TNCC Exam 8th edition study With
complete solution Newest
1.What is the effect of hypothermia on the oxyhemoglobin dissociation curve -
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Hemoglobin does not readily release oxygen for use by the tissues A shift to the left
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occurs in an environment of low metabolic demand (hypothermia, hypocapnia, alkalosis),
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increasing hemoglobin's affinity for oxygen.
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EMS arrives with the intoxicated driver of a car involved in a motor vehicle crash. EMS
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reports significant damage to the driver's side of the car. The patient is asking to have the
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cervical collar removed. When it is appropriate to remove the cervical collar? - After a
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physical examination if the patient has no radiologic abnormalities on CT A CT is
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recommended for spinal clearance in an impaired patient.
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The nurse is caring for a 120 kg male brought in after a warehouse fire and is calculating
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the patient's fluid resuscitation needs. He has painful red blistering to the entire surface of
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both upper extremities and superficial burns to the anterior chest. Using the modified
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Lund and Browder chart to calculate the total body surface area burned, how much IV
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fluid would be administered in the first 8 hours? - 2280 mL Both upper arms = 8%, both
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lower arms = 6%, and both hands = 5%, yielding 19 * 2 * 120 = 4560 mL. Half of the total is
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equal to 2280 mL. Superficial burns are not included in the TBSA calculation for fluid
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resuscitation.
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Which of the following is an expected finding in a patient with a tube thoracostomy
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connected to a chest drainage system - Fluctuation in the water seal chamber
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Fluctuation in the water seal chamber indicates the tube is placed correctly in the pleural
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space.
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.A 35-year-old male presents with facial trauma after being struck in the face with a
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baseball. A teardrop-shaped left pupil is noted on exam. What type of injury is suspected?
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- Globe rupture A teardrop-shaped pupil suggests a globe rupture.
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.A patient with a complete spinal cord injury in neurogenic shock will demonstrate
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hypotension and which other clinical signs? - Bradycardia and absent motor function
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below the level of injury Patients with a complete spinal cord injury will have absent motor
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function below the level of the lesion. They become hypotensive and bradycardic due to
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loss of autonomic nervous system function.
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Which of the following patients warrants referral to a burn center? - A 52-year-old
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diabetic male with a partial-thickness burn to the left lower leg This patient has a 7%
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TBSA burn with a preexisting medical history that could complicate management, prolong
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recovery, or affect mortality.
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, You are caring for a patient who was involved in a motor vehicle crash and is 32 weeks
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pregnant. Findings of your secondary survey include abdominal pain on palpation, fundal
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height at the costal margin, and some dark bloody show. Varying accelerations and
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decelerations are noted on cardiotocography. These findings are most consistent with
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which of the following? - Placental abruption The findings of abdominal pain, elevated
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fundal height, dark bloody show, and fetal distress are most consistent with placental
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abruption.
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A 20-year-old male presents to the ED complaining of severe lower abdominal pain after
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landing hard on the bicycle cross bars while performing an aerial BMX maneuver.
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Secondary assessment reveals lower abdominal tenderness and scrotal ecchymosis.
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Which of the following orders would the nurse question? - Straight catheter for urine
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sample Insertion of a urinary catheter is contraindicated if urethral transection is
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suspected. Signs and symptoms of urethral injury include blood at the meatus, perineal
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ecchymosis, scrotal ecchymosis, and a high-riding or non-palpable prostate.
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Which of the following occurs during the third impact of a motor vehicle crash? - The
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aorta is torn at its attachment with the ligamentum arteriosum This occurs during the third
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impact.
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All of these are considered a critical communication point in trauma care EXCEPT which
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of the following? - Defusings A defusing is part of critical incident stress management but
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is not considered a critical communication point in trauma care.
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Which of the following mnemonics can help the nurse prioritize care for a trauma patient
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with massive uncontrolled hemorrhage? - MARCH The MARCH mnemonic stands for
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massive hemorrhage, airway, respiration, circulation, and head injury/hypothermia. The
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MARCH mnemonic recognizes uncontrolled hemorrhage as the major cause of
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preventable death after injury.
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You are treating a 27-year-old male in respiratory distress who was involved in a house
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fire. Calculating total body surface area (TBSA) burned is deferred due to the need for
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emergent intubation. At what rate should you begin fluid resuscitation? - 500 mL/hour
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Prior to calculating TBSA, this is the recommended starting point for fluid resuscitation for
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patients 14 years of age and older
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A 49-year-old restrained driver involved in a motor vehicle collision presents to the trauma
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center complaining of abdominal, pelvic, and bilateral lower extremity pain. Vital signs are
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stable. The nurse can anticipate all of these after a negative FAST exam EXCEPT which
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of the following? - Diagnostic peritoneal lavage Diagnostic peritoneal lavage is indicated
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for hemodynamically unstable patients or if FAST and CT are not available.
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An elderly patient with a history of anticoagulant use presents after a fall at home today.
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She denies any loss of consciousness. She has a hematoma to her forehead and
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complains of headache, dizziness, and nausea. What is the most likely cause of her
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symptoms? - Subdural hematoma Subdural hematomas are characterized by nausea,
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