Trauma Practice Questions

Q: A 30-year-old man is brought to the emergency department following a high-speed car accident. He was the driver, and the windshield of the car was broken. On examination, he is alert, awake, oriented, and in no respiratory distress. He is unable to move any of his four extremities; however, his extremities are warm and pink. His vital signs on admission are HR 54 bpm and BP 70/40 mm Hg. What is the diagnosis?

Neurogenic shock. **Explanation:** The clinical presentation of **quadriplegia** (inability to move all four extremities) following a high-speed trauma strongly suggests a **cervical spinal cord injury**. In this context, the combination of **hypotension** (BP 70/40) and **bradycardia** (HR 54) is the classic hallmark of **Neurogenic Shock**. **Underlying Concept:** Neurogenic shock occurs due to the loss of sympathetic vasomotor tone and unopposed vagal activity following a high spinal cord injury (usually above T6). This leads to: 1. **Massive Vasodilation:** Resulting in hypotension and warm, pink extremities (unlike the cold, clammy skin seen in other shocks). 2. **Loss of Cardiac Accelerator Fibers:** Resulting in bradycardia instead of the compensatory tachycardia typically seen in trauma. **Why other options are incorrect:** * **Hemorrhagic Shock:** The most common shock in trauma, but it presents with **tachycardia** and cold, pale extremities due to peripheral vasoconstriction. * **Cardiogenic Shock:** Usually follows blunt cardiac injury or MI; it typically presents with tachycardia and signs of heart failure (e.g., raised JVP). * **Septic Shock:** A form of distributive shock like neurogenic shock, but it is unlikely in the immediate acute setting of a trauma and is usually accompanied by fever and a source of infection. **High-Yield Pearls for NEET-PG:** * **Neurogenic vs. Spinal Shock:** Neurogenic shock is a **hemodynamic** phenomenon (hypotension + bradycardia); Spinal shock is a **neurologic** phenomenon (loss of reflexes and flaccid paralysis). * **Management:** Initial treatment involves aggressive fluid resuscitation followed by vasopressors (e.g., Norepinephrine or Phenylephrine) if fluids fail. Atropine may be used for symptomatic bradycardia. * **Rule of Thumb:** In a trauma patient, always rule out hemorrhage first, but if the patient is **hypotensive and bradycardic**, think Neurogenic Shock.

Q: A client presents to the emergency department after sustaining a head injury in a motor vehicle accident. The client is alert and oriented. Which of the following nursing interventions should be performed first?

Immobilize the client's head and neck.. In trauma management, the primary goal is to prevent secondary injury. This question tests the application of the **ATLS (Advanced Trauma Life Support)** protocol. ### **Why Option C is Correct** In any patient with a head injury or significant blunt trauma above the clavicle, a **cervical spine (C-spine) injury** must be presumed until proven otherwise. Even if the patient is alert and oriented, sudden movement can convert a stable vertebral fracture into a permanent spinal cord injury (quadriplegia). Therefore, **immobilization of the head and neck** using a rigid cervical collar and lateral supports is the mandatory first step during the primary survey. ### **Why Other Options are Incorrect** * **Option A:** Assessing range of motion is strictly contraindicated in trauma until the spine has been radiologically and clinically cleared. Moving the neck could cause catastrophic cord compression. * **Option B:** While a chest X-ray is part of the "adjuncts" to the primary survey, it follows the stabilization of the airway and C-spine. * **Option D:** In a suspected spinal injury, the **head-tilt-chin-lift is contraindicated** as it hyperextends the neck. The preferred method to open the airway is the **Jaw-Thrust maneuver**. ### **NEET-PG High-Yield Pearls** * **Nexus Criteria/Canadian C-Spine Rules:** Used to clinically determine if a patient needs cervical imaging. * **Airway Management:** If a trauma patient requires intubation, **Manual In-Line Stabilization (MILS)** must be maintained by an assistant. * **Golden Hour:** The first hour after trauma where prompt intervention (starting with C-spine protection) significantly reduces mortality. * **Clearing the Spine:** A spine is only "cleared" when the patient is conscious, has no midline tenderness, no distracting injuries, no focal deficits, and (if necessary) negative imaging.

