NSG533 / NSG 533 Exam 2: Advanced Pharmacology
Questions and Verified Answers | 100% Correct | Grade A
Wilkes University Passan School of Nursing | 2026/2027 Curriculum
Section 1: Pain Management and Analgesic Pharmacology (Q1-25)
Q1: A 68-year-old patient with osteoarthritis describes their knee pain as aching, throbbing, and localized to
the joint. The nurse practitioner recognizes this description as consistent with which type of pain?
A. Neuropathic pain
B. Nociceptive pain [CORRECT]
C. Central sensitization pain
D. Nociplastic pain
Correct Answer: B
Rationale: Nociceptive pain arises from tissue injury activating peripheral nociceptors via inflammatory mediators such as
prostaglandins and bradykinin. It is classically described as aching, throbbing, sharp, and localized, consistent with this patient's
presentation. Neuropathic pain (A) presents as burning, electric, or shooting. Central sensitization and nociplastic pain (C, D)
involve amplified CNS signaling without clear tissue damage, such as fibromyalgia (Lehne, 2026-2027).
Q2: Which of the following is the best first-line pharmacologic treatment for inflammatory pain mediated by
prostaglandins?
A. Acetaminophen 500 mg PO every 6 hours
B. Gabapentin 300 mg PO once daily
C. Ibuprofen 400 mg PO every 6 hours as needed [CORRECT]
D. Morphine 2 mg IV every 4 hours as needed
Correct Answer: C
Rationale: NSAIDs such as ibuprofen are the best first-line agents for inflammatory pain because they directly target
cyclooxygenase (COX) enzymes, reducing prostaglandin synthesis at the site of inflammation. Acetaminophen (A) works
centrally and does not reduce peripheral inflammation. Gabapentin (B) is used for neuropathic pain. Morphine (D) is reserved
for severe pain not responsive to non-opioid analgesics per the WHO analgesic ladder (Lehne, 2026-2027).
Q3: A nurse is educating a patient about acetaminophen. Which statement by the patient indicates a correct
understanding of this medication's mechanism of action?
A. "It reduces inflammation in my joints by blocking COX enzymes peripherally."
B. "It works in my brain to decrease pain perception and reduce fever." [CORRECT]
C. "It prevents platelet aggregation, so I should watch for bleeding."
D. "It will help reduce the swelling in my sprained ankle."
Correct Answer: B
Rationale: Acetaminophen exerts its effects centrally in the CNS by inhibiting central COX enzymes and decreasing
prostaglandin synthesis within the brain, which reduces pain perception and fever. It does NOT inhibit peripheral COX enzymes
(A, D), does NOT affect platelet function (C), and therefore does not reduce inflammation or cause gastric irritation (Lehne,
2026-2027).
,Q4: What is the maximum recommended daily dose of acetaminophen for an 82-year-old patient?
A. 4000 mg/day
B. 3500 mg/day
C. 3000 mg/day [CORRECT]
D. 2000 mg/day
Correct Answer: C
Rationale: The maximum recommended dose of acetaminophen in elderly patients is 3000 mg/day due to age-related decline in
hepatic metabolism and increased susceptibility to hepatotoxicity. The standard adult dose of 4000 mg/day (A) is too high for
geriatric patients. Hepatotoxicity risk increases with age, and the antidote for acetaminophen overdose is N-acetylcysteine
(NAC) (Lehne, 2026-2027).
Q5: A patient is prescribed morphine 10 mg IV for severe postoperative pain. Using equianalgesic dosing
principles, what is the approximate equivalent dose of hydromorphone IV?
A. 5 mg IV
B. 3 mg IV
C. 1.5 mg IV [CORRECT]
D. 0.5 mg IV
Correct Answer: C
Rationale: Equianalgesic dosing tables establish that morphine 10 mg IV is approximately equivalent to hydromorphone 1.5 mg
IV. Hydromorphone is approximately 5 times more potent than morphine on a milligram basis when administered
intravenously. Using 5 mg (A) or 3 mg (B) would result in significant overdosage. The 0.5 mg dose (D) would be subtherapeutic
(Lehne, 2026-2027).
Q6: Which of the following opioid analgesics is classified as a full mu-receptor agonist?
A. Buprenorphine
B. Naloxone
C. Hydromorphone [CORRECT]
D. Pentazocine
Correct Answer: C
Rationale: Hydromorphone is a full mu-opioid receptor agonist, along with morphine, oxycodone, and fentanyl. Buprenorphine
(A) is a partial mu-agonist. Naloxone (B) is a mu-receptor antagonist used as the antidote for opioid overdose. Pentazocine (D)
is a mixed agonist-antagonist. Full agonists produce the full spectrum of opioid effects including analgesia, respiratory
depression, sedation, and constipation (Lehne, 2026-2027).
