Anatomy & Physiology
How many bones are in the head?
22 bones
This section of the nervous system controls a wide variety of activities, including most voluntary motor functions and conscious thought
Cerebrum
What are the two types of peripheral nerves?
sensory and motor
What is "whiplash" also known as?
coup-countercoup
What is called when a patient has loss of sensation and motor function after an injury called?
paralysis
What are the different sections of the spinal cord?
Cervical, Thoracic, Lumbar, Sacral, & Coccyx
Coordinates balance and body movements
Cerebellum
These transmit information directly to or from the brain and perform special functions in the head and face, including sight, smell, taste, hearing, and facial expressions
12 cranial nerves
A blunt blow to the head or face can cause this
Concussion
Many divers receive this type of spinal injury
compression
What is the name of the fluid that surrounds the brain and spinal cord?
Cerebrospinal fluid (CSF)
Controls most functions necessary for life
Brain Stem
How many pairs of spinal nerves are there?
31
This is an injury directly to the brain tissue itself and may cause permanent damage
contusion
Hanging can cause this type of injury to the spine
Distraction
The nervous system is divided into two anatomic parts, what are they?
Central and Peripheral Nervous System
This item is produced in a chamber inside the brain called the third ventricle
CSF
These provide a connection between the sensory and motor nerves
Connecting Nerves
Accumulation of blood beneath the dura mater but outside the brain
Subdural Hematoma
When a patient has an injury to C2-C3 area, what should an EMT be concerned about?
Inability to breath
What is the difference between sympathetic and parasympathetic?
Sympathetic- Fight or Flight
Parasympathetic- Rest & Digest
The CNS is protected by these 3 layers
Dura Mater
Arachnoid Mater
Pia Mater
What is the section of the spinal located at the L2-3 area called? (it is also known as the horse's tail)
Cauda Equina
Increase BP, bradycardia, and cheyne-stokes respirations
These signs and symptoms are known as what?
Cushing's Reflex (Triad)
hypotension, poor temperature regulation, and vessel dilation are signs and symptoms of what?
Neurogenic Shock