NCLEX-RN
NCLEX RN Exam Review Answers
1. The nurse is caring for clients in the pediatric unit. A 6-year-old patient is admitted with 2nd and 3rd degree burns on his arms. The nurse should assign the new patient to which of the following roommates?
- A. A 4-year-old with sickle-cell disease
- B. A 12-year-old with chickenpox
- C. A 6-year-old undergoing chemotherapy
- D. A 7-year-old with a high temperature
Correct answer: A
Rationale: The nurse should be concerned about the burn patient's vulnerability to infection due to compromised skin integrity. Sickle cell disease is not a communicable disease, so rooming the burn patient with a 4-year-old with sickle-cell disease would not pose an increased risk of infection transmission. Rooming the burn patient with a 12-year-old with chickenpox would increase the risk of infection for the burn patient. Rooming with a 6-year-old undergoing chemotherapy may expose the burn patient to potential infections. A 7-year-old with a high temperature could potentially have a contagious illness, which could be risky for the burn patient.
2. When auscultating the patient's lungs during a shift assessment on a patient admitted in the early phase of heart failure, which finding would the nurse most likely hear?
- A. Continuous rumbling, snoring, or rattling sounds mainly on expiration
- B. Continuous high-pitched musical sounds on inspiration and expiration
- C. Discontinuous, high-pitched sounds of short duration heard on inspiration
- D. A series of long-duration, discontinuous, low-pitched sounds during inspiration
Correct answer: C
Rationale: In the early phase of heart failure, fine crackles are likely to be heard upon auscultation of the lungs. Fine crackles are characterized as discontinuous, high-pitched sounds of short duration heard on inspiration. Rhonchi are continuous rumbling, snoring, or rattling sounds mainly on expiration, which are often associated with airway secretions. Coarse crackles are a series of long-duration, discontinuous, low-pitched sounds during inspiration, typically indicating fluid in the alveoli. Wheezes are continuous high-pitched musical sounds on inspiration and expiration, commonly heard in conditions like asthma or chronic obstructive pulmonary disease (COPD). Therefore, the correct choice is C, as it describes the expected lung sounds in a patient with early heart failure.
3. A female patient with atrial fibrillation has the following lab results: Hemoglobin of 11 g/dl, a platelet count of 150,000, an INR of 2.5, and potassium of 2.7 mEq/L. Which result is critical and should be reported to the physician immediately?
- A. Hemoglobin of 11 g/dl
- B. Platelet count of 150,000
- C. INR of 2.5
- D. Potassium of 2.7 mEq/L
Correct answer: D
Rationale: The critical lab result that should be reported to the physician immediately in this case is the potassium level of 2.7 mEq/L. A potassium imbalance, especially in a patient with a history of dysrhythmia like atrial fibrillation, can be life-threatening and lead to cardiac distress. Low potassium levels (hypokalemia) can predispose the patient to dangerous arrhythmias, including worsening atrial fibrillation. Hemoglobin of 11 g/dl, platelet count of 150,000, and an INR of 2.5 are within acceptable ranges and not as immediately concerning as a low potassium level in this clinical context.
4. A client has no pulse or respirations. After calling for help, what should the nurse's first action be?
- A. Start a peripheral IV
- B. Initiate high-quality chest compressions
- C. Establish an airway
- D. Obtain the crash cart
Correct answer: B
Rationale: In a situation where a client has no pulse or respirations, the initial action recommended by the American Heart Association is to start high-quality chest compressions. This action helps maintain blood flow to vital organs such as the brain until normal heart rhythm is restored. Starting CPR with chest compressions before checking the airway and providing rescue breaths is crucial to improve outcomes. While establishing an airway and obtaining a crash cart are important steps in resuscitation, initiating chest compressions takes precedence to ensure oxygenated blood circulation. Starting with chest compressions applies to adults, children, and infants but not newborns.
5. A patient asks a nurse, "My doctor recommended I increase my intake of folic acid. What type of foods contain the highest concentration of folic acid?'
- A. Green vegetables and liver
- B. Yellow vegetables and red meat
- C. Carrots
- D. Milk
Correct answer: A
Rationale: Green vegetables and liver are rich sources of folic acid. Green vegetables like spinach, asparagus, and broccoli are high in folic acid content. Liver, especially from chicken or beef, is also a good source of folic acid. Yellow vegetables and red meat (choice B) do not contain as high a concentration of folic acid as green vegetables and liver. Carrots (choice C) are nutritious but do not have the highest concentration of folic acid. Milk (choice D) is not a significant source of folic acid compared to green vegetables and liver.
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