Advanced Trauma Life Support (ATLS) Principles — MCQs
What is the full form of ATLS?
Ultrasound is the investigation of choice for
In the primary survey, which of the following is not included?
Which of these is the most life-threatening injury that can be identified by assessing the breathing component of the patient?
Neurological status is assessed under which step of ABCDE of trauma care?
Which of the following is not done in the primary survey of trauma?
What is the investigation of choice in a patient with blunt abdominal trauma with hematuria?
What is to be addressed first in case of polytrauma -
What is the correct sequence of management in a patient who presents to the casualty with an RTA? 1. Cervical spine stabilization 2. Intubation 3. IV cannulation 4. CECT
Which of the following statements are correct regarding ABCDE of trauma care ? I. A stands for Airway with cervical spine protection II. B stands for Breathing and ventilation III. C stands for Control of massive external haemorrhage IV. D stands for Disability (Neurological status) Select the answer using the code given below :
Advanced Trauma Life Support (ATLS) Principles Indian Medical PG Practice Questions and MCQs
Question 1: What is the full form of ATLS?
- A. Acute Trauma Life Support
- B. Advanced Trauma Life Support (Correct Answer)
- C. Advanced Tertiary Life Support
- D. Acute Tertiary Life Support
Explanation: ***Advanced Trauma Life Support*** - **ATLS** is a training program for medical providers in the management of acute trauma victims. - It emphasizes a standardized, systematic approach to resuscitation and evaluation of injured patients. *Acute Trauma Life Support* - This option incorrectly uses "**Acute**" instead of "**Advanced**," which misrepresents the program's widely recognized name. - The framework is designed for comprehensive, **advanced** care rather than merely acute stabilization. *Advanced Tertiary Life Support* - This option incorrectly uses "**Tertiary**" instead of "**Trauma**," changing the focus from injury care to a general level of medical care. - **ATLS** specifically addresses the immediate and critical needs of **trauma** patients. *Acute Tertiary Life Support* - This option incorrectly uses both "**Acute**" and "**Tertiary**," deviating from the established name and purpose of the program. - The program is neither solely "acute" in its naming nor focused on "tertiary" care in this context, but rather **advanced trauma** management.
Question 2: Ultrasound is the investigation of choice for
- A. Somatostatinoma
- B. Intraductal Pancreatic calculi
- C. Urethral stricture
- D. Blunt abdominal trauma (Correct Answer)
Explanation: ***Blunt abdominal trauma*** - **Focused Assessment with Sonography for Trauma (FAST) exam** is the initial imaging modality of choice for rapidly detecting **intra-abdominal free fluid** (hemoperitoneum) in hemodynamically unstable patients with blunt abdominal trauma due to its speed, portability, and non-invasiveness. - It helps guide the need for further imaging or surgical intervention, making it critical in the acute setting. *Somatostatinoma* - Diagnosed primarily through biochemical tests (elevated **somatostatin levels**) and imaging like **CT, MRI, or somatostatin receptor scintigraphy (SRS)**, which are superior for localizing these rare neuroendocrine tumors. - Although ultrasound can sometimes detect pancreatic masses, it is not the **investigation of choice** for definitive diagnosis or staging of somatostatinomas. *Intraductal Pancreatic calculi* - Often best visualized with **Endoscopic Retrograde Cholangiopancreatography (ERCP)** or **Magnetic Resonance Cholangiopancreatography (MRCP)**, which provide detailed imaging of the pancreatic and bile ducts. - While transabdominal ultrasound can sometimes detect dilated ducts or large calculi, **Endoscopic Ultrasound (EUS)** is more sensitive and specific for intraductal pathologies, making routine transabdominal ultrasound not the primary choice. *Urethral stricture* - The gold standard for diagnosing urethral strictures is **urethrography** (retrograde urethrogram), which directly visualizes the stricture and its extent. - While ultrasound can sometimes be used to assess the urethra, it is less effective than urethrography for defining the length and severity of a stricture.
