A nurse is providing preoperative teaching about patient-controlled analgesia (PCA) to a client. Which of the following statements should the nurse include in the teaching?
"You should push the button before physical activity to allow maximum pain control.”
"Continuous PCA infusion is designed to allow fluctuating plasma medication levels."
"You can adjust the amount of pain medication you receive by pushing on the keypad."
"The PCA will deliver a double dose of medication when you push the button twice."
The Correct Answer is A
A. "You should push the button before physical activity to allow maximum pain control.": Preemptively using the PCA before activities such as ambulation or physical therapy helps prevent breakthrough pain, allowing the client to perform activities more comfortably. This approach maximizes the effectiveness of pain control.
B. "Continuous PCA infusion is designed to allow fluctuating plasma medication levels.": Continuous PCA is designed to maintain consistent plasma levels of medication, not fluctuating levels. This ensures steady pain control rather than peaks and troughs.
C. "You can adjust the amount of pain medication you receive by pushing on the keypad.": Clients cannot override the preset dosage limits on a PCA pump. The device is programmed by the healthcare provider to deliver safe doses, so self-adjusting the amount is not permitted.
D. "The PCA will deliver a double dose of medication when you push the button twice.": PCA pumps have lockout intervals to prevent overdosing. Pressing the button multiple times during the lockout period will not deliver extra doses, so this statement is incorrect and could be dangerous if misunderstood.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D"]
Explanation
Rationale:
A. Cerebrospinal fluid electrophoresis: CSF electrophoresis is used to detect oligoclonal bands, which are indicative of multiple sclerosis (MS). The client’s presentation—fatigue, intermittent muscle weakness, tremors, double vision, and gait disturbances—suggests a demyelinating disorder, making this test appropriate.
B. Paracentesis: Paracentesis is used to evaluate ascites, which is not indicated in this client. There are no signs of abdominal fluid accumulation or liver disease that would warrant this procedure.
C. Bone marrow biopsy: Bone marrow biopsy is used for hematologic disorders such as anemia, leukemia, or other blood dyscrasias. The client’s symptoms do not indicate a primary bone marrow pathology.
D. MRI of brain: MRI is the diagnostic imaging of choice for detecting lesions in the central nervous system consistent with multiple sclerosis. It helps visualize demyelination and correlate it with clinical symptoms.
E. X-ray of abdomen: Abdominal X-ray is not indicated, as the client does not present with abdominal pain, obstruction, or gastrointestinal issues requiring imaging.
Correct Answer is C
Explanation
A. "This medication may cause me to experience a metallic taste in my mouth.": Lorazepam is a benzodiazepine and does not commonly cause a metallic taste. This statement reflects a misunderstanding of common adverse effects associated with the medication.
B. "This medication can cause my potassium level to decrease.": Lorazepam does not affect electrolyte levels such as potassium. Monitoring potassium is not typically necessary with this medication, so this statement is inaccurate.
C. "This medication can cause drowsiness.": Drowsiness is a common side effect of lorazepam due to its sedative properties. Understanding this effect helps the client anticipate and manage daytime sleepiness and avoid activities requiring alertness, demonstrating correct comprehension of teaching.
D. "This medication may cause me to lose weight.": Lorazepam is not associated with weight loss. Clients should be informed about the expected side effects, and weight changes are not typical with this medication, making this statement incorrect.
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