Nokea
A nurse contacts the healthcare provider after reviewing a client's laboratory results and noting a blood urea nitrogen (BUN) of 35 mg/dL and a creatinine of 1.0 mg/dL. For which action should the nurse recommend a prescription?
- A. Intravenous fluids
- B. Hemodialysis
- C. Fluid restriction
- D. Urine culture and sensitivity
Correct Answer: A
Rationale: The normal range for BUN is 10 to 20 mg/dL, and for creatinine, it is 0.6 to 1.2 mg/dL in males and 0.5 to 1.1 mg/dL in females. Creatinine is a more specific marker for kidney function compared to BUN. In this case, the client's creatinine level is within the normal range, indicating a non-renal cause for the elevated BUN. Dehydration is a common cause of increased BUN, so the appropriate action would be to recommend intravenous fluids to address the dehydration. Fluid restriction is not indicated as the client needs hydration. Hemodialysis is not appropriate for dehydration and is typically reserved for renal failure. The laboratory results do not suggest an infection, making a urine culture and sensitivity unnecessary in this scenario.
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A client tells the nurse that he has been experiencing frequent heartburn and has been 'living on antacids.' For which acid-base disturbance does the nurse recognize a risk?
- A. Metabolic acidosis
- B. Metabolic alkalosis
- C. Respiratory acidosis
- D. Respiratory alkalosis
Correct Answer: B
Rationale: The correct answer is B: Metabolic alkalosis. In this scenario, the client's frequent use of antacids containing alkaline components can lead to an excess of bicarbonate in the body, causing metabolic alkalosis. Oral antacids work by neutralizing stomach acid, potentially leading to an alkaline shift in the body's pH balance. Choices A, C, and D are incorrect. Metabolic acidosis is not typically associated with antacid use. Respiratory acidosis and respiratory alkalosis are related to respiratory system dysfunction rather than antacid ingestion.
A client who has just undergone bronchoscopy was returned to the nursing unit 1 hour ago. With which assessment finding is the nurse most concerned?
- A. Oxygen saturation of 97%
- B. Equal breath sounds in both lungs
- C. Absence of cough and gag reflexes
- D. Respiratory rate of 20 breaths/min
Correct Answer: C
Rationale: The correct answer is C. The absence of cough and gag reflexes is the most concerning finding for the nurse because it indicates a lack of protective airway reflexes, putting the client at risk of aspiration. Oxygen saturation of 97% is within the normal range and indicates adequate oxygenation. Equal breath sounds in both lungs are a positive finding, indicating no significant abnormalities. A respiratory rate of 20 breaths/min is also within the normal range and does not raise immediate concerns. Therefore, the absence of cough and gag reflexes poses the highest risk to the client's airway safety.
The nurse is caring for a patient who is receiving an intravenous antibiotic. The nurse notes that the provider has ordered serum drug peak and trough levels. The nurse understands that these tests are necessary for which type of drugs?
- A. Drugs with a broad spectrum
- B. Drugs with a narrow spectrum
- C. Drugs with a broad therapeutic index
- D. Drugs with a narrow therapeutic index
Correct Answer: D
Rationale: Medications with a narrow therapeutic index have a limited range between the therapeutic dose and a toxic dose. It is important to monitor these medications closely by evaluating regular serum peak and trough levels. Drugs with a narrow spectrum (Choice B) are antibiotics that target only a limited group of bacteria, not related to the need for peak and trough monitoring. Drugs with a broad spectrum (Choice A) cover a wide range of bacteria, but this characteristic does not determine the need for peak and trough monitoring. Drugs with a broad therapeutic index (Choice C) have a wide safety margin between therapeutic and toxic doses, so they typically do not require peak and trough level monitoring.
A client with autosomal dominant polycystic kidney disease (ADPKD) asks, "Will my children develop this disease?" How should the nurse respond?
- A. No genetic link is known, so your children are not at increased risk.
- B. Your sons will develop this disease because it has a sex-linked gene.
- C. Only if both you and your spouse are carriers of this disease.
- D. Each of your children has a 50% risk of having ADPKD.
Correct Answer: D
Rationale: Children whose parent has the autosomal dominant form of PKD have a 50% chance of inheriting the gene that causes the disease. ADPKD is transmitted as an autosomal dominant trait and therefore is not gender-specific. Both parents do not need to have this disorder. Choice A is incorrect because ADPKD has a known genetic link and a definitive mode of inheritance. Choice B is incorrect as ADPKD is not sex-linked but autosomal dominant. Choice C is incorrect because ADPKD follows an autosomal dominant inheritance pattern and does not require both parents to be carriers for the child to inherit the disease.
After an endotracheal tube is placed in a client who experienced sudden onset of respiratory distress, what should the nurse do?
- A. Secure the tube in place with tape
- B. Order a chest x-ray for the client
- C. Document the depth of tube insertion
- D. Auscultate both lungs for breath sounds
Correct Answer: D
Rationale: After endotracheal tube insertion, the nurse should auscultate both lungs for the presence of breath sounds. This step helps confirm proper tube placement and adequate ventilation. Auscultation of breath sounds is crucial to ensure that the tube is correctly positioned in the trachea and not in the esophagus. While securing the tube with tape is important, it is not the immediate priority after insertion. Ordering a chest x-ray may be necessary but is not the first action to take immediately post-intubation. Documenting the depth of tube insertion is important but ensuring proper ventilation through auscultation takes precedence.