Trauma Practice Questions

Q: What is the first step to be taken in the management of a cervical spine injury?

Immobilization of spine. ***Immobilization of spine*** - In the context of **isolated cervical spine injury management**, **spinal immobilization** is the primary intervention to prevent further neurological damage. - This is typically achieved using a **cervical collar** and **backboard** to maintain in-line spinal stabilization. - **Note**: In actual trauma scenarios following **ATLS protocols**, airway management and cervical spine immobilization occur **simultaneously** as the first priority (Airway with C-spine protection). *Turn head* - **Turning the head** is absolutely contraindicated as it can exacerbate a cervical spine injury, leading to further compression or damage to the **spinal cord**. - Maintaining a **neutral, in-line position** is critical to avoid neurological deterioration. *Maintain airway* - In comprehensive trauma management per **ATLS guidelines**, **airway management with simultaneous cervical spine protection** is the first priority in the ABC sequence. - Airway is maintained using methods that do not compromise spinal stability, such as a **jaw thrust maneuver** or **endotracheal intubation with manual in-line stabilization**. - The distinction here is that this question focuses on the specific step for **spinal injury management** rather than overall trauma priorities. *None of the options* - This option is incorrect because **immobilization of the spine** is a definitive priority in managing a suspected cervical spine injury. - Both spinal immobilization and airway management are critical interventions that should occur together in actual practice.

Q: Which of the following actions is NOT recommended when dealing with a patient who has been bitten by a snake?

Local incision. ***Local incision*** - Making an incision at the bite site can **worsen tissue damage**, increase the risk of infection, and does not effectively remove venom. - This practice is **outdated** and potentially harmful, as venom spreads rapidly through the lymphatic system rather than being localized in a way that incision can help. - **Local incision is NOT recommended** and is a contraindicated first-aid measure. *Immobilization of the affected limb* - Immobilizing the bitten limb helps **slow the spread of venom** through the lymphatic system. - This is a **recommended first-aid measure**, especially for neurotoxic snakebites, and should be done by keeping the limb at or below heart level. - Proper immobilization involves splinting the limb without restricting blood flow. *Reassurance* - Overt fear and anxiety can lead to symptoms like **tachycardia** and **hypertension**, which can exacerbate the effects of the venom. - **Calming the patient** helps reduce the physiological stress response, which is crucial as panic can worsen the clinical picture. - Reassurance is a **recommended supportive measure**. *Clean with soap and water* - Cleaning the wound helps remove surface venom and **reduce the risk of secondary bacterial infection**. - This is a **recommended basic first-aid measure** that promotes wound hygiene without interfering with venom management.

Q: In the context of trauma, which condition is associated with Cushing's triad?

Traumatic Brain Injury. ***Traumatic Brain Injury*** - **Cushing's triad** (hypertension, bradycardia, irregular respiration) is a classic sign of increased **intracranial pressure (ICP)**, which is commonly seen in severe traumatic brain injuries. - Increased ICP in TBI results from **edema**, **hematoma**, or **contusion**, compressing brain tissue and triggering this physiological response to maintain cerebral perfusion. *Explosive trauma* - While explosive trauma can cause various injuries, including TBI, it is not specifically or exclusively associated with the presentation of **Cushing's triad** as a primary defining feature. - The direct cause-and-effect relationship between explosive trauma and Cushing's triad is mediated through the resulting TBI, not the explosion itself. *Firearm injury* - Firearm injuries can lead to significant trauma, including head injuries, but the term itself does not directly imply a state leading to **Cushing's triad**. - Cushing's triad would only manifest if a firearm injury resulted in a **severe TBI** with increased intracranial pressure. *Submersion injury* - Submersion injuries primarily involve **respiratory compromise** and **hypoxia** due to drowning or near-drowning. - While global cerebral hypoxia can occur, submersion injury is not typically associated with the direct mechanisms that cause increased ICP and thus **Cushing's triad**.

Q: What is the first aid treatment for acid contact with the skin?

