ACHPN - Advanced Certified Hospice and Palliative Nurse Examination Advanced Pain Management Principles Questions and Answers — Questions and Answers
Question 1: A 72-year-old male with metastatic prostate cancer to the bone is being transitioned from oral morphine SR 60 mg every 12 hours to a continuous subcutaneous infusion of hydromorphone due to dysphagia. His pain is currently well-controlled. Using a standard equianalgesic table (e.g., 30mg oral morphine = 10mg parenteral morphine; 10mg parenteral morphine = 1.5mg parenteral hydromorphone), what is the most appropriate starting dose for the hydromorphone infusion over 24 hours?
- 24 mg/24 hours
- 12 mg/24 hours
- 6 mg/24 hours (Correct answer)
- 18 mg/24 hours
Correct answer: 6 mg/24 hours
First, calculate the total daily oral morphine dose: 60 mg x 2 = 120 mg. Second, convert the oral morphine to parenteral morphine equivalent: 120 mg oral morphine / 3 = 40 mg parenteral morphine. Third, convert parenteral morphine to parenteral hydromorphone: 40 mg parenteral morphine / (10/1.5) = 6 mg parenteral hydromorphone. When rotating opioids in a patient with well-controlled pain, it is common practice to start with the calculated equianalgesic dose, but some guidelines recommend a 25-50% reduction to account for incomplete cross-tolerance. However, without signs of toxicity, the direct conversion is the initial step. Among the choices, 6 mg is the correctly calculated equianalgesic dose.
Question 2: A patient with advanced pancreatic cancer is experiencing severe, burning, and shooting pain in his lower back and legs, which is poorly responsive to high doses of opioids. Which of the following adjuvant medications would be most appropriate to add to his regimen to specifically target this type of pain?
- Ibuprofen
- Ondansetron
- Dexamethasone
- Gabapentin (Correct answer)
Correct answer: Gabapentin
The patient's pain description of 'burning' and 'shooting' is characteristic of neuropathic pain. Gabapentin is an anticonvulsant that is a first-line treatment for neuropathic pain. Ibuprofen is a non-steroidal anti-inflammatory drug (NSAID) more effective for somatic pain. Ondansetron is an antiemetic. Dexamethasone, a corticosteroid, can be used as an adjuvant for various pain types, including neuropathic pain, but gabapentin is more specific and a primary choice.
Question 3: An ACHPN is caring for a patient receiving high doses of parenteral hydromorphone who develops new-onset myoclonus, allodynia, and delirium. These symptoms worsen despite an increase in the opioid dose for what was perceived as worsening pain. Which of the following is the most likely diagnosis?
- Opioid tolerance
- Disease progression
- Opioid-induced neurotoxicity (OIN) (Correct answer)
- Serotonin syndrome
Correct answer: Opioid-induced neurotoxicity (OIN)
The clinical presentation of myoclonus, allodynia (pain from a non-painful stimulus), and delirium, particularly when symptoms paradoxically worsen with opioid escalation, is the classic triad for Opioid-Induced Neurotoxicity (OIN). OIN is caused by the accumulation of opioid metabolites. Opioid tolerance would present as a need for higher doses for the same pain relief, not new neurologic symptoms. While disease progression could cause new symptoms, the constellation is highly specific to OIN. Serotonin syndrome has different features, often including hyperreflexia and clonus, and is related to serotonergic agents.
Question 4: Which of the following interventional techniques is most appropriate for managing intractable abdominal pain secondary to a celiac plexus tumor in a patient with a life-limiting illness?
- Vertebroplasty
- Spinal cord stimulator
- Celiac plexus block (Correct answer)
- Trigger point injections
Correct answer: Celiac plexus block
A celiac plexus block is an injection procedure used to block the nerves that serve the abdominal organs, making it a targeted and effective treatment for pain originating from conditions like pancreatic cancer or other abdominal malignancies involving the celiac plexus. Vertebroplasty is for vertebral compression fractures. A spinal cord stimulator is typically used for chronic neuropathic pain of the trunk or limbs. Trigger point injections are for myofascial pain.
Question 5: When assessing pain in a non-verbal patient with advanced dementia, the ACHPN observes intermittent grimacing, tense body posture, and increased restlessness, especially during repositioning. Which pain assessment tool is specifically designed for this patient population?
- Numeric Rating Scale (NRS)
- Pain Assessment in Advanced Dementia (PAINAD) scale (Correct answer)
- Critical-Care Pain Observation Tool (CPOT)
- McGill Pain Questionnaire (MPQ)
Correct answer: Pain Assessment in Advanced Dementia (PAINAD) scale
The Pain Assessment in Advanced Dementia (PAINAD) scale is a validated tool used to assess pain in non-verbal individuals with advanced cognitive impairment. It evaluates five domains: breathing, negative vocalization, facial expression, body language, and consolability. The NRS and MPQ require verbal self-report. The CPOT is designed for critically ill, often ventilated, patients and while it assesses behaviors, the PAINAD is more specific to the advanced dementia population in various settings.
Question 6: A core principle of advanced pain management in hospice and palliative care is the concept of 'total pain'. Which of the following best describes this concept?
- The cumulative effect of multiple physical pain sites on a patient's overall discomfort.
- The sum of the patient's physical pain score and their anxiety score.
- The use of multiple analgesic classes (multimodal analgesia) to treat pain.
- The understanding that pain is a multidimensional experience encompassing physical, psychological, social, and spiritual suffering. (Correct answer)
Correct answer: The understanding that pain is a multidimensional experience encompassing physical, psychological, social, and spiritual suffering.
The concept of 'total pain', first introduced by Dame Cicely Saunders, is a cornerstone of palliative care. It recognizes that a patient's experience of pain is not just a physical sensation but is influenced by and inseparable from their psychological, social, and spiritual distress. Effective pain management requires assessing and addressing all these dimensions. The other options describe aspects of pain management but do not fully capture the holistic nature of 'total pain'.
ACHPN - Advanced Certified Hospice and Palliative Nurse Examination Advanced Pain Management Principles Questions and Answers
A 72-year-old male with metastatic prostate cancer to the bone is being transitioned from oral morphine SR 60 mg every 12 hours to a continuous subcutaneous infusion of hydromorphone due to dysphagia.
His pain is currently well-controlled.
Using a standard equianalgesic table (e.g., 30mg oral morphine = 10mg parenteral morphine; 10mg parenteral morphine = 1.5mg parenteral hydromorphone), what is the most appropriate starting dose for the hydromorphone infusion over 24 hours?