And Correct Answers
1.What is the effect of hypothermia on the oxyhemoglobin dissociation curve -
correct answer-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 answer-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 answer-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 answer- 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 answer-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 answer-
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
answer-A 52-year-old diabetic male with a partial-thickness burn to 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 answer-
Placental abruption The findings of abdominal pain, elevated fundal height, dark
bloody show, and fetal distress are most consistent with placental abruption.
A 20-year-old male presents to the ED complaining of severe lower abdominal