intercostal muscles contract, elevating the rib cage, diaphragm contracts, pressure in chest decreases
sudden, severe compression of the chest; results in hemorrhage into the sclera of the eye
blood collects in pericardium, fluid leaks in and pushes down on heart decrease in difference between systolic and diastolic blood pressure (pulse pressure)- diastolic will raise, systolic will dive, jugular vein distention
supply the diaphragm
most common sign of significant abdominal bleeding
attach muscle to bone
hold joints together
are held together by tough fibrous structure (capsule)
joints are bathed and lubricated by
occurs in a growth section of child's bone
broken bone caused by disease
bone is broken into two or more fragments
often lacerated or compressed by displaced tibia
fracture of femur can cause loss of blood as much as
red blood cells
bone marrow produces what kind of blood cells
most prominent and easily palpable spinous process is
intracranial bleeding outside of dura and under skull
reacts to stress with flight or fright response
symphatic nervous system
causes body to relax and digest, decrease pulse and respiratory rate
parasymphatic nervous system
10% of persons body weight up to 15lbs.
traction force weight gauge
right lung = 3, left lung = 2
lobes of the lung
exchange of gases in alveoli of lungs
body's ability to move air in and out of chest and lung tissue
loose ability to breath entirely
injuries to C3 and above
lose power to move intercostal muscles, but diaphragm will still contract
injury below C5
31 pairs of spinal nerves, 12 pairs of cranial nerves
two parts of the peripheral nervous system
increased bp, decreased pulse rate, irregular respirations- triad of signs indicate increased cranial pressure; cerebral edema
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