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: C
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. In which order should the nurse take the following actions for an older patient with new onset confusion who is normally alert and oriented?
- A. Obtain the oxygen saturation, Check the patient's pulse rate, Notify the health care provider, Document the change in status
- B. Obtain the oxygen saturation, Check the patient's pulse rate, Document the change in status, Notify the health care provider
- C. Document the change in status, Notify the health care provider, Check the patient's pulse rate, Obtain the oxygen saturation
- D. Document the change in status, Check the patient's pulse rate, Obtain the oxygen saturation, Notify the health care provider
Correct answer: B
Rationale: The correct order of actions for the nurse in this scenario is to first obtain the oxygen saturation to assess the patient's airway and oxygenation status. Next, checking the patient's pulse rate helps in evaluating circulation. Subsequently, documenting the change in the patient's status is important for maintaining an accurate record of care. Finally, notifying the health care provider is crucial to ensure timely intervention and further management. Choices A, C, and D are incorrect because assessing oxygen saturation should precede checking the pulse rate to address potential physiological causes of confusion. Additionally, documentation should follow patient assessment and notification of the healthcare provider for appropriate record-keeping and communication.
3. Which of the following factors may alter the level of consciousness in a patient?
- A. Alcohol
- B. Electrolytes
- C. Infection
- D. All of the above may cause altered level of consciousness
Correct answer: D
Rationale: Various factors can lead to altered levels of consciousness in a patient. Alcohol consumption can depress the central nervous system and cause changes in consciousness. Electrolyte imbalances, such as hyponatremia or hypernatremia, can disrupt brain function and affect consciousness. Infections, especially those affecting the brain like encephalitis, can also lead to alterations in consciousness. Therefore, all of the choices provided - Alcohol, Electrolytes, and Infection - can potentially cause changes in the level of consciousness. Remember the acronym AEIOU-TIPPS to recall common causes of decreased level of consciousness, including Alcohol, Electrolytes, and Infection, among others.
4. What is the likely cause of pericarditis in a young patient?
- A. Heart failure
- B. Acute MI
- C. Hypertension
- D. Infectious processes
Correct answer: D
Rationale: In younger patients, pericarditis is typically caused by an infection commonly triggered by viruses like the Coxsackie virus, streptococcus, staphylococcus, or Haemophilus influenzae. Infectious processes are the leading cause of pericarditis in younger individuals. Heart failure, Acute MI, and Hypertension are not common causes of pericarditis in young patients. In older adults, acute myocardial infarction (MI) is a more common cause of pericarditis.
5. A 15-year-old female who ingested 15 tablets of maximum strength acetaminophen 45 minutes ago is rushed to the emergency department. Which of these orders should the nurse do first?
- A. Gastric lavage
- B. Administer acetylcysteine (Mucomyst) orally
- C. Start an IV Dextrose 5% with 0.33% normal saline to keep the vein open
- D. Have the patient drink activated charcoal mixed with water
Correct answer: A
Rationale: Acetaminophen overdose is extremely toxic to the liver causing hepatotoxicity. Early symptoms of hepatic damage include nausea, vomiting, abdominal pain, and diarrhea. If not treated immediately, hepatic necrosis occurs and may lead to death. Removing as much of the drug as possible is the first step in treatment for acetaminophen overdose, this is best done through gastric lavage. Gastric lavage (irrigation) and aspiration consist of flushing the stomach with fluids and then aspirating the fluid back out. This procedure is done in life-threatening cases such as acetaminophen toxicity and only if less than one (1) hour has occurred after ingestion.
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