Questions and Answers
The spinal cord is encased in and protected by the:
Once a cervical collar has been applied to a patient with a possible spinal injury, it should not be removed unless:
When immobilizing a seated patient with a short backboard or vest-style immobilization device, you should apply a cervical collar:
A short backboard or vest-style immobilization device is indicated for patients who:
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The _________ is the best-protected part of the CNS and controls the functions of the cardiac and respiratory systems.
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An epidural hematoma is MOST accurately defined as:
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Rapid deceleration of the head, such as when it impacts the windshield, causes:
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When assessing a patient with a head injury, you note the presence of thin, bloody fluid draining from his right ear. This indicates:
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The central nervous system (CNS) is composed of the:
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When controlling bleeding from a scalp laceration with a suspected underlying skull fracture, you should:
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When the parasympathetic nervous system is activated:
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Which of the following sets of vital signs depicts Cushing's triad?
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The effectiveness of positive-pressure ventilations when treating a head-injured patient can ONLY be determined...
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Study Notes
Spinal Cord and Protection
- The spinal cord is protected by the spinal canal.
- A cervical collar should only be removed if it hinders airway management (ABCs).
Patient Immobilization
- Apply a cervical collar after assessing distal neurovascular functions.
- Short backboards or vest-style devices are suitable for clinically stable patients in a sitting position.
Central Nervous System (CNS)
- The most protected part of the CNS is the brain stem, vital for cardiac and respiratory functions.
- The CNS comprises the brain and spinal cord.
Head Injuries and Hematomas
- An epidural hematoma occurs due to bleeding between the skull and dura mater.
- Rapid head deceleration leads to anterior compression injuries and posterior stretching or tearing.
Assessment of Head Injury
- Thin, bloody fluid from the ear suggests tympanic membrane rupture due to head impact.
- Avoid excessive pressure on scalp lacerations with potential skull fractures.
Nervous System Response
- Activation of the parasympathetic nervous system results in decreased heart rate and dilated blood vessels.
Vital Signs and Cushing's Triad
- Cushing's triad is characterized by elevated blood pressure (190/110 mm Hg), bradycardia (pulse 55 beats/min), and irregular respirations (30 breaths/min).
Ventilation in Head-Injured Patients
- The efficacy of positive-pressure ventilation in head-injured patients can only be determined through appropriate assessment methods.
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Description
Test your knowledge of key concepts from Chapter 26 of the Emergency Medical Technician-Basic (EMTB) curriculum. This quiz focuses on important terms and procedures related to spinal cord protection and immobilization techniques. Prepare effectively for your assessments with these flashcards.
