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TNCC Trauma Nursing Core Course 11th Edition ENA Test Bank: Verified Pass Correct 100%, Exams of Nursing

Western Sydney University (WSU)Nursing

A series of multiple-choice questions and answers related to the tncc (trauma nursing core course) 11th edition ena test bank. It covers various aspects of trauma nursing, including airway management, shock management, burn assessment, and more. The questions are designed to test knowledge and understanding of key concepts and procedures in trauma care.

Typology: Exams

2024/2025

Available from 02/05/2025

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TNCC TRAUMA NURSING CORE
COURSE 11TH EDITION ENA TEST
BANK VERIFIED PASS CORRECT
100%
1. Which of the following requires you to develop a plan of action,
initiate the plan, reassess the plan as care for the patient moves
forward, and adjust the plan as the patient's condition or circumstances
change?
A. Principles of PHTLS
B. The Golden Period
C. The XABCDE assessment
D. Critical thinking process - ansQuestion 1: D
To help achieve the PHTLS goals, you will apply your critical thinking skills in
the field. Critical thinking in medicine is a process in which the healthcare
practitioner assesses the situation, the patient, and the resources available
and uses the information to decide on and provide the best care for the
patient.
1. You and your partner are responding to a call for a 2-year-old patient
with a burn injury to the hand. He has a visible burn to the left hand,
ending at the level above the wrist, red color, and wet in appearance.
What type of burn do you suspect the patient has sustained?
A. Superficial (first degree)
B. Partial thickness (second degree)
C. Full thickness (third degree)
D. Subdermal (fourth degree) - ansQuestion 1: B
Scald burns are the most common burns seen in the pediatric population
ages 1 to 5 years. Scalds are partial thickness burns. The dermal layer is
damaged, and blisters are present or popped. It is also the most painful type
of burn.
1. You are called to the scene of a possible mass casualty motor vehicle
collision on the highway. Once you arrive on scene, what is your first
priority?
A. Immediately begin triaging patients.
B. Treat the patient with the most visible blood loss.
C. Determine the need for additional resources.
D. Assess the scene and ensure it is safe. - ansQuestion 1: D
Ensure safety for responders, bystanders, and patient(s). The first
consideration when approaching any scene is the safety of all emergency
responders. When EMS personnel become victims, they not only can no
longer assist others, but also add to the number of patients.
1. You are called to the scene of an explosion and fire at a chemical plant
where you find multiple casualties.Triage has begun. Your first patient is a
40-year-old man who was near the source of the explosion. He is
unconscious and has extensive injuries.
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Download TNCC Trauma Nursing Core Course 11th Edition ENA Test Bank: Verified Pass Correct 100% and more Exams Nursing in PDF only on Docsity!

COURSE 11TH EDITION ENA TEST

BANK VERIFIED PASS CORRECT

  1. Which of the following requires you to develop a plan of action, initiate the plan, reassess the plan as care for the patient moves forward, and adjust the plan as the patient's condition or circumstances change? A. Principles of PHTLS B. The Golden Period C. The XABCDE assessment D. Critical thinking process - ansQuestion 1: D To help achieve the PHTLS goals, you will apply your critical thinking skills in the field. Critical thinking in medicine is a process in which the healthcare practitioner assesses the situation, the patient, and the resources available and uses the information to decide on and provide the best care for the patient.
  2. You and your partner are responding to a call for a 2-year-old patient with a burn injury to the hand. He has a visible burn to the left hand, ending at the level above the wrist, red color, and wet in appearance. What type of burn do you suspect the patient has sustained? A. Superficial (first degree) B. Partial thickness (second degree) C. Full thickness (third degree) D. Subdermal (fourth degree) - ansQuestion 1: B Scald burns are the most common burns seen in the pediatric population ages 1 to 5 years. Scalds are partial thickness burns. The dermal layer is damaged, and blisters are present or popped. It is also the most painful type of burn.
  3. You are called to the scene of a possible mass casualty motor vehicle collision on the highway. Once you arrive on scene, what is your first priority? A. Immediately begin triaging patients. B. Treat the patient with the most visible blood loss. C. Determine the need for additional resources. D. Assess the scene and ensure it is safe. - ansQuestion 1: D Ensure safety for responders, bystanders, and patient(s). The first consideration when approaching any scene is the safety of all emergency responders. When EMS personnel become victims, they not only can no longer assist others, but also add to the number of patients.
  4. You are called to the scene of an explosion and fire at a chemical plant where you find multiple casualties.Triage has begun. Your first patient is a 40-year-old man who was near the source of the explosion. He is unconscious and has extensive injuries.