Q: In a polytrauma patient, what does priapism signify?

Spinal cord injury. **Explanation:** In the context of polytrauma, **priapism** (a persistent, involuntary erection) is a classic clinical sign of a **complete spinal cord injury**, typically occurring at or above the level of the thoracic spine. **Why Spinal Cord Injury is Correct:** Priapism in trauma is "neurogenic" in origin. It occurs due to the loss of sympathetic nervous system outflow (which normally maintains penile detumescence) and the subsequent unopposed parasympathetic activity originating from the sacral plexus (S2-S4). This leads to vasodilation of the corpora cavernosa and engorgement. It is often associated with **spinal shock** and is a poor prognostic sign indicating a complete rather than incomplete cord lesion. **Analysis of Incorrect Options:** * **A. Penile injury:** While direct trauma to the penis can cause high-flow priapism (due to arterial laceration), it is rare in polytrauma and usually presents with localized hematoma or deformity rather than isolated involuntary erection. * **C. Significant head injury:** Isolated head injuries typically present with altered consciousness or focal neurological deficits; they do not cause priapism unless there is a concomitant spinal injury. * **D. Pelvic injury:** While pelvic fractures can cause urethral or bladder injuries, they do not typically result in priapism unless there is associated nerve root damage. **High-Yield Clinical Pearls for NEET-PG:** * **Neurogenic Shock Triad:** Hypotension, Bradycardia, and Peripheral Vasodilation (warm extremities). * **Bulbocavernosus Reflex:** The absence of this reflex indicates **Spinal Shock**. Its return marks the end of spinal shock. * **Level of Injury:** Priapism is most commonly seen in cervical or high thoracic cord injuries. * **Management:** In trauma, neurogenic priapism is usually self-limiting as the acute phase of spinal shock evolves, but it serves as a critical "red flag" for immediate spinal immobilization and imaging.

Q: Which of the following is not typically seen in splenic trauma?

Late-onset septic shock is a common complication.. **Explanation:** The spleen is the most commonly injured organ in blunt abdominal trauma. Understanding its management and the risks associated with its removal is high-yield for NEET-PG. **Why Option C is the Correct Answer (The "Not" Statement):** While **Overwhelming Post-Splenectomy Infection (OPSI)** is a dreaded complication, it is **not common**. The lifetime risk of OPSI is approximately 1–2%, with the highest risk occurring within the first two years post-surgery. While it presents as a fulminant septic shock with high mortality (up to 50-80%), its low incidence makes the statement "common complication" clinically inaccurate. **Analysis of Other Options:** * **Option A:** Historically, splenic rupture often required splenectomy to prevent life-threatening hemorrhage. While trends are shifting, splenectomy remains the standard for Grade IV/V injuries or hemodynamically unstable patients. * **Option B:** Post-splenectomy, patients are at a lifelong increased risk of infections, particularly from encapsulated organisms (*S. pneumoniae, H. influenzae, N. meningitidis*), due to the loss of the spleen’s filtering and IgM-producing functions. * **Option D:** Currently, **Non-Operative Management (NOM)** is the treatment of choice for hemodynamically stable patients (Grades I–III), with success rates exceeding 80% in specialized centers. **Clinical Pearls for NEET-PG:** * **Kehr’s Sign:** Referred pain to the left shoulder due to diaphragmatic irritation (classic sign of splenic rupture). * **Ballance’s Sign:** Fixed dullness in the left flank and shifting dullness in the right flank. * **Vaccination Protocol:** Post-splenectomy patients must receive vaccinations against *Pneumococcus, Meningococcus,* and *H. influenzae* (ideally 14 days before elective surgery or 14 days after emergency surgery). * **Opsonization:** The spleen is the primary site for clearing poorly opsonized bacteria.

