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EMT-Basic Part 4

Anatomy and Physiology25 CardsCreated 4 months ago

This deck covers key anatomical structures and physiological processes relevant to EMT-Basic training, focusing on the respiratory and cardiovascular systems.

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cricoid cartilage

the ring-structure that forms the lower portion of the larynx
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Key Terms

Term
Definition
cricoid cartilage
the ring-structure that forms the lower portion of the larynx
trachea
the 'windpipe'; the structure that connects the pharynx to the lungs
lungs
the organs where exchange of atmospheric oxygen and waste carbon dioxide take place
bronchi
the two large sets of branches that come off the trachea and enter the lungs. There are right and left bronchi
alveoli
the microscopic sacs of the lungs where gas exchange with the bloodstream takes place
diaphragm
the muscular structure that divides the chest cavity from the abdominal cavity. A major muscle of respiration
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EMT-Basic Part 4
TermDefinition
cricoid cartilage
the ring-structure that forms the lower portion of the larynx
trachea
the 'windpipe'; the structure that connects the pharynx to the lungs
lungs
the organs where exchange of atmospheric oxygen and waste carbon dioxide take place
bronchi
the two large sets of branches that come off the trachea and enter the lungs. There are right and left bronchi
alveoli
the microscopic sacs of the lungs where gas exchange with the bloodstream takes place
diaphragm
the muscular structure that divides the chest cavity from the abdominal cavity. A major muscle of respiration
inhalation
an active process in which the intercostal muscles and the diaphragm contract, expanding the size of the chest cavity and causing air to flow into the lungs
exhalation
a passive process in which the intercostal muscles and the diaphragm relax, causing the chest cavity to decrease in size and air to flow out of the lungs
cardiovascular system/circulatory system
the system made up of the heart and the blood vessels
atria
the two upper chambers of the heart, there is a right (receives unoxygenated blood returning from the body) and the left (which sends oxygen-rich blood to the body)
ventricles
the two lower chambers of the heart. There is a right (which sends oxygen poor blood to the lungs) and the left (sends oxygen rich blood to the body)
venae cavae
the superior vena cava and the inferior vena cava. Return blood from the body to the right atrium
valve
a structure that opens and closes to permit the flow of a fluid in only one direction
cardiac conduction system
a system of specialized muscle tissues which conduct electrical impulses that stimulate the heart to beat
artery
any blood vessel carrying blood away from the heart
coronary arteries
blood vessels that supply the muscle of the heart
aorta
the largest artery in the body. transports blood from the left ventricle to begin systemic circulation
pulmonary arteries
vessels that carry blood from the right ventricle of the heart to the lungs
carotid arteries
large neck arteries, one on each side of the neck, that carry blood blood from the heart to the head
femoral artery
the major artery supplying the leg
brachial artery
artery of the upper arm; site of the pulse checked during infant CPR
radial artery
artery of the lower arm. it is felt when taking the pulse at the wrist
posterior tibial artery
artery supplying the foot, behind the medial ankle
dorsalis pedis artery
artery supplying the foot, lateral to the large tendon of the big toe
arteriole
the smallest kind of artery