COURSE 11TH EDITION ENA TEST

BANK VERIFIED PASS CORRECT

You^ 100% note gurgling respirations. Why should you use the trauma jaw thrust

maneuver first when dealing with a trauma patient? A. It's an easy technique that always works to open the airway. B. It allows you to open the airway with little or no movement of the head and cervical spine. C. Other techniques and interventions don't work as well. D. It can relieve a variety of anatomic airway obstructions in patients who are breathing spontaneously. - ansQuestion 1: B Manual maneuvers like the trauma jaw thrust or chin lift are always the first airway maneuver you should make when treating a trauma patient. In patients with suspected head, neck, orfacial trauma, the cervical spine is maintained in a neutral in-line position.The trauma jaw thrust maneuver allows you to open the airway with little or no movement of the head and cervical spine.

  1. You are responding to a call for 25-year-old, fit and healthy female who fell off a mountain bike. Upon arrival, you find the patient walking around. She is alert but complaining of pain in her clavicle and on her right side when she inhales. You notice that her helmet is split in two. What is the first thing you need to do? A. Complete a review of the ABCs. B. Check motor and sensory function. C. Perform manual in-line stabilization. D. Place her on a backboard. - ansQuestion 1: C Because there's a possibility of spinal injury, you should bring the patient's head into a neutral in-line position.
  2. You have been performing ongoing management on a 35-year-old female patient who sustained thoracic trauma when a car hit her as she crossed the street. Originally, your electronic monitoring devices all produce results consistent with your patient's clinical condition. However, en route the trauma center, the monitors start to differ from your patient's current clinical condition each time you reassess. How should you handle this situation? A. Treat the patient's condition, not the monitor results. B. Continue to reassess the patient and record the results for the trauma center. C. Treat your patient based on the test results. D. Stop testing and wait until you arrive at the trauma center for them to perform an assessment. - ansQuestion 1: A If there are inconsistent data from electronic monitoring devices, reassess to be sure the monitor matches the patient's current clinical condition. However, it is most important to treat the patient, not the monitor, so use other signs and symptoms of potential patient deterioration.

COURSE 11TH EDITION ENA TEST

BANK VERIFIED PASS CORRECT

100% 2. A trauma patient from the highway incident is holding her right arm, and

you note a significant amount of blood steadily flowing from a long gash. This is an example of what type of hemorrhage? A. Capillary bleeding B. Venous bleeding C. Arterial bleeding D. Road rash - ansQuestion 2: B Venous bleeding typically results in a steady flow of dark red blood.

  1. During primary survey, you find the following: . LOC: alert and oriented; speaking in full sentences . GCS: 15 . Airway: good air entry to bases . Breathing: bilateral . Circulation: skin warm, flushed, dry . Pulse rate: 112 bpm, strong andregular . BP: 90/42 mm Hg . Pain: Patient complains of severe pain at clavicle site and pain on inspiration at site of possible fractured ribs. No other injuries detected. What is your next step? A. Apply a cervical collar and in-line immobilization device. B. Treat for hypovolemic shock. C. Apply an arm sling for the clavicle injury. D. Administer pain medication. - ansQuestion 2: A Although the patient's GCS is normal, she does have a distracting injury, and the state of her helmet indicates possible spinal compression/flexion, so you should immobilize the patient.
  2. The patient becomes apneic. You suspect he has a cervical injury. Which type of airway should you use? A. Supraglottic airway B. Blind nasotracheal intubation C. Oropharyngeal airway D. Surgical airway - ansQuestion 2: A The supraglottic airway's greatest advantage is that it can be inserted independent of the patient's position, which may be especially important in trauma patients with high suspicion of cervical injury.
  3. The patient's care giver is a babysitter who reports the child was crawling on the counter and placed his hand in a pot of water that was boiling on the stove. She is applying ice to the burn and the child is shivering. What is your next step? A. Administer analgesia for pain. B. Cover the patient with a blanket to stop the shivering.

