NCLEX-RN
NCLEX RN Exam Review Answers
1. As a nursing supervisor in a long-term care facility, you prioritize strict infection control prevention measures due to the understanding that the normal aging process weakens the body's defenses. Which theory of aging supports the necessity of strict infection control prevention measures?
- A. The Programmed Longevity Theory
- B. The Immunological Theory of Aging
- C. The Endocrine Theory
- D. The Rate of Living Theory
Correct answer: B
Rationale: The theory of aging that aligns with the need for strict infection control prevention measures is the Immunological Theory of Aging. This theory posits that aging leads to a decline in the body's immune defenses and a reduced ability of antibodies to protect against infections. The other theories do not directly address the impact of aging on the immune system. The Programmed Longevity Theory focuses on genetic changes affecting aging, the Endocrine Theory emphasizes hormonal changes, and the Rate of Living Theory relates longevity to the rate of oxygen metabolism.
2. An infant is brought to the clinic by his mother, who has noticed that he holds his head in an unusual position and always faces to one side. Which of the following is the most likely explanation?
- A. Torticollis, with shortening of the sternocleidomastoid muscle
- B. Craniosynostosis, with premature closure of the cranial sutures
- C. Plagiocephaly, with flattening of one side of the head
- D. Hydrocephalus, with increased head size
Correct answer: A
Rationale: The correct answer is torticollis, characterized by the shortening of the sternocleidomastoid muscle, limiting the range of motion of the neck and causing the chin to point to the opposing side. Craniosynostosis is the premature closure of cranial sutures, leading to an abnormal head shape but not necessarily affecting head position. Plagiocephaly is flattening of one side of the head due to external forces or positioning, not muscle shortening. Hydrocephalus presents with an increased head size due to the accumulation of cerebrospinal fluid, not with a fixed head position.
3. Which of the following is an example of a living will?
- A. A client's son has been appointed to make his healthcare decisions if he becomes incapacitated
- B. A client has designated which of his children will receive his home and property before he dies
- C. A client has instructions that he does not want to be resuscitated through chest compressions if his heart stops beating
- D. A client designates what type of burial or cremation services he would want after his death
Correct answer: C
Rationale: A living will is a type of advanced directive that a client develops to stipulate his preferences for healthcare in the event that he is unable to do so. This includes specific instructions about medical treatments in certain situations. Choice C is the correct answer as it reflects a scenario where the client has clearly outlined their preference regarding resuscitation through chest compressions. Choices A, B, and D do not pertain to a living will. Choice A involves a healthcare proxy or agent, choice B involves a will or estate planning, and choice D involves funeral or burial arrangements, which are not part of a living will.
4. A systemic sign of infection is ______________.
- A. swelling
- B. redness
- C. heat
- D. a lack of appetite
Correct answer: D
Rationale: The correct answer is 'a lack of appetite.' When a person experiences a systemic infection, they may exhibit signs that affect the entire body. A lack of appetite is a common systemic sign of infection, along with other symptoms like rapid pulse, fever, and an elevated white blood cell count. Swelling, redness, and heat are more indicative of localized inflammation or infection, rather than systemic involvement.
5. Jack is a 2-month-old with a diagnosis of spinal muscular atrophy (SMA) type I. He has been admitted to the hospital for progressive respiratory difficulty. His parents have been informed that if he is not placed on ventilatory support, he will continue to decompensate and die of respiratory failure. Jack's physician discusses the poor prognosis of Jack's condition, and tells the parents that he will not be able to be removed from ventilatory support once it is initiated, due to his progressive neurological disease. After much discussion, the parents have decided to decline ventilatory support, agree to a do not resuscitate (DNR) order, and request hospice care for Jack. Another parent heard them discussing Jack's situation in the waiting room and says she could never do that to her baby. What is the most appropriate response to this parent?
- A. You never know what you'll do until you're in that situation.
- B. I can't discuss another patient's situation.
- C. They have been through too much already.
- D. You can contact administration with your concerns.
Correct answer: B
Rationale: In healthcare settings, privacy regulations prevent professionals from discussing patient situations with individuals not involved in that patient's care. Maintaining patient confidentiality is crucial to protect sensitive information. In this scenario, sharing details about Jack's situation with the parent who overheard the conversation would breach confidentiality. It is important to handle such situations delicately, especially in emotional environments like intensive care unit waiting rooms. While empathy and support are essential, it is equally crucial to respect patient privacy and confidentiality. Therefore, responding with 'I can't discuss another patient's situation' is the most appropriate and professional response in this context.
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