Question 3: In the primary survey, which of the following is not included?
- A. ABC
- B. CECT to look for bleeding (Correct Answer)
- C. Exposure of the whole body
- D. Recording BP
Explanation: ***CECT to look for bleeding*** - A **CECT scan** is a detailed imaging study that is performed during the **secondary survey**, not during the primary survey. - The primary survey focuses on the immediate **ABCDE assessment** (Airway, Breathing, Circulation, Disability, Exposure) to identify and treat immediately life-threatening conditions. - While identifying bleeding is critical, detailed imaging like CECT is done only after initial stabilization is achieved in the primary survey. *ABC* - **Airway, Breathing, and Circulation (ABC)** are the fundamental first three components of the primary survey. - These represent the immediate priorities for life support in trauma management according to ATLS guidelines. - Ensuring a patent airway, adequate breathing, and circulatory stability are critical first steps. *Exposure of the whole body* - **Exposure** (the "E" in ABCDE) is an essential part of the primary survey. - Complete exposure allows full assessment for injuries and prevents missing critical external wounds. - This step also involves maintaining **thermoregulation** to prevent hypothermia. *Recording BP* - **Recording blood pressure** is a crucial part of assessing circulation (the "C") during the primary survey. - It helps quickly evaluate hemodynamic status and identify potential signs of shock or internal bleeding. - Vital signs monitoring is integral to the initial trauma assessment.
Question 4: Which of these is the most life-threatening injury that can be identified by assessing the breathing component of the patient?
- A. Blunt cardiac injury
- B. Tension pneumothorax (Correct Answer)
- C. Cervical spine injury
- D. Laryngotracheal injury
Explanation: ***Tension pneumothorax*** - A tension pneumothorax is a **life-threatening condition** identified during the breathing assessment, as it severely impairs ventilation and causes **hemodynamic instability** by compressing major vessels. - Key signs include absent breath sounds on the affected side, **tracheal deviation**, and **hypotension** due to mediastinal shift. *Blunt cardiac injury* - While serious, blunt cardiac injury is typically identified during the **circulation assessment**, with signs like arrhythmias, hypotension, or cardiac tamponade. - Its direct impact on breathing is less immediate compared to a tension pneumothorax. *Cervical spine injury* - A cervical spine injury can affect breathing if it involves the **phrenic nerve** (C3-C5), leading to respiratory paralysis, but this is assessed during the **disability component** or secondary survey for neurological deficits. - It does not directly cause an acute, life-threatening compromise of lung function discernible primarily through a breathing assessment like a tension pneumothorax. *Laryngotracheal injury* - A laryngotracheal injury primarily affects the **airway component** (A in ABCDE), leading to immediate obstruction or stridor. - While critical, it is distinct from problems with the lungs' ability to expand or perform gas exchange, which are assessed under breathing.
Question 5: Neurological status is assessed under which step of ABCDE of trauma care?
- A. C - Circulation with haemorrhage control
- B. E - Exposure: completely undress the patient and assess for other injuries
- C. B - Breathing and ventilation
- D. D - Disability: neurological status (Correct Answer)
Explanation: ***D - Disability: neurological status*** - The "D" in ABCDE trauma assessment specifically stands for **Disability**, which involves a rapid assessment of the patient's **neurological status**. - This step typically includes evaluating **level of consciousness** using tools like the AVPU scale (Alert, Voice, Pain, Unresponsive) or the Glasgow Coma Scale (GCS), assessing pupillary response, and identifying any gross motor deficits. *C - Circulation with haemorrhage control* - This step focuses on assessing and managing **blood flow**, including evaluating heart rate, blood pressure, capillary refill, and controlling any sources of external hemorrhage. - While neurological issues can result from poor circulation, the primary assessment of the nervous system itself is not performed here. *E - Exposure: completely undress the patient and assess for other injuries* - This final step involves a thorough **inspection of the entire body** to identify hidden injuries, such as bruising, lacerations, or deformities, while simultaneously ensuring temperature regulation. - It is for overall physical assessment, not for initial neurological evaluation. *B - Breathing and ventilation* - This step involves assessing the patient's **respiratory effort**, checking for symmetrical chest rise, listening to breath sounds, and intervening to ensure adequate oxygenation and ventilation. - While critical for brain function, this step focuses on the respiratory system, not the direct assessment of neurological function.