COURSE 11TH EDITION ENA TEST

BANK VERIFIED PASS CORRECT

100% C. Start IV for fluid resuscitation.

D. Stop the burning process and remove the ice pack. - ansQuestion 2: D A common error that results in damage to the zone of stasis is the application of ice by a bystander or prehospital care practitioner. When ice is applied to a burn, the patient will experience some reduction in pain; however, the pain relief will be at the expense of additional tissue destruction.

  1. The patient's respiration improves markedly, but he remains confused. He has an absent radial pulse, and his carotid pulse is fast and thready. Your partner asks if he can let the compression go to put in an IV. How should you respond? A. "Oh yes, that's a great idea!" B. "Yes, but we have to immobilize him first" C. "Take a blood pressure first to see if he needs an IV." D. "No, keep the pressure and let's get out of here!" - ansQuestion 2: D This patient is likely in decompensated shock with internal bleeding, so rapid transport is the next priority. You should maintain pressure on the wound, because having massive external bleeding start up again is the last thing you want in this situation.
  2. Upon examination, you find the patient responsive to your presence, although she is clearly confused. Motor response shows reduced pain response but normal flexion. What's her GCS score? A. 15 B. 12 C. 10 D. 8 - ansQuestion 2: B Eye opening: 4; verbal response: 4; motor response: 4 = 12
  3. When using the XABCDE assessment, which of the following takes precedence over all other actions? A. Controlling severe bleeding from a limb or other compressible site B. Airway stabilization and assessing circulatory status C. Exposing the body to allow a thorough evaluation D. Ensuring adequate breathing - ansQuestion 2: A The "X" placed before "ABCDE" in the primary survey refers to the need to address exsanguinating hemorrhage immediately after establishing scene safety and before addressing airway. Severe exsanguinating hemorrhage, particularly arterial bleeding, has the potential to lead to loss of total or near total blood volume in a relatively short period of time.
  4. You are responding to a call to an MVC involving one patient. When you perform your primary survey, you find a patent airway, but abnormalities with breathing and

COURSE 11TH EDITION ENA TEST

BANK VERIFIED PASS CORRECT

100% C. Tourniquet

D. Occlusive dressing - ansQuestion 3: A With venous bleeds, direct pressure isusually sufficient to stop the flow.

  1. When securing a patient to a backboard, which body part should you secure first? A. Head B. Torso C. Legs D. Pelvis - ansQuestion 3: B When immobilizing a patient, you should secure the torso first, then the head, the legs, and the pelvis.
  2. Which of the following is the basis on which a patient's chance of survival is maximized? A. Preferences B. Phases C. Principles D. Transport - ansQuestion 3: C The science of medicine provides the principles of medical care. Simply stated, principles define the duties required of the prehospital care practitioner in optimizing patient survival and outcome.
  3. While en route to the hospital, you manage to put an 18-gauge IV in the right arm. Your patient is still confused, and you still have no radial pulse. Your next move is to: A. give 1-L fluid bolus. B. give one 250-mL fluid bolus, and then stop. C. give fluid until you get a radial pulse. D. administer TXA. - ansQuestion 3: C Now is the time to titrate IV fluids to restore tissue perfusion. Giving 1 liter blindly could overshoot your target pressure and reinforce internal bleeding. TXA is not a priority, although it can run parallel to fluids.
  4. Why might it be more difficult to deal with an airway obstruction in a child? A. Children have longer tracheas. B. Children have larger heads and tongues so there is a greater potential for airway obstruction. C. Children have smaller heads, so there is less room to clear the obstruction. D. A child's epiglottis is smaller and stiffer than an adult's. - ansQuestion 3: B Children have larger heads and tongues as compared to an adult so there is a greater potential for airway obstruction in a pediatric patient. You must pay special attention to the proper positioning of a pediatric patient to maintain a patent airway.

