The TCRN (Trauma Certified Registered Nurse) is a nursing certification awarded by BCEN.
BCEN publishes the official exam outline, eligibility rules and fees — see BCEN's official page before you book.
Twenty TCRN (Trauma Certified Registered Nurse) questions, with the answers hidden until you want them — covering Management, Pathology, Professional, Assessment and more. They are real cards from our 1050-card deck, not the 30 on the free preview page, so you can use both. Work through them cold, then use your score below to decide what to study next. BCEN publishes the official exam outline — check it for the real blueprint.
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A patient with an External Ventricular Drain (EVD) for TBI management shows an ICP of 26 mmHg with a dampened waveform. The patient is stable. What is the priority nursing action?
Show answer →Ensure the transducer is leveled at the external auditory meatus (tragus) and zeroed. Troubleshooting includes checking for kinks, air bubbles, or clots in the tubing. BCEN Tip: Always rule out technical error before escalating to Tier 2 interventions (like hyperosmolar therapy). If the EVD is used for drainage, ensure the stopcock is in the correct position for the ordered pressure threshold.
When is aggressive hyperventilation (PaCO2 <30 mmHg) indicated in the management of TBI?
Show answer →Only as a temporary bridge for acute herniation or severe neurologic deterioration while preparing for definitive surgery. Rationale: Hyperventilation causes vasoconstriction, reducing ICP, but also causes profound cerebral ischemia. It should be avoided in the first 24 hours when cerebral blood flow is already low. Exam Strategy: BCEN looks for the bridge concept. If used, PaCO2 should target 30-35 mmHg and SjO2/PbtO2 should be monitored if possible.
A patient with a T4 spinal cord injury (SCI) reports a sudden, pounding headache with a BP of 190/110 mmHg and HR of 48 bpm. After sitting the patient upright, what is the immediate next step in management according to TCRN standards?
Show answer →The immediate next step after sitting the patient up (to induce orthostatic BP reduction) is to loosen any constrictive clothing, braces, or compression stockings. Following this, the nurse must systematically identify and remove the noxious stimulus. The most common trigger is bladder distension (85% of cases). Check the urinary drainage system for kinks or fullness. If the patient is not catheterized, perform an immediate bladder scan/catheterization using lidocaine jelly to avoid further stimulation. BCEN emphasizes the sit up, loosen up, look for cause sequence. Distractors often include administering antihypertensives before attempting to remove the stimulus; medication is only indicated if SBP remains >150 mmHg after addressing the cause.
Which SCI level is the highest level at which a patient generally retains full use of the diaphragm but lacks the abdominal muscle strength required for an effective cough?
Show answer →C5. The phrenic nerve (C3-C5) innervates the diaphragm. While C5 patients can breathe independently, they lack the T7-T12 abdominal innervation and T1-T11 intercostal innervation needed to generate the high intrathoracic pressure for an effective cough. BCEN Tip: These patients require assisted cough (quad cough) techniques to clear secretions.
A patient presents with an ocular burn from a car battery (sulfuric acid). What is the characteristic pathophysiology of this injury?
Show answer →Sulfuric acid causes coagulative necrosis. The acid precipitates tissue proteins, forming a physical barrier (eschar) that limits further penetration of the acid into the deeper ocular structures. While still an emergency, the self-limiting nature makes it generally less invasive than alkali burns. BCEN Exam Strategy: Associate acid with coagulative and alkali with liquefactive.
A patient with a chemical burn is prescribed topical steroids and cycloplegic drops. What are the specific goals of these medications?
Show answer →Cycloplegics (e.g., Atropine, Cyclopentolate) are used to paralyze the ciliary body, reducing pain from ciliary spasm and preventing the formation of synechiae (adhesions). Topical steroids are used in the first 7–10 days to reduce intense inflammation that leads to scarring. BCEN Exam Strategy: Be aware that steroids are often discontinued after 10 days if the corneal epithelium hasn't healed, as they can then inhibit collagen synthesis and promote corneal melting.
An 82-year-old patient on aspirin presents with gradual cognitive decline and gait instability over two weeks after a minor fall. CT shows a crescent-shaped, hypodense collection. What is the pathophysiology and classification of this hemorrhage?
