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West Coast EMT Block 2 Study Guide Exam Questions and Answers 100% Pass

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West Coast EMT Block 2 Study Guide Exam Questions and Answers 100% Pass 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 ...

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  • October 23, 2024
  • 21
  • 2024/2025
  • Exam (elaborations)
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  • EMT
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JOSHCLAY
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
West Coast EMT Block 2 Study Guide

Exam Questions and Answers 100%

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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

,©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
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

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

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Thyroid cartilage (adam's apple): forms the anterior part of the larynx



Cricoid cartilage: immediately below the thyroid



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)

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