COURSE 11TH EDITION ENA TEST

BANK VERIFIED PASS CORRECT

  1. You are oxygenating a pediatric patient using a properly fitted oxygen mask and the "squeeze-release-release" timing technique. As you watch for the rise and fall of the chest, you check end-tidal CO2 (ETCO2) monitoring aiming to maintain what level? A. Between 40 and 45 mm Hg B. Between 30 and 35 mm Hg C. Between 35 and 40 mm Hg D. The level is irrelevant because capnography is inaccurate in pediatric patients. - ansQuestion 3: C The proper level to maintain is between 35 and 40 mm Hg.
  2. You are transporting a 37-year-old male patient with a suspected intraabdominal bleed. His blood pressure is 70/50 mm Hg (MAP 57), and his skin is pale and diaphoretic. How will you manage fluid resuscitation for this patient? A. Aggressively administer IV fluids to compensate for internal blood loss. B. Do not administer IV fluids to patients with intra-abdominal bleeding. C. Obtain the patient's medical records and resuscitate to his normal blood pressure reading. D. Carefully administer IV fluids to raise the patient's systolic blood pressure to between 80 and 90 mm Hg. - ansQuestion 3: D Abdominal trauma represents one of the key situations in which a balanced resuscitation is indicated. Aggressive administration of IV fluid may elevate the patient's blood pressure to levels that will disrupt any clot that has formed and result in recurrence of bleeding that had ceased because of blood clotting and hypotension. Prehospital care practitioners must achieve a delicate balance: maintain a blood pressure that provides perfusion to vital organs without restoring blood pressure to elevated or even normal ranges, which may reinitiate bleeding sites in the abdomen or pelvis. In the absence of TBI, the target systolic blood pressure is 80 to 90 mm Hg (mean arterial pressure of 60 to 65 mmHg).
  3. After 400 mL of lactated Ringer solution, you get a radial pulse and his level of consciousness improves. The monitor shows heart rate 110 beats/minute, blood pressure 85/60mm Hg, SpO2 95%, ventilation rate 25 breaths/minute. What should you do? A. Give an additional 500 mL of lactated Ringer solution. B. Stop fluids and give 2 g of TXA. C. Give TXA and 500 mL of normal saline. D. Give 2 mg of morphine for analgesia. - ansQuestion 4: B The patient does not need more fluids right now. Giving morphine in a shocked patient is a risky move and could lead to dangerous hypotension.

COURSE 11TH EDITION ENA TEST

BANK VERIFIED PASS CORRECT

  1. Which of the following is a goal of the Golden Period? A. Provide written documentation from field care to receiving hospital. B. Expedite the field care and transport of the patient. C. Use a team approach for optimal patient care. D. Use the XABCDE approach to patient assessment. - ansQuestion 4: B One of your most importantresponsibilities as a prehospital carepractitioner is to spend as little time onthe scene as possible and expedite yourfield care and transport of the patient.Studies show that the time from injuryto arrival at the appropriate site fordefinitive care is critical to survival.
  2. Why might you consider early mechanical ventilation via bag-mask device in a geriatric patient? A. Shorter tracheas in geriatric patients create the need for ventilation assistance. B. Laxity of the rib cage makes hyperventilation more likely. C. Geriatric patients have greatly limited physiologic reserve. D. Geriatric patients have a greater alveolar surface area of the lungs. - ansQuestion 4: C Early mechanical ventilation via bag mask device or advanced airway measures should be considered in geriatric trauma patients because of their greatly limited physiologic reserve.
  3. Which of the following signs would be most concerning at this point? A. A drop in systolic blood pressure to 88 mm Hg B. SpO₂ of 93% C. A field GCS motor score of 4 D. Hemiplegia on the left side - ansQuestion 5: A A systolic blood pressure of less than 90 mm Hg indicates secondary brain injury. Her SpO2 is > 90%, and a motor score of 4 is not as concerning.
  4. While attempting to lay the patient supine for spinal motion restriction she becomes increasingly distressed and complains of shortness of breath and difficulty breathing. The fractured clavicle appears to move distally and increases the difficulty of breathing as the patient lies back. What should you do? A. Tip the backboard to a left lateral position. B. Raise the back of the stretcher. C. Let her sit up in a position of comfort. D. Administer morphine. - ansQuestion 5: B Because laying the patient supine increases the risk of airway/ventilation problems, raising the back of the stretchers slightly fundamentally maintains spinal alignment while reducing the ventilation issues.

