Anatomy
Deoxygenated blood from the abdomen, pelvis, and lower extremities is returned to the right atrium via the
inferior vena cava
Nitroglycerin relieves cardiac-related chest pain by
dilating the coronary arteries and improving cardiac blood flow
Solid abdominal organs include the
spleen, kidneys, and pancreas
When the speed of a motor vehicle doubles, the amount of kinetic energy
quadruples
The extremity lift would NOT be appropriate to use on a patient
with a spinal injury or injured extremity
Hemoglobin is a molecule that attaches to ___________ and carries oxygen
erythrocytes
The purpose of defibrillation is to
stop the chaotic, disorganized contraction of the cardiac cells
Epinephrine is indicated for patients with an allergic reaction when
wheezing and hypotension are present
Force acting over a distance is the definition of
work
The __________ area is where incoming ambulances meet and await further instructions at the scene of a multiple-casualty incident.
staging
The diaphragm and intercostal muscles contract during
inhalation
Ventricular tachycardia causes hypotension because
the left ventricle does not adequately fill with blood
Ketone production is the result of
fat metabolization when glucose is unavailable
Following a blunt injury to the head, a 22-year-old female is confused and complains of a severe headache and nausea. On the basis of these signs and symptoms, you should be MOST concerned with the possibility of
intracranial bleeding
At a very large incident, the __________ section is responsible for managing the tactical operations usually handled by the incident commander on routine EMS calls.
operations
Worn-out blood cells, foreign substances, and bacteria are filtered from the blood by the
spleen
When an electrical impulse reaches the AV node, it is slowed for a brief period of time so that
blood can pass from the atria to the ventricles
The most basic functions of the body, such as breathing, blood pressure, and swallowing, are controlled by the
brain stem
What type of the injuries would MOST likely occur as a direct result of the third collision in a motor vehicle crash
organ damage, aortic tearing, ect.
Which type of stress reaction occurs when an EMT is exposed to many insignificant stressors over a period of several months or years?
Cumulative stress reaction
The muscle tissue of the heart is called the
myocardium
The right coronary artery supplies blood to the
right ventricle and inferior wall of the left ventricle
Respiratory Alkalosis is a condition that occurs when
blood acidity is reduced by excessive breathing
Air bags are designed to
decrease the severity of deceleration injuries
The term used when individual units or different organizations make independent, and often inefficient, decisions regarding an incident is called
freelancing