Brain Death Assessment Quiz

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Brain Quizzes & Trivia

Brain death is defined as the irreversible loss of all functions of the brain, including the brainstem. The three essential findings in brain death are coma, absence of brainstem reflexes, and apnoea. Just how well do you understand the legal terms that classify one as brain dead? Take up this quiz and learn more on brain death.


Questions and Answers
  • 1. 

    The legal definition of death by neurologic criteria includes:

    • A.

      Irreversible loss of all functions of the brain

    • B.

      Loss of all functions of the brain stem

    • C.

      Irreversible loss of all functions of the brain including the brain stem

    • D.

      Cessation of cardiac and pulmonary function

    Correct Answer
    A. Irreversible loss of all functions of the brain
    Explanation
    The correct answer is "Irreversible loss of all functions of the brain." This is because the legal definition of death by neurologic criteria requires that all functions of the brain, including the brain stem, are irreversibly lost. This means that there is no brain activity or response, and the person is unable to breathe on their own. The cessation of cardiac and pulmonary function is not sufficient on its own to determine death by neurologic criteria.

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  • 2. 

    Which reflexes which are evaluated during the clinical brain death exam?

    • A.

      Cough

    • B.

      Gag

    • C.

      Spinal Cord

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    During the clinical brain death exam, all of the mentioned reflexes (cough, gag, and spinal cord reflexes) are evaluated. These reflexes help assess the functioning of different parts of the nervous system and can provide valuable information about brain activity. The presence or absence of these reflexes can help determine if brain death has occurred. Therefore, evaluating all of these reflexes is essential in the clinical brain death exam.

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  • 3. 

    True or False:Glasgow Coma Scale represents a patient’s baseline neurologic  function.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The Glasgow Coma Scale is a standardized assessment tool used to evaluate a patient's level of consciousness and neurological function. It measures three components: eye opening, verbal response, and motor response. By assessing these factors, healthcare professionals can determine the severity of a patient's brain injury and monitor their progress over time. Therefore, the Glasgow Coma Scale does represent a patient's baseline neurological function.

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  • 4. 

    True or False:The “cold calorics” test assesses a patient’s temperature regulation ability.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The "cold calorics" test does not assess a patient's temperature regulation ability. Instead, it is a test used to evaluate the function of the vestibular system by stimulating the inner ear with cold water. This test helps determine if there is any damage or dysfunction in the vestibular system, which is responsible for balance and spatial orientation.

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  • 5. 

    The time interval between clinical exams for an adult is generally ______ hours.

    • A.

      Four

    • B.

      Six

    • C.

      Twelve

    • D.

      Twenty Four

    Correct Answer
    B. Six
    Explanation
    The time interval between clinical exams for an adult is generally six hours. This means that an adult should have a clinical exam every six hours. This frequency allows healthcare professionals to closely monitor the patient's condition and make any necessary adjustments to their treatment plan. Regular exams are important to ensure that any changes in the patient's health are detected early and appropriate actions can be taken.

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  • 6. 

    In the brain, temperature regulation occurs in the _________________.

    • A.

      Thalamus

    • B.

      Pituitary gland

    • C.

      Hypothalamus

    • D.

      Cerebral cortex

    Correct Answer
    C. Hypothalamus
    Explanation
    The hypothalamus is responsible for temperature regulation in the brain. It acts as the body's thermostat, monitoring the temperature of the blood and initiating responses to maintain homeostasis. It receives information from temperature receptors throughout the body and sends signals to various organs and systems to adjust body temperature. The hypothalamus can trigger responses such as shivering or sweating to increase or decrease body heat, ensuring that the body stays within a narrow temperature range for optimal functioning.

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  • 7. 

    The loss of ADH can cause __________________, which can compromise donor stability.

    • A.

      Severe hypotension

    • B.

      Prolonged clotting times

    • C.

      Severe hypertension

    • D.

      Diabetes insipidus

    Correct Answer
    D. Diabetes insipidus
    Explanation
    The loss of ADH (antidiuretic hormone) can cause diabetes insipidus, a condition characterized by excessive thirst and urination. ADH plays a crucial role in regulating water balance in the body by controlling the amount of water reabsorbed by the kidneys. When ADH is lost, the kidneys are unable to retain water, leading to excessive urine production and dehydration. This can compromise donor stability as it can result in severe hypotension (low blood pressure) and electrolyte imbalances.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 26, 2010
    Quiz Created by
    Ndiffenderfer
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