TNCC Exam 8th Edition Study Questions And
Answers – Best Scored!!
1.What is the effect of hypothermia on the oxyhemoglobin dissociation curve
Correct
... [Show More] ans - Hemoglobin does not readily release oxygen for use by the
tissues A shift to the left occurs in an environment of low metabolic demand
(hypothermia, hypocapnia, alkalosis), increasing hemoglobin's affinity for
oxygen.
EMS arrives with the intoxicated driver of a car involved in a motor vehicle
crash. EMS reports significant damage to the driver's side of the car. The
patient is asking to have the cervical collar removed. When it is appropriate
to remove the cervical collar? Correct ans - After a physical
examination if the patient has no radiologic abnormalities on CT A CT is
recommended for spinal clearance in an impaired patient.
The nurse is caring for a 120 kg male brought in after a warehouse fire and is
calculating the patient's fluid resuscitation needs. He has painful red
blistering to the entire surface of both upper extremities and superficial
burns to the anterior chest. Using the modified Lund and Browder chart to
calculate the total body surface area burned, how much IV fluid would be
administered in the first 8 hours? Correct ans - 2280 mL Both upper
arms = 8%, both lower arms = 6%, and both hands = 5%, yielding 19 * 2 *
120 = 4560 mL. Half of the total is equal to 2280 mL. Superficial burns are
not included in the TBSA calculation for fluid resuscitation.
Which of the following is an expected finding in a patient with a tube
thoracostomy connected to a chest drainage system Correct ans -
Fluctuation in the water seal chamber Fluctuation in the water seal chamber
indicates the tube is placed correctly in the pleural space.
.A 35-year-old male presents with facial trauma after being struck in the face
with a baseball. A teardrop-shaped left pupil is noted on exam. What type of
injury is suspected? Correct ans - Globe rupture A teardrop-shaped
pupil suggests a globe rupture.
.A patient with a complete spinal cord injury in neurogenic shock will
demonstrate hypotension and which other clinical signs? Correct ans -
Bradycardia and absent motor function below the level of injury Patients with
a complete spinal cord injury will have absent motor function below the level
of the lesion. They become hypotensive and bradycardic due to loss of
autonomic nervous system function.
Which of the following patients warrants referral to a burn center?
Correct ans - A 52-year-old diabetic male with a partial-thickness burn to
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the left lower leg This patient has a 7% TBSA burn with a preexisting medical
history that could complicate management, prolong recovery, or affect
mortality.
You are caring for a patient who was involved in a motor vehicle crash and is
32 weeks pregnant. Findings of your secondary survey include abdominal
pain on palpation, fundal height at the costal margin, and some dark bloody
show. Varying accelerations and decelerations are noted on
cardiotocography. These findings are most consistent with which of the
following? Correct ans - Placental abruption The findings of abdominal
pain, elevated fundal height, dark bloody show, and fetal distress are most
consistent with placental abruption. [Show Less]