Q: Which of the following medications is used in trauma patients to control bleeding?

Tranexamic acid. ### Explanation **Correct Answer: A. Tranexamic acid (TXA)** **Mechanism and Rationale:** In major trauma, the body often undergoes **hyperfibrinolysis**—a state where clots are broken down prematurely, leading to exsanguination. Tranexamic acid is an **antifibrinolytic** agent that works by competitively inhibiting the activation of plasminogen to plasmin. By blocking the lysine-binding sites on plasminogen, it prevents the degradation of fibrin, thereby stabilizing formed clots and reducing blood loss. **Analysis of Incorrect Options:** * **B. Haemocoagulase:** This is a mixture of enzymes (isolated from snake venom) used topically or in minor surgical oozing. It lacks robust clinical evidence for improving mortality in major polytrauma. * **C. Aprotinin:** A broad-spectrum serine protease inhibitor once used to reduce bleeding in cardiac surgery. It was largely withdrawn from the market due to concerns regarding increased risks of renal failure and mortality, and it is not the standard of care in trauma. * **D. Fondaparinux:** This is a synthetic **anticoagulant** (Factor Xa inhibitor). It is used for thromboprophylaxis or treating DVT/PE; administering it to a bleeding trauma patient would be contraindicated as it would worsen hemorrhage. **High-Yield Clinical Pearls for NEET-PG:** * **CRASH-2 Trial:** This landmark study established that TXA reduces mortality in trauma patients if administered within **3 hours** of injury. * **The "Golden 3 Hours":** Administration after 3 hours may actually increase the risk of death due to thrombotic complications or altered inflammatory responses. * **Dosing:** The standard protocol is a **1g loading dose** over 10 minutes, followed by a **1g maintenance infusion** over 8 hours. * **Indication:** Systolic BP 110 bpm (signs of hemorrhagic shock).

Q: In the ATLS 'AMPLE' history mnemonic, what does the letter 'L' stand for?

Last meal. In the management of trauma patients, the **AMPLE** history is a focused, secondary survey tool used to gather essential clinical information quickly. ### **Explanation of the Correct Answer** The letter **'L'** stands for **Last Meal** (or Last oral intake). This is critical in trauma management because it helps the surgical and anesthesia teams assess the **risk of aspiration**. If a patient requires emergency surgery, knowing the time of the last meal determines the necessity of a Rapid Sequence Induction (RSI) and the potential for gastric decompression via a nasogastric tube to prevent Mendelson’s syndrome (aspiration pneumonitis). ### **Analysis of Incorrect Options** * **B. Latest events:** While the events leading up to the trauma are important, they are represented by the letter **'E'** (Events/Environment related to the injury). * **C. Loss of consciousness:** This is assessed during the Primary Survey under **'D'** (Disability) using the GCS or AVPU scale, not the AMPLE history. * **D. Location of the event:** While relevant for mechanism of injury, it is not a specific component of this mnemonic. ### **Clinical Pearls for NEET-PG** The full **AMPLE** mnemonic is: * **A:** Allergies * **M:** Medications (especially anticoagulants like Warfarin or Clopidogrel) * **P:** Past medical history / Pregnancy * **L:** Last meal (Time of intake) * **E:** Events / Environment (Mechanism of injury) **High-Yield Note:** In trauma, every patient is traditionally considered to have a **"Full Stomach"** regardless of the 'L' history, necessitating precautions during intubation. However, the 'L' provides a baseline for the severity of that risk.

Q: What is the first investigation of choice in a patient presenting with blunt trauma to the abdomen in the emergency room?

