Nursing Elites

1. A client with hyperkalemia may exhibit peaked T waves on an electrocardiogram. This manifestation is an early sign of high potassium levels, but the diagnosis should not be based on this aspect alone. Untreated, hyperkalemia can lead to progressively worsening cardiac instability.

• A. A lumbar puncture takes a sample of cerebrospinal fluid from the back, which will be analyzed by the lab.
• B. The physician will insert a needle at the level of L4-L5 in the spinal cord.
• C. The client should lie flat on their back for a specific period following the procedure.
• D. The risks of the procedure include headache, back pain, and infection.

Correct answer: B

Rationale: A lumbar puncture is performed to obtain cerebrospinal fluid for analysis to investigate various conditions affecting the client. During the procedure, the client is typically positioned on their side or sitting leaning over a table with their back rounded. The physician inserts a needle into the back around the L4-L5 vertebrae to collect the sample. Option A is incorrect because a lumbar puncture does not draw blood but instead collects cerebrospinal fluid. Option C is incorrect as the client should not necessarily lie flat for 24 hours post-procedure. Option D is incorrect as the common risks of a lumbar puncture include headache, back pain, and potential infection, not nausea, rash, or hypotension.

2. Who among the following individuals wrote a medical code of ethics?

• A. Hammurabi
• B. Thomas Percival
• C. Hippocrates
• D. All of the above

Correct answer: D

Rationale: All of the above individuals contributed to the development of medical ethics. Hammurabi created the earliest known code around 2500 BC. Hippocrates, known for the principle 'Do no harm,' emphasized ethical practices in medicine. Thomas Percival, a physician interested in sociological medicine, authored a Code of Medical Ethics in 1803, which influenced modern medical ethics. Therefore, the correct answer is 'All of the above.' Choices A, B, and C are incorrect because each of them individually wrote a medical code of ethics, making 'All of the above' the most inclusive and accurate answer.

3. A nurse caring for a pediatric client shows little concern when the parents attempt to speak with her about their daughter's illness. When approached by the nurse manager about her behavior, the nurse responds by saying, 'I don't want to get involved. It doesn't matter what I do anyway; my work does not make much of a difference.' This nurse is exhibiting which of the following characteristics?

• A. Objectivity
• B. Depersonalization
• C. Procrastination
• D. Disruption

Correct answer: B

Rationale: The correct answer is 'Depersonalization.' A nurse who distances themselves from clients to avoid emotional involvement is displaying depersonalization. This behavior is often seen in nurses experiencing burnout due to stress. Depersonalization can stem from low morale, moral distress, and may serve as a defense mechanism to cope with stress and emotional exhaustion. It is a way to shield oneself from feeling overwhelmed by the burdens of caring for others. Choice A, 'Objectivity,' is incorrect because objectivity involves maintaining a neutral and unbiased perspective, which is not the case here. Choice C, 'Procrastination,' is incorrect as it refers to delaying tasks, not emotional distancing. Choice D, 'Disruption,' is irrelevant to the scenario described and does not align with the nurse's behavior of detachment and lack of concern.

4. The clinic nurse teaches a patient with a 42 pack-year history of cigarette smoking about lung disease. Which information will be most important for the nurse to include?

• A. Options for smoking cessation
• B. Reasons for annual sputum cytology testing
• C. Erlotinib (Tarceva) therapy to prevent tumor risk
• D. Computed tomography (CT) screening for lung cancer

Correct answer: A

Rationale: The most critical information for the nurse to provide to a patient with a significant smoking history is options for smoking cessation. Smoking is the primary cause of lung cancer, making smoking cessation essential in reducing the risk of developing the disease. Annual sputum cytology testing is not a standard screening test for lung cancer; instead, CT scanning is being explored for this purpose. Erlotinib therapy is used in lung cancer treatment but not for preventing tumor risk in individuals without cancer. CT screening for lung cancer is still under investigation and is not primarily aimed at prevention but rather early detection in high-risk individuals.

5. A client has volunteered to take part in a research study. After participating for two months, he decides that he can no longer tolerate the study and decides to leave. What are the client's rights in this situation?

• A. The client has a right to be released from the study but must reimburse the researchers for charges incurred
• B. The client has a right to be released from the study without any liability
• C. The client has a right to be released from the study but is prohibited from participating in any future studies
• D. The client does not have the right to be released from the study; he must finish his participation

Correct answer: B

Rationale: When a client voluntarily participates in a research study and later decides to withdraw, they have the right to be released from the study without any liability. It is unethical to force a participant to continue in a study against their will as this violates their autonomy and personal rights. Choice A is incorrect as it suggests that the client must reimburse the researchers for charges incurred, which is not typically the case unless agreed upon beforehand. Choice C is incorrect as there is no standard practice prohibiting a participant from future studies just because they withdrew from a current one. Choice D is incorrect because participants always have the right to withdraw from a research study at any time.

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