Show answer →This is a Chronic Subdural Hematoma (SDH). Pathophysiology involves the tearing of bridging veins between the dura and arachnoid membranes. In geriatric patients, brain atrophy increases the distance these veins must travel, making them prone to shearing even with minor trauma. Classification is based on timing: Acute (<72 hours, hyperdense/white), Subacute (3-21 days, isodense/grey), and Chronic (>21 days, hypodense/dark). BCEN focuses on the elderly and those on anticoagulants as high-risk populations for SDH.
During an ASIA (ISNCSCI) exam, a patient has no voluntary motor or sensory function in the sacral segments S4-S5, but has some preserved sensation at T12. How is this injury classified on the ASIA Impairment Scale (AIS)?
Show answer →AIS A (Complete). An injury is classified as Complete if there is no sacral sparing. Sacral sparing is defined as the presence of voluntary anal contraction (VAC) or sensory perception (light touch/pinprick) at the S4-S5 dermatome, or deep anal pressure (DAP). If any of these are present, the injury is Incomplete (AIS B, C, or D). Key Exam Point: The Complete vs. Incomplete distinction depends ENTIRELY on the S4-S5 segments. AIS B indicates sensory preservation but no motor; AIS C/D indicate varying degrees of motor preservation below the neurological level.
Following a T4 incomplete SCI, a patient develops a HR of 44 bpm, BP of 84/38 mmHg, and warm, flushed extremities. What is the primary physiological cause and the immediate MAP goal?
Show answer →Neurogenic Shock; MAP goal 85-90 mmHg. Pathophysiology: Loss of sympathetic vasomotor tone and unopposed vagal activity (parasympathetic) lead to massive vasodilation and bradycardia. Management: Aggressive fluid resuscitation followed by vasopressors (e.g., norepinephrine). MAP is maintained at 85-90 mmHg for 5-7 days to optimize spinal cord perfusion pressure (SCPP) and limit secondary ischemic injury. Exam Tip: Do not confuse with Spinal Shock (loss of reflexes).
During the assessment of a patient in spinal shock, how does the trauma nurse determine the resolution of this phase?
Show answer →The return of the bulbocavernosus reflex (BCR). The BCR is tested by squeezing the glans penis or tugging on a Foley catheter while monitoring for anal sphincter contraction. Its return marks the end of spinal shock and the potential transition into a state of hyperreflexia or the possibility of autonomic dysreflexia in later stages.
A nurse is performing a BI on a patient who is resistant and defensive. Which MI technique involves acknowledging the patient's right to choose their own behavior?
Show answer →Emphasizing Personal Autonomy. Example: It's really up to you what you decide to do about your drinking. Rationale: This reduces resistance by removing the power struggle. In the trauma setting, patients often feel out of control; restoring autonomy can increase the likelihood of engagement. Distractor: Avoid persuading or shaming.
A trauma patient arrives at a hospital's urgent care center located on the hospital campus. Does EMTALA apply to this encounter, and what defines the hospital property boundary?
Show answer →Yes, EMTALA applies. Under current regulations, EMTALA covers the Dedicated Emergency Department and any hospital property within 250 yards of the main buildings (the 250-yard rule). This includes parking lots, sidewalks, and driveways. If a patient presents with a potential emergency anywhere in this zone, the hospital must provide an MSE. Exam Tip: BCEN may use scenarios where a patient collapses in the parking lot. The hospital staff must respond and provide an MSE/stabilization under EMTALA, even if the patient is not yet in the building.
A trauma patient with a severe TBI (GCS 3) is being considered for withdrawal of life-sustaining treatment. According to CMS and TJC standards, when must the Organ Procurement Organization (OPO) be notified?
Show answer →The OPO must be notified for all imminent deaths, defined as a GCS <4-5 (on or off sedation) or when withdrawal of life support is being discussed, PRIOR to the actual withdrawal. Clinical Pearl: The nurse's role is notification, not solicitation. Only OPO-trained personnel should approach the family regarding donation. BCEN Strategy: Look for imminent death triggers (GCS threshold or plan for terminal weaning) as the correct time for notification.
A patient with a suspected basilar skull fracture complains of a salty/metallic taste in their throat. What does this symptom suggest to the trauma nurse?
Show answer →Post-nasal CSF rhinorrhea. CSF draining down the posterior pharynx often tastes salty or metallic. BCEN Tip: This is a subjective assessment finding that should prompt immediate investigation for a CSF leak, even if no overt drainage is visible from the nares. Instruct the patient NOT to blow their nose, as this can increase intracranial pressure or introduce air (pneumocephalus).