Question 6: Which of the following is not done in the primary survey of trauma?
- A. Intubation
- B. NCCT head (Correct Answer)
- C. ICD drainage
- D. CXR
Explanation: ***NCCT head*** - A **Non-Contrast CT (NCCT) head** is typically performed during the **secondary survey** once the patient is hemodynamically stable and life-threatening conditions have been addressed. - The primary survey focuses on immediate **life-saving interventions** for airway, breathing, circulation, disability, and exposure. *Intubation* - **Intubation** is a critical intervention during the primary survey, specifically under the **'A' (Airway)** component, to establish and secure a patent airway in a compromised patient. - Failure to establish an airway can rapidly lead to **hypoxia** and death. *ICD drainage* - **Intercostal drain (ICD) drainage** is an urgent intervention in the primary survey, falling under **'B' (Breathing)**, to manage conditions like **tension pneumothorax** or massive hemothorax. - These conditions can severely compromise ventilation and circulation, requiring immediate relief. *CXR* - A **Chest X-ray (CXR)** is a rapid and essential diagnostic tool in the primary survey, also under **'B' (Breathing)**, to identify life-threatening thoracic injuries such as pneumothorax, hemothorax, or mediastinal shift. - It provides quick information crucial for immediate management decisions.
Question 7: What is the investigation of choice in a patient with blunt abdominal trauma with hematuria?
- A. USG of the abdomen
- B. Retrograde urogram
- C. IVP
- D. CECT (Correct Answer)
Explanation: ***Correct Answer: CECT*** - **Contrast-enhanced computed tomography (CECT)** is the investigation of choice for evaluating blunt abdominal trauma with hematuria as it accurately assesses the extent of injury to the **kidneys, ureters, bladder**, and surrounding structures. - It provides detailed images for detecting **renal lacerations, hematomas, urine extravasation**, and other abdominal organ injuries. - **Gold standard** in trauma protocols for comprehensive evaluation of renal and abdominal injuries. *Incorrect: USG of the abdomen* - **Ultrasound** can identify gross abnormalities like large hematomas or free fluid but is less sensitive than CECT for subtle renal injuries or collecting system disruptions. - It is often used as an initial screening tool (FAST exam) but not the definitive investigation of choice in this context. *Incorrect: Retrograde urogram* - A **retrograde urogram** primarily evaluates the **lower urinary tract** (ureters and bladder) by injecting contrast directly into the urethra. - It is not suitable for assessing the extent of renal parenchymal injury or other abdominal organ damage in blunt trauma. *Incorrect: IVP* - **Intravenous pyelogram (IVP)** uses intravenous contrast to visualize the kidneys, ureters, and bladder, but it has largely been replaced by CECT due to its lower sensitivity and specificity for traumatic injuries. - It provides less detailed anatomical information about surrounding soft tissues and can miss subtle parenchymal or vascular injuries.
Question 8: What is to be addressed first in case of polytrauma -
- A. Circulation
- B. Neurology
- C. Blood Pressure
- D. Airway (Correct Answer)
Explanation: ***Airway*** - Maintaining a **patent airway** is the absolute first priority in polytrauma management according to the **ATLS (Advanced Trauma Life Support)** protocol. - Failure to secure an airway can lead to **hypoxia** and **brain damage** within minutes, regardless of other injuries. *Circulation* - While critical, addressing **circulation** (C in ABCDE) comes after establishing a secure airway and adequate breathing (A and B). - Uncontrolled hemorrhage would be the focus of circulation management, but only after guaranteeing proper oxygenation. *Neurology* - Neurological assessment (D in ABCDE for Disability) follows the primary survey of airway, breathing, and circulation. - Initial neurological evaluation focuses on **level of consciousness** using the **GCS (Glasgow Coma Scale)**. *Blood Pressure* - **Blood pressure** is an indicator of circulatory status but is not the first thing to be addressed. - It falls under the "C" for circulation in the ATLS protocol, which is secondary to airway and breathing.
