Head Injury And Icp

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Quizzes Created: 1 | Total Attempts: 1,664
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  • 1/12 Questions

    Cerebral perfusion pressure is the difference between mean arterial pressure and intracranial pressure.

    • TRUE
    • FALSE
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About This Quiz

This quiz covers key aspects of head injury management, focusing on ICP dynamics, ventilator settings, and clinical signs of increased ICP.

Injury Quizzes & Trivia

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  • 2. 

    Weaning should not be considered until respiratory depressant therapy is no longer required.

    • TRUE

    • FALSE

    Correct Answer
    A. TRUE
    Explanation
    The statement is true because weaning, the process of gradually reducing and eventually stopping respiratory depressant therapy, should only be considered once the patient no longer requires this type of therapy. This is because respiratory depressant therapy can have significant side effects and risks, so it is important to ensure that the patient's respiratory function is stable and no longer reliant on this type of treatment before attempting to wean them off it.

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  • 3. 

    It is OK to suction a head injury patient as it does not do him/her any harm.

    • TRUE

    • FALSE

    Correct Answer
    A. FALSE
    Explanation
    Suctioning a head injury patient can actually cause harm. Head injuries can result in increased intracranial pressure, and suctioning can further increase this pressure, potentially leading to worsening of the injury. Therefore, it is not okay to suction a head injury patient as it can be harmful.

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  • 4. 

    Apnea test is conducted to diagnose:

    • CENTRAL APNEA

    • OBSTRUCTIVE APNEA

    • EUPNEA

    • BRAIN DEATH

    Correct Answer
    A. BRAIN DEATH
    Explanation
    The apnea test is conducted to diagnose brain death. Brain death refers to the irreversible loss of all brain function, including the brainstem. During the apnea test, the patient's ventilator is disconnected to assess if there is any respiratory effort. If there is no respiratory effort after a specified period of time, it indicates brain death. This test helps confirm the absence of brain function and is an important step in determining brain death.

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  • 5. 

    Increases in PaCO2 and PaO2 result in increases in ICP,

    • TRUE

    • FALSE

    Correct Answer
    A. FALSE
    Explanation
    increases in PaCO2 and decreases in PaO2 increase ICP

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  • 6. 

    When initially ventilating patients with head injury FIO2 should be set to

    • 45%

    • 60%

    • 70%

    • 30%

    • 100%

    Correct Answer
    A. 100%
    Explanation
    When initially ventilating patients with head injury, it is recommended to set the FIO2 (Fraction of Inspired Oxygen) to 100%. This is because head injuries can often lead to decreased oxygenation and ventilation, and providing a higher concentration of oxygen helps to ensure adequate oxygen supply to the brain and other vital organs. Additionally, maintaining a higher FIO2 can help compensate for any potential respiratory compromise or difficulty in oxygen exchange that may occur due to the head injury.

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  • 7. 

    Some head injured patients develop a form of ARDS called __________  __________ edema.

    Correct Answer
    neurogenic pulmonary
    Explanation
    Head injured patients can develop a form of acute respiratory distress syndrome (ARDS) known as neurogenic pulmonary edema. This condition occurs due to the damage to the central nervous system, specifically the brain, which leads to an abnormal increase in sympathetic nervous system activity. This increased activity causes constriction of blood vessels in the lungs, leading to increased fluid accumulation and inflammation in the lung tissue. As a result, patients experience difficulty breathing, low oxygen levels, and increased lung permeability, which are characteristic features of ARDS.

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  • 8. 

    When initially ventilating patients with head injury the Vt should be set to_________ predicted body weight.l

    • 10-14 mL/kg

    • 8-12 mL/kg

    • 12-14 mL/kg

    • 5-10 mL/kg

    Correct Answer
    A. 8-12 mL/kg
    Explanation
    When initially ventilating patients with head injury, the Vt (tidal volume) should be set to 8-12 mL/kg of predicted body weight. Tidal volume refers to the amount of air that is delivered with each breath during mechanical ventilation. It is important to set the appropriate tidal volume to prevent further injury to the brain and minimize the risk of increased intracranial pressure. The range of 8-12 mL/kg is considered optimal for this patient population.

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  • 9. 

    What mode of ventilation is used in initial mechanical ventilator settings for a head injury patient?

    • SIMV

    • IMV

    • PEEP

    • A/C

    Correct Answer
    A. A/C
    Explanation
    A/C stands for Assist-Control ventilation, which is the mode of ventilation used in initial mechanical ventilator settings for a head injury patient. In this mode, the ventilator delivers a set tidal volume at a set rate, and the patient can trigger additional breaths. This mode ensures that the patient receives a set number of breaths per minute and provides full support for their breathing efforts. It is commonly used in critical care settings to maintain adequate ventilation and oxygenation in patients with compromised respiratory function.

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  • 10. 

    Management of acute head injury involves both __________ and ___________management.

    Correct Answer
    hemodynamic and respiratory
    Explanation
    Management of acute head injury involves both hemodynamic and respiratory management. This is because head injuries can lead to changes in blood pressure, heart rate, and oxygen levels, which can further worsen the condition. Hemodynamic management focuses on maintaining stable blood pressure and heart rate, while respiratory management involves ensuring adequate oxygenation and ventilation. Both aspects are crucial in preventing secondary brain injury and optimizing patient outcomes.

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  • 11. 

    Please describe noncardiogenic pulmonary edema.

  • 12. 

    What are the clinical findings in patients with increased ICP?

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 11, 2008
    Quiz Created by
    Vdvorkin
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