Pain Management Practice Questions

Q: A painful syndrome characterized by an increased reaction to a stimulus and an increased threshold, along with faulty identification and localization of the stimulus, is called as:

Hyperpathia. ### Explanation **Correct Answer: B. Hyperpathia** **Hyperpathia** is a clinical symptom of neuropathic pain characterized by an abnormally exaggerated response to a stimulus, especially a repetitive one. It is defined by three key features mentioned in the question: 1. **Increased Threshold:** The patient requires a stronger-than-normal stimulus to perceive any sensation. 2. **Increased Reaction:** Once the threshold is reached, the pain is perceived as explosive, agonizing, and out of proportion to the stimulus. 3. **Faulty Localization/Identification:** The patient often has difficulty pinpointing exactly where the stimulus is applied and may experience "summation" (pain increasing with repeated stimuli) or "after-sensations." --- ### Why the other options are incorrect: * **A. Causalgia:** Now termed **CRPS Type II**, this is a syndrome of sustained burning pain, allodynia, and hyperpathia following a **traumatic nerve injury**. While hyperpathia is a feature of causalgia, the question describes the definition of hyperpathia itself. * **C. Hyperesthesia:** This is a broad, "umbrella" term for increased sensitivity to stimulation, excluding the special senses. It includes both allodynia and hyperalgesia but does not specifically require an increased threshold or faulty localization. * **D. Phantom Pain:** This refers to painful sensations perceived in a limb or organ that has been **amputated** or is no longer physically present. --- ### NEET-PG High-Yield Pearls: * **Allodynia:** Pain due to a stimulus that does **not** normally provoke pain (e.g., light touch/clothing). * **Hyperalgesia:** An **increased response** to a stimulus that is normally painful. * **Dysesthesia:** An unpleasant, abnormal sensation, whether spontaneous or evoked. * **CRPS Type I (Reflex Sympathetic Dystrophy):** Occurs **without** a definable nerve injury. * **CRPS Type II (Causalgia):** Occurs **with** a specific nerve injury.

Q: Which of the following is the best indicator for pain assessment in a patient?

Tachycardia. **Explanation:** In the context of clinical anesthesiology and acute pain management, physiological responses are often more objective indicators of pain than subjective reports, especially in the perioperative or critical care setting. **Why Tachycardia is the Correct Answer:** Pain triggers a **sympathetic nervous system (SNS) surge**. This "fight or flight" response leads to the release of catecholamines (epinephrine and norepinephrine), which act on the beta-1 receptors of the heart to increase the heart rate (**Tachycardia**). In an anesthetized or non-communicative patient, tachycardia is considered one of the most reliable and earliest physiological markers of inadequate analgesia or a painful stimulus. **Analysis of Incorrect Options:** * **A. Asking the patient directly:** While the "Self-Report" (Visual Analog Scale) is the gold standard for *chronic* or *conscious* pain assessment, it is often unreliable in the acute perioperative period due to sedation, intubation, or cognitive impairment. In the context of this specific question (likely focusing on objective monitoring), physiological signs take precedence. * **C. Tachypnea:** While pain can increase the respiratory rate, it is less specific than tachycardia. Tachypnea can be caused by hypercapnia, hypoxia, or anxiety without significant pain. * **D. Bradypnea:** This is typically a sign of opioid overdose or deep anesthesia, rather than a response to pain. **High-Yield Clinical Pearls for NEET-PG:** * **The "Autonomic Triad" of Pain:** Tachycardia, Hypertension, and Diaphoresis (sweating). * **Gold Standard:** Patient self-report is the gold standard for *conscious* patients, but **Tachycardia** is the most sensitive *objective* sign. * **FLACC Scale:** Used for pediatric pain assessment (Face, Legs, Activity, Cry, Consolability). * **CPOT (Critical-Care Pain Observation Tool):** Used for assessing pain in intubated patients in the ICU.

Q: A two month old infant has undergone a major surgical procedure. Regarding postoperative pain relief which one of the following is recommended:

Intravenous narcotic infusion in lower dosage. ***Intravenous narcotic infusion in lower dosage*** - **Intravenous narcotic infusion** provides continuous pain relief and allows for careful titration of the dose, which is crucial in infants due to their developing metabolism and increased sensitivity to opioids. - Lower dosages are recommended because infants have a **reduced capacity for drug metabolism** and excretion, making them more susceptible to side effects like respiratory depression. *Spinal narcotics intrathecal route* - While effective, the **intrathecal route** carries risks such as neurotoxicity and spinal cord injury, which are particularly concerning in infants due to their small size and developing neural structures. - The **pharmacokinetics** of intrathecal narcotics can also be unpredictable in infants, leading to potential for delayed respiratory depression. *Only paracetamol suppository is adequate* - For **major surgical procedures**, a single agent like **paracetamol** is typically insufficient to manage severe postoperative pain effectively. - While paracetamol is a useful adjunct, it lacks the potent analgesic effects of opioids needed for comprehensive pain control after significant surgery. *No medication is needed as infant does not feel pain after surgery due to immaturity of nervous system* - This statement is **incorrect** and a dangerous misconception; infants, even neonates, have a **fully developed pain pathway**, perceive pain, and require appropriate analgesia. - The **pain response** in infants can be more exaggerated due to an immature inhibitory pain system, necessitating careful and effective pain management.

