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NYC 130
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West Coast EMT 5
Laatste content NYC
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 atrioventr...
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NYC•West Coast EMT
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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 atrioventr...
Signs and symptoms of a sympathomimetic drug overdose include: 
a. slurred speech 
b. tachycardia 
c. hypothermia 
d. hypotension b. tachycardia 
Your priority in caring for a patient with a surface contact poisoning is to: 
a. obtain and maintain a patent airway 
b. avoid contamination yourself 
c. decontaminate the patient's skin 
d. move the patient to a safe area b. avoid contaminating yourself 
A 25-year-old man overdosed on heroin and is unresponsive. His breathing is slow and shallow 
and...
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NYC•West Coast EMT
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Signs and symptoms of a sympathomimetic drug overdose include: 
a. slurred speech 
b. tachycardia 
c. hypothermia 
d. hypotension b. tachycardia 
Your priority in caring for a patient with a surface contact poisoning is to: 
a. obtain and maintain a patent airway 
b. avoid contamination yourself 
c. decontaminate the patient's skin 
d. move the patient to a safe area b. avoid contaminating yourself 
A 25-year-old man overdosed on heroin and is unresponsive. His breathing is slow and shallow 
and...
West Coast EMT Block 4 Study Guide 
Rated A+ 
Know what cavitation is Results from rapid changes in tissue and fluid pressure that occur 
with the passage of the projectile, can result in serious injury to internal organs distant to the 
actual path of the bullet. 
Know Newton's First Law of Motion The first law states that objects at rest tend to stay at 
rest and objects in motion tend to stay in motion unless acted upon by an outside force. 
Kinetic Energy The energy of a moving object. 
Refl...
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NYC•West Coast EMT
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West Coast EMT Block 4 Study Guide 
Rated A+ 
Know what cavitation is Results from rapid changes in tissue and fluid pressure that occur 
with the passage of the projectile, can result in serious injury to internal organs distant to the 
actual path of the bullet. 
Know Newton's First Law of Motion The first law states that objects at rest tend to stay at 
rest and objects in motion tend to stay in motion unless acted upon by an outside force. 
Kinetic Energy The energy of a moving object. 
Refl...