private void ensureCapacity() { if (elements.length == size) { Object oldElements[] = elements; elements = new Object[2*size + 1]; System.arraycopy(oldElements, 0, elements, 0, size); } } }

39.    A nurse is planning care for a group of clients. When planning the assignment for an assistive personnel (AP), which of the following activities should the nurse consider unsafe for the AP to perform?

50. A nurse is providing education on priority setting framework to a group of newly licensed nurses. Which of the following statements should the nurse make regarding the acute vs. chronic priority setting framework?  

42.  A nurse is documenting in a client’s health record using the problem-intervention-evaluation charting model (PIE). Which of the following information should be included in the intervention component?

20. The nurse is caring for a client who has had a tonsillectomy (removal of the tonsils from the throat). Which problem would be of greatest priority immediately after surgery?

44.  A nurse is caring for a client who is scheduled to have a colonoscopy. The client states, “I am so nervous about what the doctor might find during the test.” The nurse asks the client, “Are you feeling anxious about the results of your colonoscopy?” The nurse’s response is an example of which of the following communication techniques?

43.  A nurse is preparing to document a client’s information in the electronic medical record. Which of the following nursing statements identifies the purpose of documentation?

21.   A nurse in a community health clinic is interviewing a couple who just lost their house in a fire. Using the priority framework of Maslow’s hierarchy of needs, which category should the nurse identify for the clients’ situation?

4.  The nurse is caring for a patient who has just been diagnosed with a Myocardial Infarction (Heart Attack).  The Provider ordered for the patient to have a troponin lab drawn, EKG and for the nurse to administer aspirin to the patient. Which phase of the nursing process is the nurse in?