Wash with copious amounts of water. ***Wash with copious amounts of water*** - The primary first aid for acid contact with the skin is immediate and prolonged **irrigation with copious amounts of water**. This helps to dilute the acid and wash away residual chemicals, minimizing tissue damage. - Flushing should continue for at least **20-30 minutes** or until medical help arrives, even if the pain subsides, to ensure thorough removal of the corrosive agent. *Wash with strong alkali* - Using a strong alkali to neutralize an acid burn can lead to an **exothermic reaction**, generating significant heat and causing further tissue damage. - This approach carries a high risk of worsening the chemical burn and should be strictly avoided. *Refer to higher centre* - While referral to a higher center may be necessary for severe burns, it is not the **immediate first aid step**. Delaying initial management to seek advanced care can worsen the burn. - **Immediate irrigation** is crucial to prevent further chemical injury and should precede any transfer decisions. *Wash with mild alkali agent* - Similar to strong alkalis, even a mild alkali agent can cause an **exothermic reaction** when mixed with acid on the skin, potentially increasing tissue damage rather than mitigating it. - The most effective and safest approach is **dilution with water**, not neutralization with bases.

Q: All of the following are true about zygomatic bone fractures except:

Best diagnosed by X-ray Water's view. ***Best diagnosed by X-ray Water's view*** - While a **Water's view** can show some aspects of midface fractures, **Computed Tomography (CT) scans** are the gold standard for diagnosing zygomatic bone fractures. - **CT scans** provide detailed 3D imaging, allowing for precise assessment of fracture lines, displacement, and involvement of surrounding structures, which is crucial for treatment planning. *Also known as Zygomaticomaxillary complex fracture* - This statement is **true** because the zygomatic bone articulates strongly with the maxilla, forming a complex that is often fractured as a unit. - Fractures of the zygoma frequently involve the connections between the **zygoma, maxilla, temporal bone, and sphenoid bone**. *Associated with displacement of the zygomatic bone* - This statement is **true** as zygomatic bone fractures commonly result in **displacement** due to the impact forces and muscle pull. - Displacement can lead to clinical signs such as **flattening of the malar eminence**, infraorbital nerve paresthesia, and trismus. *Treatment of choice is open reduction and internal fixation* - This statement is **true** for significantly displaced or unstable zygomatic fractures, as **Open Reduction and Internal Fixation (ORIF)** allows for anatomical restoration and stable fixation. - The goal of treatment is to restore facial contour, orbital integrity, and masticatory function.

Q: After a young male presented with a non-pulsatile retroperitoneal hematoma and an on-table IVU was performed, the right kidney was not visualized, while the left kidney showed immediate excretion of dye. What is the next step in management?

Open Gerota's fascia and explore proximal renal vessels. ***Open Gerota's fascia and explore proximal renal vessels*** - A non-pulsatile retroperitoneal hematoma with non-visualization of the kidney on IVU suggests a **renal pedicle injury**, likely involving the renal artery. - **Prompt exploration** of the renal vessels within Gerota's fascia is crucial to assess for and repair potential vascular damage to save the kidney. *Nephrectomy* - This is an **extreme measure** and should only be considered after attempts to salvage the kidney have failed or if the kidney is severely damaged beyond repair, which is not yet confirmed. - **Preservation of renal function** is paramount, especially in a young patient, so initial management focuses on repair rather than removal. *Perform retrograde pyelography* - Retrograde pyelography primarily visualizes the collecting system (ureter and renal pelvis) and would not effectively identify **vascular injuries** to the renal artery or vein. - The immediate concern is the lack of perfusion to the kidney, indicated by non-visualization on IVU, which points to a **vascular issue rather than a collecting system obstruction**. *Perform on table angiography* - While angiography can identify vascular injuries, performing it "on table" during an open surgical exploration for a retroperitoneal hematoma can be **time-consuming** and delay direct access to the injured vessels. - **Direct surgical exploration** allows for immediate control of bleeding and repair of the vessel, which is often faster and more definitive in an acute setting.

Q: What is the treatment for most cases of blunt trauma to the kidney?

Conservative. ***Conservative*** - The majority of kidney injuries resulting from **blunt trauma** are low-grade (Grades I-III) and can be successfully managed with **conservative (non-operative) methods**. - This typically involves bed rest, careful monitoring of vital signs and urine output, hydration, and serial imaging to ensure stability and healing of the kidney. *Nephrectomy* - **Nephrectomy** (surgical removal of the kidney) is generally reserved for severe, high-grade kidney injuries (Grades IV-V) that are life-threatening or cannot be controlled by other means. - Indications include uncontrollable hemorrhage, extensive renal parenchymal destruction, or a non-viable kidney. *Nephrotomy* - **Nephrotomy** is an incision into the kidney, often performed for stone removal or to drain an abscess, but it is not a primary treatment for blunt traumatic kidney injury. - While surgical repair (nephrorrhaphy) may sometimes be indicated for high-grade injuries to preserve the kidney, a simple nephrotomy is not the standard approach. *Nephroplexy* - **Nephroplexy** is a surgical procedure to fix a prolapsed or "floating" kidney (nephroptosis), which is an entirely different condition from traumatic injury. - This procedure aims to secure the kidney in its normal anatomical position and is not indicated for kidney trauma.