Q7: A patient on long-term opioid therapy reports persistent constipation. The nurse practitioner explains
that this side effect occurs because opioid receptors in which anatomical location are activated?
A. The central nervous system
B. The gastrointestinal tract [CORRECT]
C. The joint synovium
D. The renal tubules
Correct Answer: B
Rationale: Opioid-induced constipation is caused by activation of mu-opioid receptors located in the gastrointestinal tract,
which reduces gastric motility, increases intestinal smooth muscle tone, and decreases intestinal fluid secretion. This is one of
the most common and persistent side effects of opioid therapy. While the CNS (A) mediates respiratory depression and
sedation, GI receptors are responsible for constipation. The synovium (C) and renal tubules (D) are not primary sites of opioid
receptor-mediated side effects (Lehne, 2026-2027).
, Q8: A patient arrives in the emergency department with pinpoint pupils, respiratory rate of 8 breaths/minute,
and decreased level of consciousness. Which medication should the nurse administer immediately?
A. Naloxone (Narcan) [CORRECT]
B. Flumazenil (Romazicon)
C. Naltrexone (Vivitrol)
D. Nalmefene (Revex)
Correct Answer: A
Rationale: The patient presents with classic signs of opioid overdose: pinpoint pupils, respiratory depression, and altered mental
status. Naloxone (Narcan) is the antidote of choice for acute opioid overdose due to its rapid onset of action when administered
IV. Flumazenil (B) reverses benzodiazepine overdose. Naltrexone (C) is used for opioid dependence management, not acute
overdose reversal. Nalmefene (D) has a longer duration but is less commonly used in emergency settings (Lehne, 2026-2027).
Q9: A nurse practitioner is initiating methadone therapy for chronic pain in a patient with cancer. Which of
the following is the most critical consideration regarding methadone pharmacokinetics?
A. It has a short half-life of 3-4 hours requiring frequent dosing
B. It has a long and variable half-life of 15-60 hours with risk of delayed accumulation [CORRECT]
C. It cannot be used in patients with cancer-related pain
D. It has no risk of QT prolongation
Correct Answer: B
Rationale: Methadone has a long and highly variable half-life ranging from 15 to 60 hours, which can lead to delayed drug
accumulation and toxicity with repeated dosing. It must be titrated slowly and patients monitored closely for sedation and QT
prolongation. Methadone is appropriate for cancer pain (C is incorrect). A short half-life (A) is incorrect as methadone is
known for prolonged duration. QT prolongation is a well-documented risk (D is incorrect) (Lehne, 2026-2027).
Q10: A 55-year-old patient with diabetic neuropathy reports burning, electric-shock pain in both feet. The
nurse practitioner understands that NSAIDs are generally ineffective for this condition because:
A. The pain is mediated by central prostaglandin synthesis
B. The pain results from nerve injury with abnormal sodium channel firing, not inflammation [CORRECT]
C. NSAIDs cannot cross the blood-nerve barrier
D. The patient has developed tolerance to NSAID therapy
Correct Answer: B
Rationale: Neuropathic pain results from nerve injury causing abnormal sodium channel firing and central sensitization, not
from inflammatory mediator release. Since NSAIDs work by reducing prostaglandin-mediated inflammation, they are generally
ineffective for neuropathic pain. First-line treatments include gabapentinoids, SNRIs (duloxetine), and TCAs (amitriptyline).
The blood-nerve barrier (C) is not the primary reason for NSAID ineffectiveness (Lehne, 2026-2027).
Q11: According to the WHO Analgesic Ladder, a patient with cancer-related pain that is not controlled with
codeine and acetaminophen should next receive:
A. Non-opioid analgesics only
B. A weak opioid combined with a non-opioid
C. A strong opioid such as morphine or hydromorphone [CORRECT]
D. Adjuvant analgesics only without opioids
Correct Answer: C
Rationale: The WHO Analgesic Ladder guides stepwise pain management. Step 1 uses non-opioids (acetaminophen, NSAIDs).
Step 2 adds weak opioids (codeine) for moderate pain. Step 3 introduces strong opioids such as morphine or hydromorphone
when pain is not controlled by Step 2. In cancer pain, patients often start at Step 3 because their pain is frequently severe at
presentation. Returning to Step 1 (A) or staying at Step 2 (B) would be inappropriate when pain is uncontrolled (Lehne,
2026-2027).
