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Cardiac death vs. brain death

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doi: 10.1097/01.NME.0000461306.30989.28
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INSTRUCTIONS Cardiac death vs. brain death

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Cardiac death vs. brain death

GENERAL PURPOSE: To provide information on the criteria for cardiac death and brain death. LEARNING OBJECTIVES: After reading the article and taking this test, you should be able to: 1. Select criteria for brain death. 2. Identify the signs and treatment of cardiac arrest.

  1. Brain death is
    1. the absence of all heart function.
    2. not a sign of actual death unless accompanied by cardiac arrest.
    3. the irreversible absence of all brain activity.
  2. Irregular, gasping breaths by a patient in cardiac arrest is termed
    1. tachypnea.
    2. Kussmaul respirations.
    3. agonal breathing.
  3. Which rhythm doesn't coincide with cardiac arrest?
    1. ventricular tachycardia without a pulse
    2. sinus bradycardia with a pulse
    3. pulseless electrical activity
  4. Which statement is correct regarding cardiac arrest?
    1. Most cases are irreversible, even if caught early.
    2. Brain cells start to die after 1 to 2 minutes.
    3. Only carotid pulses are present.
  5. A patient who's brain dead may be
    1. in a coma.
    2. in a persistent vegetative state.
    3. in cardiac arrest.
  6. In brain death, the patient may continue to have
    1. respiratory function.
    2. a heartbeat.
    3. reflexes.
  7. What test is almost always performed to determine brain death?
    1. a computed tomography scan
    2. an EEG
    3. magnetic resonance imaging
  8. In the cold caloric test, the examiner is looking for
    1. nystagmus.
    2. a cough.
    3. blinking.
  9. Which test is negative if the patient's eyes stay fixed when the head is turned to the side?
    1. doll's eye reflex
    2. cold caloric test
    3. corneal reflex test
  10. The cough reflex is elicited by
    1. instilling saline down the endotracheal tube.
    2. inserting a suction catheter to the carina.
    3. placing the patient on a ventilator.
  11. The corneal reflex tests the eye's
    1. response to a foreign object.
    2. movement.
    3. response to light.
  12. In a patient with brain death, hypotension often results from
    1. peripheral vasodilation.
    2. diabetes mellitus.
    3. systemic vasoconstriction.
  13. A patient who's brain dead may
    1. respond only to deep pain.
    2. have uncontrollable muscle spasms.
    3. respond only to stimulation of certain cranial nerves.
  14. In the absence of hypotension, an apnea test should be conducted for at least
    1. 8 minutes.
    2. 10 minutes.
    3. 12 minutes.
  15. Organ donations need to be harvested
    1. after cardiac arrest.
    2. before brain death.
    3. while there's still circulation.
  16. CPR includes
    1. manual defibrillation.
    2. rescue breathing.
    3. advanced airway management.
  17. Nurses certified in ACLS are expected to
    1. test for brain death.
    2. perform an EEG.
    3. assess for causes of cardiac arrest.
  18. One brain death criterion is a GCS of
    1. 3.
    2. 7.
    3. 15.
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