Pain Management in Rehabilitation — MCQs
A patient after undergoing thoracotomy complains of severe pain. The BEST method of pain control in this patient would be:
An intubated patient with eye opening to pain with abnormal flexion. What is the GCS score?
All of the following can be routes of opioid administration except:
A 50-year-old male with diabetes presents with severe burning pain in his feet. Medications have been ineffective. What is the most appropriate next step in management?
Best therapy suited to teach daily life skill to a mentally challenged child:
Early recovery of Sudeck's atrophy can be best managed by which of the following interventions?
A patient presents with painful Myositis Ossificans around the elbow. What is the preferred treatment option in this case?
Which of the following is NOT a deep heat therapy?
Cock-up splint is used for which of the following conditions?
In a post-polio case, what is the likely result of an iliotibial tract contracture?
Pain Management in Rehabilitation Indian Medical PG Practice Questions and MCQs
Question 1: A patient after undergoing thoracotomy complains of severe pain. The BEST method of pain control in this patient would be:
- A. Oral morphine
- B. Diazepam rectal suppository
- C. Intercostal cryoanalgesia (Correct Answer)
- D. IV fentanyl
Explanation: ***Intercostal cryoanalgesia*** - **Intercostal cryoanalgesia** involves applying extreme cold to the intercostal nerves, leading to temporary nerve denervation and prolonged pain relief. This technique is particularly effective for **post-thoracotomy pain** due to its targeted action and reduced systemic side effects compared to opioids. - The goal is to provide **long-lasting pain control** specifically at the surgical site, allowing for better respiratory mechanics and early mobilization. *Oral morphine* - Oral morphine can provide systemic pain relief, but its onset of action is slower, and it carries the risk of significant **sedation** and **respiratory depression**, which are major concerns in a patient who has just undergone thoracotomy. - While effective, it may not provide optimal local pain control for incisional pain and often requires higher doses to achieve adequate relief, increasing the risk of adverse effects. *Diazepam rectal suppository* - Diazepam is a **benzodiazepine** primarily used for anxiety, muscle spasms, and seizures, not for severe acute surgical pain. It has **no significant analgesic properties**. - Its sedative effects would be contraindicated after thoracotomy due to the risk of respiratory depression and masking potential neurological changes. *IV fentanyl* - IV fentanyl is a potent opioid with a rapid onset and short duration of action, making it useful for breakthrough pain or during immediate post-operative periods. However, it requires **continuous monitoring** and frequent re-dosing. - Like other opioids, it carries risks of **respiratory depression**, nausea, and sedation, making it less ideal for sustained primary pain control immediately after thoracotomy where lung function is critical.
Question 2: An intubated patient with eye opening to pain with abnormal flexion. What is the GCS score?
- A. E2VTM3 (Correct Answer)
- B. E2V1M3
- C. E2VNTM3
- D. E2VTM4
Explanation: ***E2VTM3*** - **Eye opening to pain** corresponds to an E score of **2** [1]. - Since the patient is **intubated**, the verbal component is untestable, denoted as **VT**. - **Abnormal flexion** corresponds to an M score of **3**. *E2V1M3* - This option incorrectly assigns a verbal score of 1, implying **no verbal response**, which is inappropriate for an intubated patient. - For intubated patients, the verbal component is typically marked as untestable (VT) rather than assigned a numerical value for no response. *E2VNTM3* - While **E2** and **M3** are correct, the presence of **"NT"** for the verbal component is redundant with **"VT"** if only one is to be used. - The standard abbreviation for an untestable verbal component in an intubated patient is **VT**. *E2VTM4* - This option incorrectly assigns a motor score of **4** for **withdrawal from pain**, whereas the description states **abnormal flexion** [2]. - **Abnormal flexion (decorticate)** is distinct from withdrawal and corresponds to an M score of **3** [2].
Question 3: All of the following can be routes of opioid administration except:
- A. Intramuscular
- B. Oral
- C. Intravenous
- D. Intradermal (Correct Answer)
Explanation: ***Intradermal*** - **Intradermal administration** involves injecting medication into the dermis, the layer between the epidermis and the subcutaneous tissue, and is typically used for **allergy testing** or **tuberculosis screening (PPD test)**, not for systemic opioid delivery. - The **slow absorption rate** and **small volume capacity** of the dermal layer make it unsuitable for achieving therapeutic opioid concentrations quickly or effectively. *Intramuscular* - **Intramuscular (IM)** injection allows for **rapid absorption** of opioids into the bloodstream from the muscle tissue. - It is a common route for administering **analgesics**, including opioids, especially in settings where oral administration is not feasible or faster onset is desired. *Oral* - **Oral (PO) administration** is a common and convenient route for many opioid formulations, allowing for **systemic absorption** through the gastrointestinal tract. - Opioids like **oxycodone**, **hydrocodone**, and **morphine** are often prescribed as oral tablets or solutions for pain management. *Intravenous* - **Intravenous (IV) administration** provides the **fastest onset of action** for opioids, as the medication is directly introduced into the bloodstream. - This route is critically important in **acute pain management**, surgical settings, and emergency situations where immediate pain relief is necessary.
