The best definition of communication is:

Correct Answer: C

Rationale: Communication is defined as an ongoing, interactive form of transmitting transactions. It involves a dynamic process of sending (encoding) and receiving (decoding) messages while being influenced by the experiences and perceptions of both the sender and receiver. This process is interactive and occurs within an environment, shaping individuals' self-concept, identity, and relationships. The correct answer captures the complexity and interactive nature of communication. Choice A, 'the sending and receiving of messages,' is too simplistic and does not encompass the interactive nature of communication. Choice B, 'the effect of sending verbal messages,' focuses solely on verbal communication and overlooks non-verbal forms. Choice D, 'the use of message variables to send information,' emphasizes technical aspects rather than the interactive and transactional nature of communication.

Correct Answer: B

Rationale: Choice B, crisis intervention, is the correct answer. Counseling by a nurse specialist in a rape crisis situation is a form of crisis intervention, which is part of the Crisis Intervention Model. It aims to provide immediate support and help the victim cope with the traumatic event. Empathetic concern (Choice C) is important but refers more to the nurse's attitude rather than the specific action described. Assessment (Choice A) typically involves gathering information and may have already been done before counseling. Unwarranted intrusion (Choice D) is not applicable here as the counseling is provided to support the victim in a professional and caring manner.

Correct Answer: A

Rationale: The correct statement is that fat emulsions have a high energy-to-fluid-volume ratio. Fat emulsions are formulated in 10%, 20%, and 30% solutions and supply 1.1, 2, and 3 kilocalories, respectively, for each milliliter. In comparison, a milliliter of 5% dextrose only supplies 0.17 kilocalories. Choices B, C, and D are incorrect. Choice B is false because fat emulsions are essentially pH neutral and isotonic, not hypertonic. Choice C is incorrect because fat emulsions are not basic solutions; they are essentially pH neutral. Choice D is incorrect as fat emulsions are not alkaline; they are pH neutral, making them compatible with most medications.

Correct Answer: A

Rationale: The correct answer is denial. In this scenario, the client's statement indicates denial, which is a common reaction in Kübler-Ross's Stages of Grieving. Denial involves the refusal to accept or believe that a loss, such as a terminal illness diagnosis, is happening. Choices B, C, and D are incorrect: Anger involves feelings of resentment or frustration; Bargaining is an attempt to negotiate or make deals to avoid the situation; Acceptance is the final stage where the individual comes to terms with the reality of the situation.

Correct Answer: C

Rationale: The correct answer is a 14-year-old girl needing an appendectomy who is not an emancipated minor. Informed consent can be given by individuals who are competent and not minors. Minors are generally unable to provide informed consent unless they are emancipated. Choice A is incorrect because an 86-year-old male with advanced Alzheimer's disease is considered incompetent to make decisions. Choice D is incorrect because a 6-month-old baby is unable to provide consent. Emancipated minors are an exception to the minor rule, as they can provide consent for their own treatment.