FAST scan. **Explanation:** In the emergency management of blunt trauma abdomen (BTA), the primary goal is the rapid identification of life-threatening internal hemorrhage. **1. Why FAST scan is the correct answer:** **FAST (Focused Assessment with Sonography for Trauma)** is the investigation of choice in the emergency room because it is **rapid, non-invasive, bedside, and repeatable**. It is specifically designed to detect free intraperitoneal fluid (hemoperitoneum) in four areas: the Hepatorenal pouch (Morison’s pouch), Splenorenal space, Pelvis (Pouch of Douglas), and the Pericardium. Its high sensitivity in detecting as little as 100-200 ml of fluid makes it the gold standard for initial screening, especially in hemodynamically unstable patients. **2. Why other options are incorrect:** * **CT Scan:** While the "Gold Standard" for identifying specific organ injuries (e.g., Grade III splenic tear), it requires the patient to be **hemodynamically stable**. It is time-consuming and requires transporting the patient away from the resuscitation bay. * **MRI:** It has no role in acute trauma management due to long scan times and incompatibility with resuscitation equipment. * **X-ray Abdomen:** It is insensitive for detecting hemoperitoneum or solid organ injury. Its primary use is limited to detecting pneumoperitoneum (hollow viscus perforation), but it is not the *first* investigation. **Clinical Pearls for NEET-PG:** * **E-FAST:** An "Extended" FAST includes views of the thorax to rule out PTX (Pneumothorax) and Hemothorax. * **Hemodynamically Unstable + Positive FAST** = Immediate Laparotomy. * **Hemodynamically Stable + Positive FAST** = Proceed to CECT Abdomen to grade the injury. * **DPL (Diagnostic Peritoneal Lavage):** Used if FAST is unavailable or inconclusive in an unstable patient; however, it is invasive and less preferred today.

Q: A middle third facial fracture (Le Fort fracture) is characterized by all of the following EXCEPT:

Proptosis. **Explanation:** Le Fort fractures involve the separation of the midface from the skull base. The correct answer is **Proptosis** because Le Fort fractures typically result in **Enophthalmos** (recession of the eyeball), not proptosis (protrusion). **Why Proptosis is the Correct Answer (The "Except"):** In midface trauma, the orbital floor or walls are often fractured, leading to an increase in orbital volume. This causes the orbital contents (fat and globe) to sag or herniate into the maxillary sinus, resulting in **Enophthalmos**. Proptosis is more characteristic of retrobulbar hemorrhage or orbital tumors, which increase pressure behind the globe. **Analysis of Other Options:** * **Lengthening of the face:** This is a hallmark of Le Fort II and III fractures. The separation of the midfacial skeleton from the cranium causes the facial bones to displace downwards and backwards due to gravity and the pull of the pterygoid muscles. * **Enophthalmos:** As explained, the disruption of the orbital integrity leads to a "sunken" appearance of the eye. * **Ecchymosis:** Extensive bruising is universal in facial fractures. Specifically, **"Panda eyes"** (periorbital ecchymosis) are common in Le Fort II and III fractures. **High-Yield Clinical Pearls for NEET-PG:** * **Le Fort I (Guerin’s fracture):** Low level; separates the alveolar process from the maxilla ("Floating palate"). * **Le Fort II (Pyramidal):** Involves the nasal bones and infraorbital rim. * **Le Fort III (Craniofacial dysjunction):** The entire midface is separated from the skull base; involves the zygomatic arch. * **Dish-face deformity:** A classic description of the flattened, lengthened facial profile seen in Le Fort II and III fractures. * **CSF Rhinorrhea:** Most common in Le Fort II and III due to cribriform plate involvement.

Q: Craniofacial dissociation is seen in which type of fracture?

