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41 Cards in this Set
- Front
- Back
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Kinetics
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is a branch of physics dealing wiht forces of objects in motion
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Inertia, newtons first law
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tendency of an object to remain at rest or in motion unless acted upon by an external force
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motion
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the process of changing place, movement
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Kinetic energy
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the energy an object has while it is in motion,
I is related to the objects mass and velocity |
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Velocity
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the rate of motion in a particular direction in relation to time
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Kinetic Energy formula
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weight x speed squared
divided by 2 |
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Force
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mass x acceleration
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the five types of vehicle impacts
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frontal, lateral, rotational
rear-end, and rollover |
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caliber
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the size of a bullet
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yaw
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swing or wobble
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drage
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the forces acting on a progectile
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cavitation
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the outward motion of tissue due to t a projecdtiles passage resulting in a temporary cavity and vacuum
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Pelvic fracture accounts for how much blood loss
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up to 2000 ml
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femoral fractures account for how much blood loss
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up to 1500
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Tibial/ fibular and humeral fractures may account for as much as how much blood loss
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up to 500 ml
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what is the most commonly fractured bone in the human body
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clavicle
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what kind of fracture is most likely going to be an open fracture
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Tibia
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what are the risks in a joint fracture
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this area is very vascular and inervated much more than a shaft fracture
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what is the most common cause of trauma death
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head trauma
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what is the usuall pressure in the brain
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10 mmhg
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increased CO2 causes the cerebral arteries to do what
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dilate
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decreased CO2 in the cerebral arteries causes what
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vasoconstriction
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what is the cushings triad
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high blood pressure
irregular respirations slow pulse |
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what should be the ventilation rate and end tidal CO2 range for patients with signs fo brain herniation
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20 breaths per min
30 to 35 for ETCO2 |
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the minimum blood pressure necessary to maintain cerbral perfusion in the adult patient with serious head injury is
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90 mmhg
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Why is Atropine a desirable adjunct to rapid sequence intubation
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It reduces vagal stimulation
It reduces airway secretions It reduces fasciculations It helps maintain heart rate during intubation |
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where does the spinal cord end
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between L1 and L2
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How many bones in the cervicle spine
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7
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how many bones in the thoracic vertebrae
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12
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how many bones in the lumbar spine
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5
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how many bones in the sacrum
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5
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how many bones in the coccyx
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3 to 5 fused bones
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the collar region inervates
what area of the spine |
C3
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the nipple line inervates what area of the spine
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T4
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the umbilicus inervates what area of the spine
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T10
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Central cord syndrome
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related to hyperextension injuries
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Anterior cord syndrome
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damage due to bone fragments or pressure on the arteries that perfuse the anterior portion of the cord
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Brown Sequard syndrome
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penetrating injury that affects one side of the cord
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more than half of all spinal cord injuries are found where
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cervical spine
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A hemothorax can hold up to what volume of blood from a hemothorax
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1500 ml
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extensive pulmonary contusion can result in how much blood loss
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1500ml
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