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EMT-B Bradey V11 - Chapter 29
Injuries to the head and spine
26
Health Care
Undergraduate 1
03/10/2010

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Term
What is the autonomic nervous system?
Definition
The part of the nervous system that controls the involuntary functions p751
Term
What is the cranium?
Definition
The bony structure made up of the forehead, top, back, and upper sides of the skull. p751
Term
What is the mandible?
Definition
The lower jawbone. p751
Term
What is the temporal bone?
Definition
The bone that forms part of the side of the skull and the floor of the cranial cavity. Split into left and right temporal bones. p751
Term
What is the temporomandibular joint?
Definition
The movable joint formed between the mandible and the temporal bone. Also called the TMJ. p751
Term
What are the maxillae?
Definition
The two fused bones forming the upper jaw. p751
Term
What are the nasal bones?
Definition
The bones that form the upper third, or bridge, of the nose. p751
Term
What is the malar bone?
Definition
The cheek bone, also called the zygomatic bone. p751
Term
What are messages from the body to the brain carried by?
Definition
Sensory nerves. p750
Term
What are messages from the brain to the muscles carried on?
Definition
motor nerves. p750
Term
Which side of the body would a nerve on the left side of the brain control?
Definition
The right side. As the nerve exits the brain but prior to entering the spinal column they cross over to the other side of the body. p750
Term
What are some of the functions that the involuntary nervous system control? (5)
Definition
Heartbeat, breathing, control of the dilation/constriction of the blood vessels, control of the sphincter muscle closing the bladder and bowel, and digestion. p750
Term
What are the major components of the nervous system?
Definition
The brain and spinal column. p749
Term
What is the nervous system?
Definition
provides overall control of thought, sensation, and the voluntary and involuntary motor functions of the body. p749
Term
What is CNS?
Definition
Central nervous system. Made up of the brain and spinal column.
Term
What is the peripheral nervous system?
Definition
The nerves that enter and exit the spinal cord between the verterbrae and the 12 pairs of cranial nerves that travel between the brain and organs without passing through the spinal cord, and all the other moror and sensory nerves.
Term
What is CSF?
Definition
Cerebrospinal Fluid. It's the fluid that surrounds the brain and spinal cord. p752
Term
What is the spinous process?
Definition
The bony bump that you feel along the center of a persons back. Each bump is a single vertebra. p752
Term
What are the 5 area of the spine?
Definition
Cervical - 7 Vertebra
Thoratic - 12 Vertebra
Lumbar - 5 Vertebra
Sacral - 5 Vertebra
Coccygeal - 4 Vertebra
The sacral and coccygeal are fused together to form the tailbone. p752
Term
What is different when describing an open or closed wound to the head vs rest of the body?
Definition
A head wound isn't considered an open fracture unless the the cranium is no longer intact. p752
Term
What are the (2) classifications of a brain injury? Hint its not a concussion or contusion.
Definition
Direct brain injury - Where the brain has been subjected to laceration, punctured or bruised by broken bones or foreign objects.
Indirect - They can occur in open or closed skull injuries. The brain has been subjected to a shock from the impact on the skull. Typical indirect injuries include concussions and contusions. p753
Term
What are a few sign/symptoms of a brain concussion?
Definition
Pt feeling groggy, headache, LOC, possibly amnesia. p753
Term
What are the 3 types of hematoma's that can occur in the brain?
Definition
Subdural - Collection of blood between the dura and the brain.
Epidural - blood between the dura and the skull.
Interacerebral - blood pools within the brain. p753
Term
What is the differance between a coup and counterecoup injury to the brain?
Definition
A coup is a contusion on the brain on the same side as the blow.
A countrecoup is a contusion on the brain on the opposite side of the blow p753
Term
What are the layers in order from the exterior of the head of the meninges? Bonus ** what are meninges?
Definition
Skin, bone, epidural space, dura, subdural space, arachnoid, subarachniod, pia matter, intercerebral. p754
Term
What is the Glasgow Coma scale and what are the 3 sections of the scale.
Definition
It's used in the case of trauma for neurological assessment.
The sections are:
Eye opening - 1-4
Verbal response - 1-5
Motor response - 1-6
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