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West Coast EMT Block 2 Study Guide with Complete Solutions

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  • West Coast Emt

©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Thursday, August 1, 2024 11:09 AM 1 West Coast EMT Block 2 Study Guide with Complete Solutions electrical conduction of the heart - ️️ The flow of electrical current causes smooth, coordinated heart contractions; they produce pumping action of the heart ...

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  • August 16, 2024
  • 21
  • 2024/2025
  • Exam (elaborations)
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  • West coast Emt
  • West coast Emt
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OliviaWest
©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Thursday, August 1, 2024 11:09 AM




West Coast EMT Block 2 Study Guide
with Complete Solutions




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



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



Smooth muscle - ✔️✔️Found within blood vessels and intestines


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




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


Cricothyroid membrane


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 - ✔️✔️




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