COURSE 11TH EDITION ENA TEST

BANK VERIFIED PASS CORRECT

  1. You now perform a secondary survey. You notice a sternotomy scar. Your patient tells you he is on oral clopidogrel since he had a coronary artery bypass graft 2 years ago. Is this information useful? A. No, he should stop talking and breathe. B. Yes, he should see a cardiologist once in the local hospital. C. Yes, he will need platelets and a heart surgeon ASAP. D. Yes, you should raise his blood pressure up to 130 mm Hg systolic. - ansQuestion 5: C Because he is on clopidogrel, his platelets are out of order for at least 5 days, so he will require urgent platelet transfusion.
  2. According to the Monro-Kellie doctrine, what happens to the brain when it is still in a compensated state after a TBI? A. CSF, ICP, heart rate, and blood pressure are still within normal range. B. CSF increases, ICP decreases, heart rate increases, and blood pressure decreases. C. CSF and blood volume decrease, while heart rate and blood pressure are still within normál range. D. CSF decreases, ICP increases, heart rate decreases, and blood pressure increases.
  • ansQuestion 6: C In a compensated state, CSF and blood volume decrease, while heart rate and blood pressure are still within normal range. therapy is now suggested for fluid resuscitation to replace patient losses, including administering PRBCs, plasma, and platelets. - ansCOMPONENT THERAPY ch. 5, p. 45 , which can occur in resuscitation, is a common IATROGENIC cause of INCREASED intrathoracic pressure resulting in COMPRESSION of the heart and DECREASED cardiac output. - ansHYPERVENTILATION ch. 7, p. 74 55% of spinal injuries occur to which part of spine? - anscervical ch. 13, p. 179 A rapid, thready pulse may indicate (a. ), and an irregular pulse may warn of potential (b. ). - ansa. HYPOVOLEMIA b. CARDIAC DYSFUNCTION ch. 5, p. 45

COURSE 11TH EDITION ENA TEST

BANK VERIFIED PASS CORRECT

100% AORTIC DISRUPTION - ansAssessment findings

  • Fractures of sternum, first or second rib or scapula
  • CARDIAC MURMURS
  • BACK, CHEST PAIN
  • UNEQUAL EXTREMITY PULSE STRENGTH or BLOOD PRESSURE (Significantly greater in upper extremities)
  • HYPOTENSION
  • TACHYCARDIA
  • SKIN CHANGES: diaphoresis, pallor, cyanosis
  • PHARAPLEGIA (due to disruption of spinal perfusion from aortic injury)
  • Radiograph findings include- left hemothorax, right-sided tracheal deviation, widened mediastinum Interventions
  • Prepare for surgery or angiography
  • Consider massive transfusion protocol ch. 11, p. 146 Are the lumen contents of the small bowel considered sterile? What is the pH? - ansneutral pH, and sterile ch. 12, p. 164 As ICP rises, CPP , resulting in cerebral ischemia, hypoxemia, and lethal secondary insult. - ansDECREASES Ch. 9, p. 109 As shock progresses, primary goal of the body is to maintain perfusion to vital organs. Sympathetic stimulation has little effect on the cerebral and coronary vessels since they are capable of autoregulation. Cerebral autoregulation maintains a constant... - anscerebral vascular blood flow as long as the MAP is maintained between 50-150... when autoregulation in the brain fails, perfusion becomes dependent solely on pressure. ch. 7, p. 78 Assess pupils for... - ansEquality, shape, and reactivity (PERRL) ch. 5, p. 45

