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West Coast EMT Block 2 Study Guide, West Coast EMT Block #2 Exam, West Coast EMT Block #2 Exam, West Coast EMT Block 2 Exam, West Coast EMT Block 2 Exam 2024/2025
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West Coast EMT Block 2 Study Guide, West Coast EMT Block #2 Exam, West Coast EMT Block #2 Exam, West Coast EMT Block 2 Exam, West Coast EMT Block 2 Exam 2024/2025 electrical conduction of the heart - ️️ The flow of electrical current causes smooth, coordinated heart contractions; they produ...

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  • August 16, 2024
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  • 2024/2025
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©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Thursday, August 1, 2024 11:09 AM




West Coast EMT Block 2 Study Guide, West Coast EMT Block #2
Exam, West Coast EMT Block #2 Exam, West Coast EMT Block 2
Exam, West Coast EMT Block 2 Exam 2024/2025



electrical conduction of the heart - ✔️✔️The flow of electrical current causes smooth,

coordinated heart contractions; they produce pumping action of the heart


Depolarization - ✔️✔️electrical charges on the surface of the muscle cell change from

positive to negative


Repolarization - ✔️✔️the heart returns to its resting state, and the positive charge is

restored to the surface


Where do the electrical impulses begin? - ✔️✔️Electrical impulses begin high in the atria

in the sinoatrial node, travel to the atrioventricular node and bundle of His, and then

move through the Purkinje fibers to the ventricles


Three types of muscle - ✔️✔️skeletal, cardiac, smooth


Skeletal muscle - ✔️✔️Voluntary muscle/Striated muscle (characteristic stripes):

Movement of the body like waving or walking/ Skeletal muscle is attached to the bones

of the skeleton


Smooth muscle - ✔️✔️Found within blood vessels and intestines




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,©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Thursday, August 1, 2024 11:09 AM



Cardiac muscle - ✔️✔️found only within the heart and is able to create and conduct its

own electrical impulses


Ligaments - ✔️✔️Connect bone to bone


Tendons - ✔️✔️Ropelike structures that connect muscles to bones


Cartilage - ✔️✔️Smooth connective tissue that covers the ends of bones at mobile joints


Anatomy of lower airway: delivers oxygen to alveoli - ✔️✔️Trachea (windpipe): conduit for

air entry into the lungs; divides at the carina into two main stem bronchi, right and left




Bronchioles: dilate and constrict as oxygen passes through them




Small bronchioles connect to alveoli: site of oxygen and carbon dioxide exchange




Thyroid cartilage (adam's apple): forms the anterior part of the larynx




Cricoid cartilage: immediately below the thyroid




Cricothyroid membrane




2

,©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Thursday, August 1, 2024 11:09 AM



Anatomy of upper airway - ✔️✔️Nose, Mouth (Oral Cavity), Jaw (mandible), Tongue,

Pharynx, and Larynx (Voice Box)


The Larynx - ✔️✔️Does not tolerate any foreign or liquid material and any contact will

result in a violent episode of coughing


The nose and mouth lead to the? - ✔️✔️Oropharynx (throat)


The pharynx is composed of the? - ✔️✔️nasopharynx, oropharynx, laryngopharynx


The nostrils lead to the? - ✔️✔️Nasopharynx (above the roof of the mouth and soft

palate)


The mouth leads to the? - ✔️✔️oropharynx


Two passages that are located at the bottom of the pharynx are? - ✔️✔️the trachea

(windpipe) and the esophagus (carries food to the digestive system)


The two lungs are held in place by - ✔️✔️trachea, arteries and veins, pulmonary

ligaments


Right lung's lobes - ✔️✔️The right lung has upper, middle, and lower lobes


Left lung's lobes - ✔️✔️The left lung has upper and lower lobes


Anatomy of the lung - ✔️✔️


Coronal plane - ✔️✔️front and back




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, ©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Thursday, August 1, 2024 11:09 AM



Transverse (axial) plane - ✔️✔️Top and bottom


Saggital (lateral) - ✔️✔️Left and right


Midsagittal (midline) - ✔️✔️Left and right (equal halves)


Blood flow through the heart - ✔️✔️Super Vena Cava --> Rt atrium --> Tricuspid --> Rt

ventricle --> Pulmonic valve --> Lungs --> Lt atrium --> Mitral valve --> Lt ventricle -->

aortic valve --> aorta --> Body




The right (slower pressure) side of the heart pumps blood from the body through the

lungs




The left (high pressure) side of the heart pumps oxygen-rich blood to the rest of the

body


Arteries - ✔️✔️carry blood away from the heart


Veins - ✔️✔️Blood vessels that carry oxygen-poor blood back to the heart


Central pulses - ✔️✔️Carotid artery pulse (at the upper portion of the neck)




Femoral artery pulse (in the groin)


Peripheral pulses - ✔️✔️Radial artery pulse (at the wrist at the base of the thumb)



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