Questions and Verified Answers | 100% Correct | Grade A
Wilkes University Passan School of Nursing | 2026/2027 Curriculum
Section 1: Pain Management and Analgesic Pharmacology (Q1-25)
Q1: A 68-year-old patient with osteoarthritis describes their knee pain as aching, throbbing, and localized to
the joint. The nurse practitioner recognizes this description as consistent with which type of pain?
A. Neuropathic pain
B. Nociceptive pain [CORRECT]
C. Central sensitization pain
D. Nociplastic pain
Correct Answer: B
Rationale: Nociceptive pain arises from tissue injury activating peripheral nociceptors via inflammatory mediators such as
prostaglandins and bradykinin. It is classically described as aching, throbbing, sharp, and localized, consistent with this patient's
presentation. Neuropathic pain (A) presents as burning, electric, or shooting. Central sensitization and nociplastic pain (C, D)
involve amplified CNS signaling without clear tissue damage, such as fibromyalgia (Lehne, 2026-2027).
Q2: Which of the following is the best first-line pharmacologic treatment for inflammatory pain mediated by
prostaglandins?
A. Acetaminophen 500 mg PO every 6 hours
B. Gabapentin 300 mg PO once daily
C. Ibuprofen 400 mg PO every 6 hours as needed [CORRECT]
D. Morphine 2 mg IV every 4 hours as needed
Correct Answer: C
Rationale: NSAIDs such as ibuprofen are the best first-line agents for inflammatory pain because they directly target
cyclooxygenase (COX) enzymes, reducing prostaglandin synthesis at the site of inflammation. Acetaminophen (A) works
centrally and does not reduce peripheral inflammation. Gabapentin (B) is used for neuropathic pain. Morphine (D) is reserved
for severe pain not responsive to non-opioid analgesics per the WHO analgesic ladder (Lehne, 2026-2027).
Q3: A nurse is educating a patient about acetaminophen. Which statement by the patient indicates a correct
understanding of this medication's mechanism of action?
A. "It reduces inflammation in my joints by blocking COX enzymes peripherally."
B. "It works in my brain to decrease pain perception and reduce fever." [CORRECT]
C. "It prevents platelet aggregation, so I should watch for bleeding."
D. "It will help reduce the swelling in my sprained ankle."
Correct Answer: B
Rationale: Acetaminophen exerts its effects centrally in the CNS by inhibiting central COX enzymes and decreasing
prostaglandin synthesis within the brain, which reduces pain perception and fever. It does NOT inhibit peripheral COX enzymes
(A, D), does NOT affect platelet function (C), and therefore does not reduce inflammation or cause gastric irritation (Lehne,
2026-2027).
,Q4: What is the maximum recommended daily dose of acetaminophen for an 82-year-old patient?
A. 4000 mg/day
B. 3500 mg/day
C. 3000 mg/day [CORRECT]
D. 2000 mg/day
Correct Answer: C
Rationale: The maximum recommended dose of acetaminophen in elderly patients is 3000 mg/day due to age-related decline in
hepatic metabolism and increased susceptibility to hepatotoxicity. The standard adult dose of 4000 mg/day (A) is too high for
geriatric patients. Hepatotoxicity risk increases with age, and the antidote for acetaminophen overdose is N-acetylcysteine
(NAC) (Lehne, 2026-2027).
Q5: A patient is prescribed morphine 10 mg IV for severe postoperative pain. Using equianalgesic dosing
principles, what is the approximate equivalent dose of hydromorphone IV?
A. 5 mg IV
B. 3 mg IV
C. 1.5 mg IV [CORRECT]
D. 0.5 mg IV
Correct Answer: C
Rationale: Equianalgesic dosing tables establish that morphine 10 mg IV is approximately equivalent to hydromorphone 1.5 mg
IV. Hydromorphone is approximately 5 times more potent than morphine on a milligram basis when administered
intravenously. Using 5 mg (A) or 3 mg (B) would result in significant overdosage. The 0.5 mg dose (D) would be subtherapeutic
(Lehne, 2026-2027).
Q6: Which of the following opioid analgesics is classified as a full mu-receptor agonist?
A. Buprenorphine
B. Naloxone
C. Hydromorphone [CORRECT]
D. Pentazocine
Correct Answer: C
Rationale: Hydromorphone is a full mu-opioid receptor agonist, along with morphine, oxycodone, and fentanyl. Buprenorphine
(A) is a partial mu-agonist. Naloxone (B) is a mu-receptor antagonist used as the antidote for opioid overdose. Pentazocine (D)
is a mixed agonist-antagonist. Full agonists produce the full spectrum of opioid effects including analgesia, respiratory
depression, sedation, and constipation (Lehne, 2026-2027).
