EMT Emergency Care 14th Edition Chapter
6 Exam Study Guide.
Acetabulum - answer✔✔the pelvic socket into which the ball at the proximal end of the femur
fits to form the hip joint
acromioclavicular joint - answer✔✔the joint where the acromion and the clavicle meet
acromion process - answer✔✔the highest portion of the shoulder
alveoli - answer✔✔the microscopic sacs of the lungs where gas exchange with the bloodstream
takes place
anatomy - answer✔✔the study of body structure
aorta - answer✔✔the largest artery in the body. It transports blood from the left ventricle to
begin systemic circulation
appendix - answer✔✔a small tube located near the junction of the small and large intestines in
the right lower quadrant of the abdomen, the function of which is not well understood. Its
inflammation, called appendicitis, is a common cause of abdominal pain.
arteriole - answer✔✔the smallest kind of artery
artery - answer✔✔any blood vessel carrying blood away from the heart
atria - answer✔✔the two upper chambers of the heart (right and left)
automaticity - answer✔✔the ability of the heart to generate and conduct electrical impulses on
its own
autonomic nervous system - answer✔✔the division of the peripheral nervous system that
controls involuntary motor functions
bladder - answer✔✔the round saclike organ or the renal system used as a reservoir for urine
blood pressure - answer✔✔the pressure that is exerted by the blood against the walls of blood
vessels
brachial artery - answer✔✔artery of the upper arm; the site of the pulse checked during infant
CPR
mainstem bronchi - answer✔✔The two large sets of branches that come off the trachea and enter
the lungs.
buffer system - answer✔✔a system that helps manage the pH of the body to maintain it at a
normal level
calcaneous - answer✔✔the heel bone
capillary - answer✔✔a thin-walled, microscopic blood vessel where the oxygen/carbon dioxide
and nutrient/waste exchange with the body's cells takes place
cardiac conduction system - answer✔✔a system of specialized muscle tissues that conducts
electrical impulses that stimulate the heart to beat
cardiac muscle - answer✔✔specialized involuntary muscle found only in the heart
cardiovascular system - answer✔✔the system made up of the heart (cardio) and the blood
vessels (vascular); the circulatory system
carotid arteries - answer✔✔the large neck arteries, one on each side of the neck, that carry blood
from the heart to the head
carpals - answer✔✔wrist bones
central nervous system (CNS) - answer✔✔brain and spinal cord
central pulses - answer✔✔the carotid and femoral pulses which can be felt in the central part of
the body
clavicle - answer✔✔the collarbone
coronary arteries - answer✔✔blood vessels that branch from the aorta and carry oxygen-rich
blood to the heart muscle
cranium - answer✔✔the top, back, and sides of the skull
cricoid cartilage - answer✔✔the ring-shaped structure that forms the lower portion of the larynx
dermis - answer✔✔the inner layer of skin, rich in blood vessles and nerves, found beneath the
epidermis
diaphragm - answer✔✔the muscular structure that divides the chest cavity from the abdominal
cavity; a major muscle of respiration
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