Le Fort 3 fracture. **Explanation:** **Le Fort III fracture**, also known as **Craniofacial Dissociation**, is the correct answer because it involves a complete separation of the facial skeleton from the cranial base. The fracture line passes through the nasofrontal suture, the maxillofrontal suture, the orbital floor, and the zygomaticofrontal suture, extending through the zygomatic arches. This results in the entire midface becoming mobile and "detached" from the skull. **Analysis of Incorrect Options:** * **Le Fort I (Guerin’s fracture):** This is a horizontal maxillary fracture above the level of the teeth. It results in a **"floating palate"** but does not involve the orbits or the cranial base. * **Le Fort II (Pyramidal fracture):** This fracture has a triangular shape, involving the nasal bones and the infraorbital rim. It results in a **"floating maxilla"** but the zygomatic bones remain attached to the cranium. * **Tripod Fracture (Zygomaticomaxillary Complex Fracture):** This involves three points of the zygoma (frontal, maxillary, and temporal processes). While it causes significant malar flattening, it is a localized lateral midface injury and does not cause global dissociation of the face from the skull. **High-Yield Clinical Pearls for NEET-PG:** * **Le Fort III** is frequently associated with **CSF rhinorrhea** due to involvement of the ethmoid bone and cribriform plate. * **Dish-face deformity:** A classic clinical sign of Le Fort II and III fractures where the midface appears sunken or concave. * **Lengthening of the face:** Often seen in Le Fort II and III due to the downward displacement of the fractured segments. * **Pterygoid plates:** Involvement of the pterygoid plates is a mandatory feature for a fracture to be classified as any Le Fort type (I, II, or III).

Question 1

A 30-year-old man is brought to the emergency department following a high-speed car accident. He was the driver, and the windshield of the car was broken. On examination, he is alert, awake, oriented, and in no respiratory distress. He is unable to move any of his four extremities; however, his extremities are warm and pink. His vital signs on admission are HR 54 bpm and BP 70/40 mm Hg. What is the diagnosis?

Accepted Answer

Neurogenic shock

Answer

Hemorrhagic shock

Answer

Cardiogenic shock

Answer

Septic shock

Question 2

A client presents to the emergency department after sustaining a head injury in a motor vehicle accident. The client is alert and oriented. Which of the following nursing interventions should be performed first?

Accepted Answer

Immobilize the client's head and neck.

Answer

Assess full range of motion to determine the extent of injuries.

Answer

Obtain an immediate chest x-ray.

Answer

Open the airway using the head-tilt-chin-lift maneuver.

Question 3

In a polytrauma patient, what does priapism signify?

Accepted Answer

Spinal cord injury

Answer

Penile injury

Answer

Significant head injury

Answer

Pelvic injury

Question 4

Which of the following is not typically seen in splenic trauma?

Accepted Answer

Late-onset septic shock is a common complication.

Answer

Splenic rupture often requires splenectomy.

Answer

Post-splenectomy infections are common.

Answer

Many cases of splenic trauma can be managed conservatively.

Question 5

A patient presents with chest trauma and tachypnea (respiratory rate >40 breaths/min). Physical examination reveals hypertension (blood pressure = 90/60 mmHg) and a hyperresonant note on the involved side. What is the next appropriate management step?

Accepted Answer

Wide bore needle insertion on the 2nd intercostal space (ICS)

Answer

Intubation

Answer

Chest X-ray (CXR)

Answer

Intravenous fluids (IVF)

Question 6

Which of the following medications is used in trauma patients to control bleeding?

Accepted Answer

Tranexamic acid

Answer

Haemocoagulase

Answer

Aprotinin

Answer

Fondaparinux

Question 7

In the ATLS 'AMPLE' history mnemonic, what does the letter 'L' stand for?

Accepted Answer

Last meal

Answer

Latest events

Answer

Loss of consciousness

Answer

Location of the event

Question 8

What is the first investigation of choice in a patient presenting with blunt trauma to the abdomen in the emergency room?

Accepted Answer

FAST scan

Answer

CT scan

Answer

MRI

Answer

X-ray abdomen

Question 9

A middle third facial fracture (Le Fort fracture) is characterized by all of the following EXCEPT:

Accepted Answer

Proptosis

Answer

Lengthening of the face

Answer

Enophthalmos

Answer

Ecchymosis

Question 10

Craniofacial dissociation is seen in which type of fracture?

Accepted Answer

Le Fort 3 fracture

Answer

Le Fort 1 fracture

Answer

Le Fort 2 fracture

Answer

Tripod fracture

Trauma — MCQs

Trauma — MCQs

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