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Exam (elaborations)

HOSA EMT Exam Questions and Answers 100% Solved

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HOSA EMT Exam Questions and Answers 100% Solved atrium - Each of the two upper chambers of the heart that receives blood that comes into the heart ventricles - Aorta - The large arterial trunk that carries blood from the heart to be distributed by branch arteries through the body. main func...

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  • October 25, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • HOSA
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JOSHCLAY
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
HOSA EMT Exam Questions and

Answers 100% Solved


atrium - ✔✔Each of the two upper chambers of the heart that receives

blood that comes into the heart

ventricles - ✔✔

Aorta - ✔✔The large arterial trunk that carries blood from the heart to be

distributed by branch arteries through the body.

main function of upper and lower heart chambers - ✔✔

blood flow pathway - ✔✔vena cava, right atrium, tricuspid valve, right

ventricle, pulmonic valve, pulmonic artery, lungs for oxygenation.



pulmonic veins, left atrium, mitral valve, left ventricle, aortic valve, aorta

and to the body.

Automaticity - ✔✔The ability of the heart to generate and conduct electrical

impulses on its own.

Autonomic - ✔✔controls self-regulated action of internal organs and glands

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Sympathetic Nervous System (SNS) - ✔✔The component of the autonomic

nervous system that responds to stressful situations by initiating the fight-

or-flight response. Affects both the atria and the ventricles by increasing

heart rate. conduction, and irritability.

Myocardium - ✔✔thick middle muscle layer of the heart; pumps blood

through the circulatory system

stroke volume - ✔✔The amount of blood ejected from the heart in one

contraction.

dilation - ✔✔widening, stretching, expanding

coronary arteries - ✔✔blood vessels that branch from the aorta and carry

oxygen-rich blood to the heart muscle

aortic valve - ✔✔The semilunar valve separating the aorta from the left

ventricle that prevents blood from flowing back into the left ventricle.

cardiac output - ✔✔The volume of blood ejected from the left side of the

heart in one minute. (heart rate x stroke volume)

signs and symptoms of cardiogenic shock - ✔✔Hypotension, pulmonary

edema, possible past cardiac, ALOC. chest pain

irregular weak pulse/low BP

cyanosis

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