NCLEX-PN
NCLEX-PN Quizlet 2023
1. A patient asks a nurse the following question: Exposure to TB can be best identified with which of the following procedures?
- A. Chest x-ray
- B. Mantoux test
- C. Breath sounds examination
- D. Sputum culture for Mycobacterium tuberculosis
Correct answer: B
Rationale: The Mantoux test, also known as the tuberculin skin test, is the most appropriate and accurate test to identify exposure to TB. This test involves injecting a small amount of PPD tuberculin under the top layer of the skin, and a positive reaction indicates exposure to the TB bacteria. Choice A, a chest x-ray, is useful for detecting active TB disease but not exposure. Choice C, a breath sounds examination, is not a specific test for TB exposure. Choice D, a sputum culture for Mycobacterium tuberculosis, is used to diagnose active TB infection rather than exposure.
2. A 21-year-old college student has just learned that she contracted genital herpes from her sexual partner. After completing the initial history and assessment, the nurse has data concerning areas pertinent to the disease. The data is likely to include all but which of the following?
- A. voiding patterns
- B. characteristics of lesions
- C. vaginal discharge
- D. prior history of varicella
Correct answer: D
Rationale: The correct answer is 'prior history of varicella.' When assessing a client with genital herpes, it is important to gather data on voiding patterns, characteristics of lesions, and vaginal discharge as these are pertinent to the disease. However, the prior history of varicella is not directly related to the current diagnosis of genital herpes. Varicella, which refers to chickenpox, is caused by the varicella-zoster virus, a different virus from the herpes simplex virus causing genital herpes.
3. A client is admitted to the critical care unit after suffering from a massive cerebral vascular accident. The client's vital signs include BP 160/110, HR 42, Cheyne-Stokes respirations. Based on this assessment, the nurse anticipates the client to be in which acid-base balance?
- A. Respiratory acidosis
- B. Respiratory alkalosis
- C. Metabolic acidosis
- D. Metabolic alkalosis
Correct answer: A
Rationale: In this scenario, the client is exhibiting Cheyne-Stokes respirations, which are characterized by periods of deep breathing alternating with apnea. This pattern indicates respiratory insufficiency, resulting in an accumulation of carbon dioxide in the blood. The elevated BP and slow heart rate further support the respiratory insufficiency, leading to respiratory acidosis. Therefore, the correct answer is Respiratory acidosis. Choices B, C, and D are incorrect. Respiratory alkalosis is characterized by decreased carbon dioxide levels in the blood, which is not indicated by the client's presentation. Metabolic acidosis results from conditions such as renal failure or diabetic ketoacidosis and is not the primary imbalance in this case. Metabolic alkalosis is characterized by elevated pH and bicarbonate levels, which are not present in the client's vital signs.
4. After a left heart catheterization (LHC), a client complains of severe foot pain on the side of the femoral stick. The nurse notes pulselessness, pallor, and a cold extremity. What should the nurse's next action be?
- A. Administer an anticoagulant.
- B. Warm the room and re-assess.
- C. Increase IV fluids.
- D. Notify the physician stat.
Correct answer: D
Rationale: The correct action for the nurse to take next is to notify the physician immediately (stat). The client's symptoms of foot pain, pulselessness, pallor, and cold extremity suggest a potential vascular complication, such as arterial occlusion. Prompt notification of the physician is crucial as this condition requires urgent intervention to restore blood flow and prevent tissue damage. Administering an anticoagulant (Choice A) without physician evaluation could be harmful as the underlying cause needs to be determined first. Warming the room and re-assessing (Choice B) may delay necessary treatment. Increasing IV fluids (Choice C) is unlikely to address the urgent vascular issue indicated by the symptoms described.
5. A client was involved in a motor vehicle accident in which the seat belt was not worn. The client is exhibiting crepitus, decreased breath sounds on the left, complains of shortness of breath, and has a respiratory rate of 34/min. Which of the following assessment findings should concern the nurse the most?
- A. temperature of 102�F and a productive cough
- B. arterial blood gases (ABGs) with a PaO2 of 92 mmHg and PaCO2 of 40 mmHg
- C. trachea deviating to the right
- D. barrel-chested appearance
Correct answer: C
Rationale: The correct answer is 'trachea deviating to the right.' A mediastinal shift is indicative of a tension pneumothorax, which is a dangerous complication seen in trauma patients with symptoms like crepitus, decreased breath sounds, shortness of breath, and tachypnea. Assessing for acute traumatic injuries is crucial in this context. Choice A, a temperature of 102�F and a productive cough, is common in pneumonia cases and not as concerning as a mediastinal shift. Choice B, ABGs with a PaO2 of 92 mmHg and PaCO2 of 40 mmHg, shows values within normal limits and does not suggest a tension pneumothorax. Choice D, a barrel-chested appearance, is typical of COPD and not directly related to the acute traumatic injury described. A tension pneumothorax is a medical emergency where air cannot escape the pleural cavity, leading to lung collapse and a mediastinal shift to the unaffected side with a downward displacement of the diaphragm.
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