Q7: A patient on long-term opioid therapy reports persistent constipation. The nurse practitioner explains
that this side effect occurs because opioid receptors in which anatomical location are activated?
A. The central nervous system
B. The gastrointestinal tract [CORRECT]
C. The joint synovium
D. The renal tubules
Correct Answer: B
Rationale: Opioid-induced constipation is caused by activation of mu-opioid receptors located in the gastrointestinal tract,
which reduces gastric motility, increases intestinal smooth muscle tone, and decreases intestinal fluid secretion. This is one of
the most common and persistent side effects of opioid therapy. While the CNS (A) mediates respiratory depression and
sedation, GI receptors are responsible for constipation. The synovium (C) and renal tubules (D) are not primary sites of opioid
receptor-mediated side effects (Lehne, 2026-2027).
, Q8: A patient arrives in the emergency department with pinpoint pupils, respiratory rate of 8 breaths/minute,
and decreased level of consciousness. Which medication should the nurse administer immediately?
A. Naloxone (Narcan) [CORRECT]
B. Flumazenil (Romazicon)
C. Naltrexone (Vivitrol)
D. Nalmefene (Revex)
Correct Answer: A
Rationale: The patient presents with classic signs of opioid overdose: pinpoint pupils, respiratory depression, and altered mental
status. Naloxone (Narcan) is the antidote of choice for acute opioid overdose due to its rapid onset of action when administered
IV. Flumazenil (B) reverses benzodiazepine overdose. Naltrexone (C) is used for opioid dependence management, not acute
overdose reversal. Nalmefene (D) has a longer duration but is less commonly used in emergency settings (Lehne, 2026-2027).
Q9: A nurse practitioner is initiating methadone therapy for chronic pain in a patient with cancer. Which of
the following is the most critical consideration regarding methadone pharmacokinetics?
A. It has a short half-life of 3-4 hours requiring frequent dosing
B. It has a long and variable half-life of 15-60 hours with risk of delayed accumulation [CORRECT]
C. It cannot be used in patients with cancer-related pain
D. It has no risk of QT prolongation
Correct Answer: B
Rationale: Methadone has a long and highly variable half-life ranging from 15 to 60 hours, which can lead to delayed drug
accumulation and toxicity with repeated dosing. It must be titrated slowly and patients monitored closely for sedation and QT
prolongation. Methadone is appropriate for cancer pain (C is incorrect). A short half-life (A) is incorrect as methadone is
known for prolonged duration. QT prolongation is a well-documented risk (D is incorrect) (Lehne, 2026-2027).
Q10: A 55-year-old patient with diabetic neuropathy reports burning, electric-shock pain in both feet. The
nurse practitioner understands that NSAIDs are generally ineffective for this condition because:
A. The pain is mediated by central prostaglandin synthesis
B. The pain results from nerve injury with abnormal sodium channel firing, not inflammation [CORRECT]
C. NSAIDs cannot cross the blood-nerve barrier
D. The patient has developed tolerance to NSAID therapy
Correct Answer: B
Rationale: Neuropathic pain results from nerve injury causing abnormal sodium channel firing and central sensitization, not
from inflammatory mediator release. Since NSAIDs work by reducing prostaglandin-mediated inflammation, they are generally
ineffective for neuropathic pain. First-line treatments include gabapentinoids, SNRIs (duloxetine), and TCAs (amitriptyline).
The blood-nerve barrier (C) is not the primary reason for NSAID ineffectiveness (Lehne, 2026-2027).
Q11: According to the WHO Analgesic Ladder, a patient with cancer-related pain that is not controlled with
codeine and acetaminophen should next receive:
A. Non-opioid analgesics only
B. A weak opioid combined with a non-opioid
C. A strong opioid such as morphine or hydromorphone [CORRECT]
D. Adjuvant analgesics only without opioids
Correct Answer: C
Rationale: The WHO Analgesic Ladder guides stepwise pain management. Step 1 uses non-opioids (acetaminophen, NSAIDs).
Step 2 adds weak opioids (codeine) for moderate pain. Step 3 introduces strong opioids such as morphine or hydromorphone
when pain is not controlled by Step 2. In cancer pain, patients often start at Step 3 because their pain is frequently severe at
presentation. Returning to Step 1 (A) or staying at Step 2 (B) would be inappropriate when pain is uncontrolled (Lehne,
2026-2027).
