NCLEX NCLEX-RN
NCLEX RN Exam Review Answers
1. A patient is being admitted to the ICU with a severe case of encephalitis. Which of these drugs would the nurse not expect to be prescribed for this condition?
- A. Acyclovir (Zovirax)
- B. Mannitol (Osmitrol)
- C. Lactated Ringer's
- D. Phenytoin (Dilantin)
Correct answer: Lactated Ringer's
Rationale: In the treatment of encephalitis, medications like Acyclovir and Phenytoin are commonly prescribed. Acyclovir is an antiviral medication used to treat viral infections like herpes simplex virus, which can cause encephalitis. Phenytoin is an antiepileptic drug that may be used to manage seizures associated with encephalitis. Mannitol is a diuretic used to reduce intracranial pressure (ICP) by decreasing cerebral edema. Lactated Ringer's solution, on the other hand, is primarily used in fluid replacement therapy and may not be indicated if a patient is at risk for high ICP, as excessive fluid administration could worsen cerebral edema and increase ICP.
2. What does the medical term 'basophilia' refer to?
- A. An attachment of the epithelial cells of the skin to a basement membrane
- B. An overabundance of a particular white blood cell in the peripheral blood
- C. An underrepresentation of basophils on a blood smear
- D. None of the above
Correct answer: An overabundance of a particular white blood cell in the peripheral blood
Rationale: The correct answer is 'An overabundance of a particular white blood cell in the peripheral blood.' Basophilia specifically indicates an increased number of basophils in the peripheral blood. It can be observed in conditions like leukemia and certain allergic reactions. Choice A is incorrect as it describes something unrelated to basophilia. Choice C is incorrect as it suggests a decrease in basophils, which is opposite to the actual meaning of basophilia. Choice D is also incorrect as basophilia does have a defined medical significance.
3. A client is receiving treatment for delusional behavior. He believes that his neighbor is purposefully poisoning his water system in an attempt to make him sick. Which of the following responses of the nurse is most appropriate?
- A. Did you have the water tested to be sure?
- B. Why do you feel like your neighbor is trying to poison you?
- C. Let's just sit here and watch this television program.
- D. Don't be silly; your neighbor would do no such thing.
Correct answer: Why do you feel like your neighbor is trying to poison you?
Rationale: When a client presents with delusional beliefs, the nurse should avoid arguing with the client and should accept the client's initial need to hold onto the delusions. By asking the client 'Why do you feel like your neighbor is trying to poison you?' the nurse encourages the client to express his beliefs further. This open-ended question allows the client to elaborate on his delusions without feeling judged. It helps build trust between the nurse and the client, which is crucial for therapeutic communication. This approach may eventually lead to the client being more receptive to exploring and addressing his delusions. Choices A, C, and D are incorrect. Choice A may come off as dismissive and does not address the client's underlying beliefs. Choice C is a distraction and does not address the client's concerns. Choice D is confrontational and dismissive of the client's beliefs, which can damage the therapeutic relationship.
4. A client says, 'I hear a man speaking from the corner of the room. Do you hear him, too?' Which response is best?
- A. What is he saying to you? Does it make any sense?
- B. Yes, I hear him. What do you think he is saying?
- C. No one is in the corner of the room. Can’t you see that?
- D. No, I don’t hear him, but that must be upsetting for you.
Correct answer: No, I don’t hear him, but that must be upsetting for you.
Rationale: The best response is D: 'No, I don’t hear him, but that must be upsetting for you.' This response acknowledges the client's experience without validating the hallucination. The nurse expresses empathy by acknowledging the client's feelings ('that must be upsetting for you'), showing understanding and support. Choice A focuses on the content of the hallucination, which may inadvertently reinforce the delusion. Choice B validates the hallucination by agreeing that the nurse also hears the man. Choice C denies the client's experience and can lead to further distress by invalidating their perception.
5. What does preload refer to?
- A. The volume of blood entering the left side of the heart
- B. The volume of blood entering the right side of the heart
- C. The pressure in the venous system that the heart must overcome to pump the blood
- D. The pressure in the arterial system that the heart must overcome to pump the blood
Correct answer: B: The volume of blood entering the right side of the heart
Rationale: Preload refers to the volume of blood that enters the right side of the heart. This volume stretches the fibers in the heart before contraction. Preload is an essential factor in determining the force of ventricular contraction. Choices A, C, and D are incorrect. Choice A is incorrect because preload is specifically related to the volume of blood entering the right side of the heart. Choices C and D are incorrect as they refer to afterload, which is the pressure that the heart must overcome to pump blood out of the ventricles into the systemic or pulmonary circulation.
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