Q: Stellate ganglion block is useful in :

sudeck osteodystrophy. ***sudeck osteodystrophy*** - Stellate ganglion block is a common treatment for **Sudeck's atrophy**, also known as **Complex Regional Pain Syndrome (CRPS) Type I**. - It helps by interrupting the efferent sympathetic innervation to the upper extremity, thereby decreasing **vasoconstriction** and related pain. *osteoarthritis of first CMC joint* - This condition is primarily a **degenerative joint disease** and is typically managed with conservative measures, injections, or surgery. - A stellate ganglion block does not address the underlying **arthritic process** or provide long-term relief for this condition. *tenosynovitis* - Tenosynovitis is an inflammation of the **tendon sheath**, often caused by overuse or repetitive strain. - Treatment usually involves **rest**, **nsaids**, corticosteroid injections, or in severe cases, surgical release, not sympathetic blockade. *compound palmar ganglion* - A compound palmar ganglion is a **synovial cyst** formation, often associated with chronic tenosynovitis of the flexor tendons in the palm. - Management typically involves **aspiration** with steroid injection or **surgical excision**, as it is a mechanical issue, not a sympathetically mediated pain syndrome.

Q: Following are the features of persistent postoperative pain EXCEPT:

Pain present for at least 3 months. *Pain present for at least 3 months* - This statement is an **incorrect** feature of persistent postoperative pain. The diagnostic criteria for persistent postoperative pain typically define it as pain lasting for at least **2 months** after surgery. - The definition requires a minimum duration of 2 months, not 3 months, for the pain to be considered chronic or persistent. **Pain from pre-surgical problem is excluded** - Persistent postoperative pain refers to new or increased pain directly attributable to the surgical procedure itself, excluding the original pain condition. - This criterion ensures that the **chronic pain** being evaluated is a consequence of the surgery and not a continuation or recurrence of the initial problem. *Pain where other causes are excluded* - This is a key diagnostic criterion, as it ensures that the pain is not due to other independent medical conditions, infections, or surgical complications. - Excluding other causes helps to confirm that the persistent pain syndrome is directly related to the **surgical intervention**. *Pain that develops after surgical procedure* - The pain must have developed or significantly increased in intensity after the surgical procedure for it to be considered persistent postoperative pain. - This distinguishes it from pre-existing pain conditions that may be ongoing but are not directly linked to the **surgical trauma**.

Question 1

Which of the following is NOT a complication of epidural opioid administration?

Accepted Answer

Hemodynamic alteration

Answer

Pruritus

Answer

Respiratory depression

Answer

Less complete perineal relaxation

Question 2

Which drug is NOT used for analgesia in a patient with head injury?

Accepted Answer

Morphine

Answer

NSAIDs

Answer

Rofecoxib

Answer

Acetaminophen

Question 3

A patient in the ICU has been on invasive monitoring with intra-arterial cannulation through the right radial artery for the last 3 days. The patient later developed swelling and discoloration of the right hand. What is the next line of management?

Accepted Answer

Stellate ganglion block

Answer

Paravertebral block

Answer

Radial nerve block

Answer

Celiac plexus block

Question 4

A painful syndrome characterized by an increased reaction to a stimulus and an increased threshold, along with faulty identification and localization of the stimulus, is called as:

Accepted Answer

Hyperpathia

Answer

Causalgia

Answer

Hyperesthesia

Answer

Phantom pain

Question 5

What is the most common side effect of neuraxial opioids?

Accepted Answer

Pruritus

Answer

Nausea and vomiting

Answer

Urinary retention

Answer

Sedation

Question 6

The usefulness of the technique of transcutaneous electrical nerve stimulation is explained by which of the following?

Accepted Answer

Gate theory of pain

Answer

Allodynia

Answer

Central pain

Answer

Referred pain

Question 7

Which of the following is the best indicator for pain assessment in a patient?

Accepted Answer

Tachycardia

Answer

Asking the patient directly about their pain

Answer

Tachypnea

Answer

Bradypnea

Question 8

A two month old infant has undergone a major surgical procedure. Regarding postoperative pain relief which one of the following is recommended:

Accepted Answer

Intravenous narcotic infusion in lower dosage

Answer

Spinal narcotics intrathecal route

Answer

Only paracetamol suppository is adequate

Answer

No medication is needed as infant does not feel pain after surgery due to immaturity of nervous system

Question 9

Stellate ganglion block is useful in :

Accepted Answer

sudeck osteodystrophy

Answer

osteoarthritis of first CMC joint

Answer

tenosynovitis

Answer

compound palmar ganglion

Question 10

Following are the features of persistent postoperative pain EXCEPT:

Accepted Answer

Pain present for at least 3 months

Answer

Pain from pre-surgical problem is excluded

Answer

Pain where other causes are excluded

Answer

Pain that develops after surgical procedure

Pain Management — MCQs

Pain Management — MCQs

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