Q: The least common organ injured by blast injury is:

Stomach. ***Stomach*** - The stomach is one of the **least commonly injured organs** in blast trauma due to its location deep within the abdominal cavity, protected by other structures. - Its **elasticity** and ability to absorb pressure also offer some protection against direct blast wave injury. *Tympanic membrane* - The **tympanic membrane (eardrum)** is the **most common organ injured** by blast overpressure due to its delicate structure and direct exposure to changes in atmospheric pressure. - **Perforation** of the tympanic membrane is a hallmark of blast injury and a significant indicator of blast exposure severity. *Alveoli of the lung* - The **lungs** are highly susceptible to primary blast injury (blast lung) because they contain **air-fluid interfaces** that transmit and amplify blast waves. - Injury to the **alveoli** can lead to **hemorrhage**, edema, and pneumothorax, significantly impairing gas exchange. *Skull* - While not as commonly injured by the primary blast wave as the tympanic membrane or lungs, the **skull** can sustain serious injuries from **secondary blast effects** (fragments/projectiles) or **tertiary blast effects** (head impact from displacement). - **Traumatic brain injury (TBI)** is a significant concern in blast trauma, often resulting from both direct intracranial pressure changes and impact.

Question 1

In the initial management of a hemodynamically unstable polytrauma patient, what is the recommended initial crystalloid bolus dose of Ringer's lactate for assessment and stabilization?

Accepted Answer

1000 ml Ringer's lactate bolus, then regulated by clinical indicators

Answer

2000 ml Ringer's lactate bolus

Answer

250 ml Ringer's lactate bolus

Answer

500 ml Ringer's lactate bolus, then regulated by clinical indicators

Question 2

What is the first step to be taken in the management of a cervical spine injury?

Accepted Answer

Immobilization of spine

Answer

Turn head

Answer

None of the options

Answer

Maintain airway

Question 3

Which of the following actions is NOT recommended when dealing with a patient who has been bitten by a snake?

Accepted Answer

Local incision

Answer

Reassurance

Answer

Immobilization of the affected limb

Answer

Clean with soap and water

Question 4

In the context of trauma, which condition is associated with Cushing's triad?

Accepted Answer

Traumatic Brain Injury

Answer

Explosive trauma

Answer

Firearm injury

Answer

Submersion injury

Question 5

What is the first aid treatment for acid contact with the skin?

Accepted Answer

Wash with copious amounts of water

Answer

Wash with strong alkali

Answer

Refer to higher centre

Answer

Wash with mild alkali agent

Question 6

All of the following are true about zygomatic bone fractures except:

Accepted Answer

Best diagnosed by X-ray Water's view

Answer

Treatment of choice is open reduction and internal fixation

Answer

Also known as Zygomaticomaxillary complex fracture

Answer

Associated with displacement of the zygomatic bone

Question 7

A 17-year-old girl presents to the emergency department with a stab wound to the abdomen in the anterior axillary line at the right costal margin. Her blood pressure is 80/50 mmHg, pulse rate is 120 beats per minute, and respiratory rate is 28 breaths per minute. Two large-bore intravenous lines, a nasogastric tube, and a Foley's catheter have been inserted. Her blood pressure rises to 90/60 mmHg after administration of 2 liters of Ringer's lactate. The appropriate management is which of the following?

Accepted Answer

Exploratory laparotomy

Answer

Peritoneal lavage

Answer

Abdominal ultrasound (FAST exam)

Answer

Laparoscopic exploration

Question 8

After a young male presented with a non-pulsatile retroperitoneal hematoma and an on-table IVU was performed, the right kidney was not visualized, while the left kidney showed immediate excretion of dye. What is the next step in management?

Accepted Answer

Open Gerota's fascia and explore proximal renal vessels

Answer

Perform retrograde pyelography

Answer

Nephrectomy

Answer

Perform on table angiography

Question 9

What is the treatment for most cases of blunt trauma to the kidney?

Accepted Answer

Conservative

Answer

Nephrectomy

Answer

Nephrotomy

Answer

Nephroplexy

Question 10

The least common organ injured by blast injury is:

Accepted Answer

Stomach

Answer

Tympanic membrane

Answer

Skull

Answer

Alveoli of the lung

Trauma — MCQs

Trauma — MCQs

On this page

Practice by Chapter

Want unlimited practice?