COURSE 11TH EDITION ENA TEST

BANK VERIFIED PASS CORRECT

100% Assessment findings for MILD, MODERATE, and SEVERE TRAUMATIC BRAIN

INJURY INCLUDE: - ansMILD

  • GCS 13- 15
  • Brief (<30 min) LOC
  • POST-TRAUMATIC AMNESIA < 24 hours
  • No change on neuron aging studies MODERATE
  • GCS score 9- 12
  • Wide variety of symptoms, including ALTERATIONS IN CONSCIOUSNESS, CONFUSION, AMNESIA, and FOCAL NEUROLOGICAL DEFICITS
  • May deteriorate to severe head injury over time SEVERE
  • GCS score <
  • Significant alterations in consciousness
  • ABNORMAL PUPILLARY RESPONSE
  • ABNORMAL POSTURING Ch. 9, p. 115 Assessment findings for renal injuries include - ans- Turner sign (bruising by 11th and 12th ribs)
  • Hematuria
  • Frank tenderness, costovertebral angle tenderness, palpable flank mass
  • Structural damage or leakage of contrast on intravenous pyelogram (IVP)
  • If patient hemodyanmically unstable for CT, a single-infusion IVP can be performed at bedside followed by complete study once patient is stable
  • Positive urine dipstick for microscopic blood or leukocyte esterase
  • Abnormal or elevated BUN and creatinine 90% of injuries are minor. Anticipate nephrology consultation in more severe injures; surgical repair is required within 12 hours to salvage an ischemic kidney ch. 12, p. 167 Assessment findings of a CHRONIC SUBDURAL HEMATOMA - ans- ALTERED or STEADY DECLINE IN LOC
  • HEADACHE
  • LOSS OF MEMORY or ALTERED REASONING
  • MOTOR DEFICIT: CONTRALATERAL HEMIPARESIS, HEMIPLEGIA, OR ABNORMAL MOTOR POSTURING OR ATAXIA

COURSE 11TH EDITION ENA TEST

BANK VERIFIED PASS CORRECT

100% Ch. 9, p. 115

Assessment findings of a INTRACEREBRAL HEMATOMA - ans- PROGRESSIVE, RAPID DECLINE IN LOC

  • HEADACHE
  • SIGNS OF INCREASING ICP
  • PUPIL ABNORMALITIES
  • CONTRALATERAL HEMIPARESIS
  • HEMIPLEGIA
  • ABNORMAL POSTURING Ch. 9, p. 114 Assessment findings of an ACUTE SUBDURAL HEMATOMA - ans- SEVERE HEADACHE
  • CHANGES IN LOC
  • IPSILATERAL DILATED or NONREACTIVE PUPIL
  • CONTRALATERAL HEMIPARESIS Ch. 9, p. 114 Assessment findings of DIFFUSE AXONAL INJURY - ans- UNCONSCIOUSNESS Mild DAI lasts 6-24 hrs Severe DAI lasts weeks to months
  • INCREASED ICP
  • ABNORMAL POSTURING
  • HTN (systolic BP between 140-160)
  • HYPERTHERMIA (104-105 F)
  • EXCESSIVE SWEATING
  • MILD TO SEVERE MEMORY LOSS; COGNITIVE, BEHAVIORAL, and INTELLECTUAL DEFICITS Ch. 9, p. 116 AXIAL LOADING - ansetiology/cause- direct force transmitted along the length of vertebral column rest of injury- deformity of vertebral column, secondary edema of spinal cord resulting in neurologic effects example- diver striking head on bottom of pool

COURSE 11TH EDITION ENA TEST

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100% ch. 13, p. 179

Because calcium is a vital part of the clotting casade, hypocalcemia, as a result of a massive transfusion, can actually worsen hypovolemic shock by...