Question 4: A 50-year-old male with diabetes presents with severe burning pain in his feet. Medications have been ineffective. What is the most appropriate next step in management?
- A. Prescribe opioid analgesics
- B. Prescribe corticosteroids
- C. Trial of pregabalin (Correct Answer)
- D. Refer for physical therapy
Explanation: ***Trial of pregabalin*** - **Pregabalin**, a gamma-aminobutyric acid (GABA) analog, is a first-line treatment for **diabetic neuropathic pain** due to its efficacy in modulating neurotransmitter release [2]. - Given that previous medications have been ineffective for **severe burning pain** [1] in diabetic neuropathy, exploring other pharmacological options like pregabalin is the most appropriate next step [2]. *Prescribe opioid analgesics* - **Opioid analgesics** are generally reserved for neuropathic pain that is refractory to other treatments due to concerns about tolerance, dependence, and significant side effects [1]. - They are not considered a first-line or early second-line treatment for **diabetic neuropathy**, especially when other agents like pregabalin have not yet been trialed [2]. *Prescribe corticosteroids* - **Corticosteroids** are potent anti-inflammatory agents but are not indicated for the chronic management of **diabetic neuropathic pain**, which is primarily a nerve damage issue rather than an inflammatory one. - Long-term steroid use carries significant risks and would likely worsen diabetes control, making it an inappropriate choice. *Refer for physical therapy* - **Physical therapy** can be beneficial for managing some aspects of diabetic neuropathy, such as improving balance or muscle strength, but it is unlikely to directly alleviate severe burning neuropathic pain as a primary monotherapy. - While a valuable adjunctive treatment, it is not the most appropriate initial next step for directly addressing severe pain symptoms when pharmacological options are still available [2].
Question 5: Best therapy suited to teach daily life skill to a mentally challenged child:
- A. Contingency management (Correct Answer)
- B. Cognitive reconstruction
- C. Self instruction
- D. CBT (Cognitive behavior therapy)
Explanation: ***Contingency management*** - This therapy involves consistently **rewarding desired behaviors** and withholding rewards for undesirable ones, which is highly effective for teaching new skills to individuals with intellectual disabilities. - It uses principles of **operant conditioning** to shape behavior through positive reinforcement, making it suitable for acquiring daily living skills. *Cognitive reconstruction* - This technique focuses on identifying and changing **maladaptive thought patterns**, which typically requires a higher level of cognitive function. - It is generally not the primary or most effective approach for teaching concrete daily life skills to individuals with significant **cognitive limitations**. *Self instruction* - This involves teaching individuals to guide their own behavior using **internal verbal cues** or self-talk. - While beneficial for some, it often requires a certain degree of **abstract thinking** and memory, making it less suitable as a standalone method for those with profound cognitive challenges in acquiring basic skills. *CBT (Cognitive behavior therapy)* - CBT integrates cognitive and behavioral strategies to address emotional and behavioral problems by modifying **thoughts, feelings, and behaviors**. - While beneficial for a range of psychological issues, its emphasis on **cognitive restructuring** makes it less directly applicable or the most effective first-line therapy for teaching concrete, functional daily living skills to mentally challenged children.
Question 6: Early recovery of Sudeck's atrophy can be best managed by which of the following interventions?
- A. Intraarterial injection of articaine.
- B. Intraarterial injection of novacaine. (Correct Answer)
- C. Both intraarterial injection of articaine and novacaine.
- D. Neither intraarterial injection of articaine nor novacaine.