When performing the swinging flashlight test, you note that the pupil appears to dilate when the light is moved from the unaffected eye to the injured eye. What is this finding, and what does it indicate?
Show answer →Marcus Gunn Pupil or Relative Afferent Pupillary Defect (RAPD). It indicates an injury to the Afferent pathway (CN II, Optic Nerve) or severe retinal damage. The brain perceives less light through the injured nerve, so the consensual response (constriction) is weaker than the baseline state, making the pupil appear to dilate. BCEN Tip: This is common in orbital floor fractures or direct globe trauma. It contrasts with CN III (efferent) lesions where the pupil is fixed and dilated regardless of which eye is stimulated.
A trauma patient has been on a long backboard (LBB) for 2 hours. What specific physiological changes and complications should the TCRN anticipate as a result of this prolonged immobilization?
Show answer →Complications include: 1) Pressure injury (can begin within 30 mins), 2) Respiratory compromise (decreased vital capacity/forced expiratory volume), 3) Increased intracranial pressure (venous obstruction from collars), and 4) Pain leading to unnecessary imaging. SMR should transition from a LBB to a firm, flat hospital bed ASAP. Exam Tip: BCEN emphasizes that the LBB is a transfer device, not a treatment or immobilization device.
A patient with a severe TBI (GCS 6) has a suspected C-spine injury. How should the TCRN balance Spinal Motion Restriction (SMR) with the need to manage Intracranial Pressure (ICP)?
Show answer →Use manual stabilization or a loosened/split-collar during procedures. Ensure the C-collar is not too tight, as it can obstruct venous return via the jugular veins, significantly increasing ICP. Maintain neutral head position and HOB at 30 degrees (using reverse Trendelenburg if the spine is not yet cleared). Exam Tip: Airway and ICP management always take priority over rigid immobilization in the TBI patient. Rigid collars are common culprits in refractory ICP elevation.
A trauma patient's admission ECG shows a new Right Bundle Branch Block (RBBB) following blunt chest trauma. What is the clinical significance of this finding regarding BCI diagnostics?
Show answer →RBBB is the most common conduction abnormality associated with BCI because the right ventricle is the most anterior portion of the heart and most susceptible to blunt force. Any new conduction defect (RBBB, 1st-degree block) mandates admission for continuous cardiac monitoring (usually 24-48 hours). BCEN Distractor: Do not assume RBBB is benign in trauma; it is a primary indicator of myocardial contusion.
In a patient with suspected BCI and persistent hypotension refractory to fluids, what diagnostic finding on a Transesophageal Echocardiogram (TEE) would most specifically indicate a traumatic septal rupture?
Show answer →Visualization of a left-to-right shunt and a new holosystolic murmur on physical exam. Septal rupture usually involves the muscular portion of the septum. TEE is more sensitive than TTE for identifying septal defects and valvular injuries (like traumatic mitral regurgitation) in the acute trauma phase. Clinical Pearl: Septal rupture may not manifest immediately; serial exams are key.
According to BCEN standards, what specific wound characteristics classify a wound as tetanus-prone or dirty?
Show answer →Wounds are tetanus-prone if they are: 1. >6 hours old 2. >1 cm deep 3. Result from high-velocity missiles (gunshots) 4. Result from crush, frostbite, or burns 5. Contaminated with soil, feces, saliva, or dirt 6. Contain denuded or devitalized tissue. Clinical Pearl: These wounds require a booster if the last dose was >5 years ago.
17–20 correct
Strong. Move to the hardest material and timed drilling rather than re-reading topics you already know.
12–16 correct
A normal mid-prep score. Work the topics you missed one at a time — the topic pages below are built for exactly that.
Under 12 correct
Early days. Go topic by topic instead of taking more mixed tests: pick your weakest area below and drill it until the questions feel routine.
Management questions
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Pathology questions
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Professional questions
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Assessment questions
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Procedures questions
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Try 30 free TCRN cards firstIt is 20 real question-and-answer cards from our 1050-card TCRN deck, mixed across topics so it feels like the breadth of the exam. It is not the official BCEN exam and is not endorsed by BCEN — for the official outline and any official practice material, go to BCEN directly.
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