  • ansPermitting continued bleeding Signs of hypocalemia include- dysrhythmias, muscle tremors, and seizures ch. 7, p. 81 BLUNT ESOPHAGEAL INJURY - ansInjury to esophagus, rare, results form blunt trauma Assessment findings include
  • AIR in MEDIASTINUM with possible widening
  • CONCURRENT LEFT PNEUMOTHORAX or HEMOTHORAX
  • ESOPHAGEAL MATTER IN CHEST TUBE
  • SUBCUTANEOUS EMPHYSEMA Interventions
  • Prepare for surgery Ch. 11, p. 143 Brown-squared syndrome - ansContralateral loss of pain and temperature sensation and ipsilateral paralysis with reduced touch sensation ch. 13, p. 182 CARDIAC TAMPONADE - ansAssessment findings Beck's Triad- HYPOTENSION, MUFFLED HEART SOUNDS, DISTENDED NECK VEINS
  • CHEST PAIN
  • TACHYCARDIA
  • DYSPNEA
  • CYANOSIS
  • Pulsus paradoxus greater than 10 mm Hg Interventions
  • Prepare for pericardial decompression
  • 3 to 4 cm incision made just left of xiphoid process

COURSE 11TH EDITION ENA TEST

BANK VERIFIED PASS CORRECT

100% S: Suggest alternatives and seek agreement

C: State consequences in terms of impact on performance goals Purpose- used in conflict management; paraphrasing the other person's comments is an important technique that should be done throughout the DESC script. Following discussion of consequences, team members should work towards consensus. p. 7 Components of SBAR and its purpose - ansS: Situation B: Background A: Assessment R: Recommendation Purpose- to provide framework for communication amount members of the healthcare team p. 7 Compression may occur from the effects of chemical substances and can cause.. - ansEdema, restricting or obstructing the airways, oxygenation, and ventilation. This can result from aspiration of liquids or inhalation of powder or noxious gas. ch. 4, p. 33- 34 Compression strength refers to the tissue's ability to: - ansResist crush force

  • Compression injuries to organs occur when the organs are crushed from surrounding internal organs or structures such as a seatbelt worn up across the abdomen causing compression of the small bowel or a fracture to the lumbar spine p. 27 Consider ABGs. A decreased level of consciousness may be an indicator of... - ansDecreased cerebral perfusion, hypoventilation, or acid-base imbalance. ch. 5, p. 46 Define biomechanics - ansThe general study of forces and their effects p. 25 Define kinematics - ansThe study of energy transfer as it applies to identifying actual or intentional injuries

COURSE 11TH EDITION ENA TEST

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100% p. 25

Define mechanism of injury (MOI) - ansHow external energy forces in the environment are transferred to the body p. 25 Define trauma - ans- Trauma is injury to living tissue caused by extrinsic agent

  • Regardless of MOI, trauma creates stressors that exceed the tissue's or organ's ability to compensate p. 9 Depending on the motorcycle design and rider positioning, the lower extremities can collide with the handlebars, resulting in... - ansFemur and pelvis fractures and hip dislocations p. 31 Describe ANAPHYLACTIC SHOCK - ansResults from release of inflammatory mediators (e.g. histamine) which contracts bronchial smooth muscles and increases vascular permeability and vasodilation. ch. 7, p. 75 Describe DISTRIBUTIVE SHOCK - ansOccurs as result of maldistribution of an adequate circulating blood volume with loss of vascular tone or increased permeability. ch. 7, p. 75 Describe energy forms - ans- Mechanical (energy transfer from one object to another in the form of motion)
    • Thermal (energy transfer of heat in environment to the host)
  • Chemical (heat energy transfer from active chemical substances such as chlorine, drain cleaner, acids, or plants)
  • Electrical (energy transfer from light socket, power lines, or lightning)
  • Radiant (energy transfer from blast sound waves, radioactivity such as a nuclear facility, or rays of the sun) p. 26