Explanation: **Explanation:** **Sudeck’s Atrophy**, also known as Complex Regional Pain Syndrome (CRPS) Type 1, is a condition characterized by post-traumatic pain, swelling, and vasomotor instability, typically occurring after fractures (e.g., Colles' fracture). The underlying pathophysiology involves an **overactive sympathetic nervous system** leading to persistent vasospasm and localized ischemia. **Why Option B is Correct:** The management of early-stage Sudeck’s atrophy focuses on breaking the "pain-vasospasm-pain" cycle. **Intra-arterial injection of Novocaine (Procaine)** acts as a powerful vasodilator and local anesthetic. By injecting it into the main artery of the affected limb (e.g., brachial artery), it provides immediate sympathetic blockade, improves peripheral blood flow, and reduces the intense burning pain, facilitating early mobilization. **Why Other Options are Incorrect:** * **Option A:** Articaine is a local anesthetic primarily used in dentistry. While it has a rapid onset, it is not the traditional or clinically documented agent of choice for intra-arterial sympathetic blockade in CRPS management compared to Novocaine. * **Option C & D:** Since Novocaine is the specific established treatment for this intervention in classical orthopedic teaching, these options are incorrect. **Clinical Pearls for NEET-PG:** * **Radiological Hallmark:** "Spotty" or patchy osteoporosis (sudden demineralization) seen on X-ray. * **Clinical Features:** The "4 Ds" – Discoloration, Dependency edema, Degenerative changes (stiffness), and Desensitization (hyperalgesia). * **Gold Standard Diagnosis:** Triple-phase bone scan (shows increased uptake). * **Other Treatments:** Physiotherapy (most important), Vitamin C (prophylaxis), and Guanethidine blocks.
Question 7: A patient presents with painful Myositis Ossificans around the elbow. What is the preferred treatment option in this case?
- A. Active mobilization
- B. Passive mobilization
- C. Infra-Red Therapy
- D. Immobilization (Correct Answer)
Explanation: **Explanation:** **Myositis Ossificans (MO)** is a condition characterized by heterotopic ossification (bone formation) within soft tissues, most commonly occurring after trauma or aggressive manipulation around the elbow joint. **1. Why Immobilization is the Correct Answer:** In the **acute and painful phase** of Myositis Ossificans, the primary goal is to prevent further irritation and minimize the inflammatory response that triggers bone formation. **Rest and Immobilization** (usually in a functional position) are mandatory to allow the "bone storm" to subside. Any movement during this stage can exacerbate the injury, increase bleeding, and stimulate further osteoblastic activity, worsening the condition. **2. Why the Other Options are Incorrect:** * **Passive Mobilization (B):** This is the most common cause of MO. Forceful stretching or passive manipulation of a stiff joint triggers a periosteal reaction and hematoma formation, leading to ossification. It is strictly contraindicated. * **Active Mobilization (A):** While active movement is generally safer than passive, it is still avoided in the **painful/acute stage** as it can aggravate the inflammatory process. Active exercises are only initiated once the pain subsides and the ossification has matured. * **Infra-Red Therapy (C):** Heat modalities (like IRT or Short Wave Diathermy) increase local blood flow and metabolic activity, which can potentially accelerate the ossification process in the early stages. **3. NEET-PG Clinical Pearls:** * **Common Site:** Brachialis muscle (following elbow dislocation or supracondylar fracture). * **Radiological Sign:** "Zonal phenomenon" (mature bone at the periphery, immature in the center), which distinguishes it from Osteosarcoma. * **Management Rule:** "Never massage, never stretch" a post-traumatic elbow. * **Surgery:** Only indicated after the bone has fully matured (usually 6–12 months), evidenced by a well-defined cortex on X-ray and a cold bone scan. Early surgery leads to high recurrence.
Question 8: Which of the following is NOT a deep heat therapy?
- A. Short wave diathermy
- B. Ultrasound therapy
- C. Infrared therapy (Correct Answer)
- D. Microwave therapy
Explanation: In physical medicine, heat therapy (thermotherapy) is classified based on the depth of penetration into the tissues: **Superficial** and **Deep**. ### 1. Why Infrared Therapy is the Correct Answer **Infrared therapy (IRR)** is a form of **superficial heat therapy**. It utilizes electromagnetic radiation that is absorbed primarily by the epidermis and superficial dermis. The depth of penetration is typically less than **1 cm** (usually 1–3 mm). Since it does not reach deep-seated structures like muscles, tendons, or joints, it is not classified as deep heat. Other examples of superficial heat include Paraffin Wax Bath (PWB), Hydrocollator (hot) packs, and Whirlpool baths. ### 2. Why the Other Options are Incorrect The other three options are examples of **Deep Heat Therapy (Diathermy)**, which can increase the temperature of tissues at depths of **3–5 cm** or more: * **Short Wave Diathermy (SWD):** Uses high-frequency electromagnetic currents (27.12 MHz). It heats tissues with high water content (muscles) via dipole rotation and molecular friction. * **Microwave Diathermy (MWD):** Uses higher frequency electromagnetic waves (2450 MHz). It is effective for heating tissues with high vascularity but has less penetration than SWD. * **Ultrasound Therapy (US):** Uses high-frequency **acoustic (sound) waves** rather than electromagnetic waves. It is the deepest heating modality and is excellent for localized heating of collagen-rich structures like ligaments and joint capsules. ### 3. NEET-PG High-Yield Pearls * **Deepest Heat Modality:** Ultrasound therapy (reaches up to 5 cm). * **Contraindication:** Never use diathermy (SWD/MWD) in patients with **metallic implants** or **pacemakers**, as it can cause severe internal burns or device malfunction. * **Mechanism of IRR:** Heat transfer occurs via **Radiation**. * **Mechanism of Hot Packs:** Heat transfer occurs via **Conduction**.
