NCLEX-RN
Exam Cram NCLEX RN Practice Questions
1. 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.
2. A patient is getting discharged from a skilled nursing facility (SNF). The patient has a history of severe COPD and PVD. The patient is primarily concerned about his ability to breathe easily. Which of the following would be the best instruction for this patient?
- A. Deep breathing techniques to increase oxygen levels.
- B. Cough regularly and deeply to clear airway passages.
- C. Cough following bronchodilator utilization.
- D. Decrease CO2 levels by increasing oxygen intake during meals.
Correct answer: C
Rationale: The correct answer is to instruct the patient to cough following bronchodilator utilization. In COPD and PVD patients, bronchodilators help to open up the airways, making coughing more effective in clearing secretions from the lungs. This instruction can aid in improving the patient's ability to breathe by enhancing airway clearance. Deep breathing techniques (Choice A) may help increase oxygen levels but may not directly address the patient's immediate concern of breathing difficulty. Coughing regularly and deeply (Choice B) can be beneficial, but the timing following bronchodilator use is more crucial to maximize its effectiveness. Decreasing CO2 levels by increasing oxygen intake during meals (Choice D) does not directly address the patient's concern about breathing ease or the role of bronchodilators in improving cough effectiveness.
3. A 34-year-old female has recently been diagnosed with an autoimmune disease. She has also recently discovered that she is pregnant. Which of the following is the only immunoglobulin that will provide protection to the fetus in the womb?
- A. IgA
- B. IgD
- C. IgE
- D. IgG
Correct answer: D
Rationale: IgG is the only immunoglobulin that can cross the placental barrier, providing passive immunity to the fetus. About 70-80% of the immunoglobulins in the blood are IgG. Specific IgG antibodies are generated after an initial exposure to an antigen, offering long-term protection against microorganisms. IgG antibodies are critical for protecting the fetus as they can be rapidly reproduced upon re-exposure to the same antigen. IgA is primarily found in mucosal areas, IgD is involved in antigen recognition, and IgE is associated with allergic reactions, but they do not provide the same level of protection to the fetus as IgG.
4. The nurse is preparing to administer an enteral feeding to a client via a nasogastric feeding tube. The most important action of the nurse is:
- A. Verify correct placement of the tube
- B. Check that the feeding solution matches the dietary order
- C. Aspirate gastric contents to determine the amount of the last feeding remaining in the stomach
- D. Ensure that the feeding solution is at room temperature
Correct answer: A
Rationale: The most crucial action for the nurse when preparing to administer enteral feeding via a nasogastric tube is to verify the correct placement of the tube. Proper placement of the tube is vital to prevent complications such as aspiration into the lungs. The definitive methods to confirm the position of the nasogastric tube include visualization through an x-ray or aspirating stomach contents and checking their pH (usually pH 1 to 5). Aspirated stomach content can also be tested for bilirubin to confirm placement in the stomach. Choice B, checking that the feeding solution matches the dietary order, is important for ensuring the correct nutrition is provided but is not as critical as verifying tube placement to prevent potential harm. Choice C, aspirating gastric contents to determine the amount of the last feeding remaining in the stomach, is a common nursing practice but is not the most crucial action when compared to ensuring correct tube placement. Choice D, ensuring that the feeding solution is at room temperature, is relevant for patient comfort and preventing thermal injury but is not as essential as confirming correct tube placement to prevent serious complications.
5. The health care provider writes an order for bacteriologic testing for a patient who has a positive tuberculosis skin test. Which action should the nurse take?
- A. Teach about the reason for the blood tests.
- B. Schedule an appointment for a chest x-ray.
- C. Teach about the need to get sputum specimens for 2 to 3 consecutive days.
- D. Instruct the patient to expectorate three specimens as soon as possible.
Correct answer: C
Rationale: The correct action for the nurse to take is to teach the patient about the need to collect sputum specimens for 2 to 3 consecutive days for bacteriologic testing for M. tuberculosis. It is important to obtain these specimens on different days rather than all at once. Blood tests are not used for tuberculosis testing, so teaching about blood tests is not relevant. While a chest x-ray is important in tuberculosis diagnosis, it is not a bacteriologic test. The appearance on a chest x-ray alone is not sufficient to diagnose TB as other diseases can have similar findings.
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