Question 9: What is the correct sequence of management in a patient who presents to the casualty with an RTA? 1. Cervical spine stabilization 2. Intubation 3. IV cannulation 4. CECT
- A. 2,1,4,3
- B. 1,3,2,4
- C. 2,1,3,4
- D. 1,2,3,4 (Correct Answer)
Explanation: ***1,2,3,4*** - This sequence follows the **ATLS (Advanced Trauma Life Support)** protocol, prioritizing immediate life threats in order. - **Cervical spine stabilization** is the **first action upon patient contact** to prevent secondary neurological injury in any trauma patient. - **Airway management (intubation)** is then performed **with maintained in-line c-spine stabilization** - these occur nearly simultaneously but c-spine protection is instituted first. - **IV cannulation (circulation)** follows to establish vascular access for resuscitation and medications. - **CECT (imaging)** is performed last, once the patient is stabilized after addressing immediate life threats. - This follows the **ATLS Primary Survey: Airway (with c-spine protection) → Breathing → Circulation → Disability → Exposure**. *2,1,4,3* - This incorrectly places intubation **before** cervical spine stabilization is initiated. - In ATLS, **c-spine protection must be applied immediately upon patient contact** before any airway manipulation. - Delaying IV cannulation until after CECT is inappropriate as circulatory access is critical for early resuscitation. *1,3,2,4* - While this correctly starts with cervical spine stabilization, it incorrectly places **IV cannulation before intubation**. - In the ATLS primary survey, **Airway comes before Circulation** - securing the airway takes priority over establishing IV access. - This sequence could delay critical airway management in a patient with respiratory compromise. *2,1,3,4* - This sequence places **intubation before cervical spine stabilization**, which violates ATLS principles. - **C-spine stabilization must be the first action** upon approaching any trauma patient to prevent secondary spinal cord injury. - While intubation with in-line stabilization is possible, the c-spine protection must be instituted first, not after beginning airway manipulation.
Question 10: Which of the following statements are correct regarding ABCDE of trauma care ? I. A stands for Airway with cervical spine protection II. B stands for Breathing and ventilation III. C stands for Control of massive external haemorrhage IV. D stands for Disability (Neurological status) Select the answer using the code given below :
- A. I, II and III
- B. I, II and IV (Correct Answer)
- C. II, III and IV
- D. I, III and IV
Explanation: ***I, II and IV*** - All statements I, II, and IV accurately describe components of the **ABCDE approach in trauma care**. - **A** is for **Airway maintenance with cervical spine protection**, **B** for **Breathing and ventilation**, and **D** for **Disability (neurological status)**. - These are the core components as per **ATLS (Advanced Trauma Life Support) guidelines**. *I, II and III* - This option is incorrect because statement III is **incomplete and inaccurate**. - In the standard ATLS primary survey, **C stands for Circulation with hemorrhage control**, not just "Control of massive external haemorrhage." - While controlling hemorrhage is a critical part of 'C', the primary focus is on assessing and managing **circulation** (shock, perfusion, bleeding). - Note: ATLS 10th edition introduced **<C> for catastrophic hemorrhage** in tactical settings, but this is a separate step before A, not a replacement for C. *II, III and IV* - This option is incorrect as it omits statement I, which correctly describes **A as Airway with cervical spine protection**, the first and most critical step in trauma management. - Statement III also incorrectly describes what 'C' represents in the ABCDE approach. *I, III and IV* - This option is incorrect because it omits statement II, which correctly identifies **B as Breathing and ventilation**, an essential assessment following airway management. - Statement III is incomplete as it fails to mention that **C primarily stands for Circulation** (with hemorrhage control as one component).
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