Question 9: Cock-up splint is used for which of the following conditions?
- A. Axillary nerve injury
- B. Ulnar nerve injury
- C. Median nerve injury
- D. Radial nerve injury (Correct Answer)
Explanation: **Explanation:** The **Cock-up splint** is the classic orthotic management for **Radial nerve injury**. **1. Why Radial Nerve Injury is Correct:** The radial nerve supplies the extensors of the wrist and fingers. Injury to this nerve (commonly due to humerus fractures or "Saturday Night Palsy") leads to **Wrist Drop**. In this condition, the patient cannot actively extend the wrist, leading to functional impairment as the hand remains in a flexed position. The Cock-up splint maintains the wrist in **20°–30° of extension**. This prevents stretching of the paralyzed extensor muscles, prevents contractures of the flexor tendons, and places the hand in a functional position for gripping. **2. Why Other Options are Incorrect:** * **Axillary nerve injury:** Results in deltoid paralysis and loss of shoulder abduction. It requires an **Aeroplane splint** (shoulder abduction splint). * **Ulnar nerve injury:** Results in "Claw Hand." The specific orthosis used is a **Knuckle Bender splint** (to prevent hyperextension at the MCP joints). * **Median nerve injury:** Results in "Ape Thumb" deformity. It requires an **Opponens splint** to maintain the thumb in a position of function. **Clinical Pearls for NEET-PG:** * **Dynamic Cock-up Splint:** Used if there is also a loss of finger extension; it includes outriggers with rubber bands to assist finger extension. * **Functional Position of Wrist:** 20°–30° extension with slight ulnar deviation. * **Radial Nerve at Elbow:** Injury to the Posterior Interosseous Nerve (PIN) causes finger drop but often spares the wrist (due to ECRL being supplied higher up), yet a splint may still be used for support.
Question 10: In a post-polio case, what is the likely result of an iliotibial tract contracture?
- A. Extension at the hip and knee
- B. Extension at the hip
- C. Flexion at the hip and the knee (Correct Answer)
- D. Extension at the knee
Explanation: **Explanation:** The **Iliotibial Tract (ITT)** is a thickened lateral portion of the fascia lata. Its anatomical orientation is crucial: it originates from the iliac crest, passes over the greater trochanter, and inserts into **Gerdy’s tubercle** on the lateral condyle of the tibia. Because the ITT lies **anterior to the axis of the hip** and **posterior to the axis of the knee** (when the knee is flexed beyond 30 degrees), a contracture leads to a characteristic deformity pattern. In post-polio residual paralysis (PPRP), the ITT often becomes tight due to muscle imbalances, resulting in: 1. **Flexion, Abduction, and External Rotation at the hip.** 2. **Flexion and Valgus deformity at the knee.** **Analysis of Options:** * **Option C (Correct):** The ITT acts as a tether. When contracted, it pulls the hip into flexion and abduction. At the knee, the insertion point pulls the joint into flexion and lateral rotation (valgus). * **Options A, B, and D (Incorrect):** These suggest extension. The ITT contracture is a classic cause of **flexion deformities**. It cannot cause extension because its shortened state prevents the joints from reaching a neutral or extended position. **Clinical Pearls for NEET-PG:** * **Ober’s Test:** Used to clinically diagnose a tight Iliotibial band/tract. * **Yount’s Fasciotomy:** A surgical procedure involving the excision of a segment of the ITT and lateral intermuscular septum to release these contractures. * **Deformity Triad:** In PPRP, ITT contracture is often associated with pelvic tilt and scoliosis due to the "short leg" effect and hip abduction.
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