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NREMT EMT Advanced (EMT-Advanced) Practice Tests & Test Prep by Exam Edge - Topics


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Understanding what is on the NREMT EMT Advanced exam is crucial step in preparing for the exam. You will need to have an understanding of the testing domain (topics covered) to be sure you are studing the correct information.

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NREMT National Registry of Emergency Medical Technicians EMT/ Advanced Exam Blueprint

Understanding the exact breakdown of the NREMT National Registry of Emergency Medical Technicians EMT/ Advanced test will help you know what to expect and how to most effectively prepare. The NREMT National Registry of Emergency Medical Technicians EMT/ Advanced has multiple-choice questions The exam will be broken down into the sections below:

NREMT National Registry of Emergency Medical Technicians EMT/ Advanced Exam Blueprint
Domain Name % Number of
Questions
Airway, Respiration & Ventilation 17-21% 19
Cardiology & Resuscitation 16-20% 18
Trauma 19-23% 21
Medical/Obstetrics/Gyn 26-30% 29
EMS Ops 12-16% 13

NREMT National Registry of Emergency Medical Technicians EMT/ Advanced - Exam Topics Sample Questions

Which heart structure receives blood from the veins of the body and the heart and pumps oxygen-poor blood to the right ventricle?

Correct Answer:
right atrium


the correct answer to the question is the "right atrium." the right atrium is a crucial component of the heart's structure, primarily responsible for receiving blood that returns from the body and the heart itself. this blood is oxygen-poor, having circulated through the body where oxygen was exchanged for carbon dioxide in the tissues.

once the right atrium receives this deoxygenated blood, it functions as a holding chamber and subsequently pumps it into the right ventricle. the right ventricle then takes on the role of pushing this blood into the pulmonary arteries, which lead to the lungs. in the lungs, the blood is replenished with oxygen and rid of excess carbon dioxide.

it's important to distinguish the roles of the different heart chambers in this context. while the right atrium handles oxygen-poor blood from the body, the left atrium performs a different function. the left atrium receives oxygen-rich blood from the lungs via the pulmonary veins. this oxygenated blood is then sent to the left ventricle, from where it is pumped out to the rest of the body to supply organs and tissues with oxygen.

therefore, the right atrium is the correct answer as it matches the description given in the question, focusing on the reception and transfer of oxygen-poor blood to the right ventricle.

Signals from the inspiratory center stimulate contraction of the diaphragm and intercostal muscles, which increases the volume of the thoracic cavity and lungs. As the volume increases, the pressure of the gases within the cavity does which of the following?

Correct Answer:
decreases with respect to atmospheric pressure
*the correct answer to the question is that as the volume of the thoracic cavity and lungs increases, the pressure of the gases within the cavity decreases with respect to atmospheric pressure. this phenomenon can be explained through the principles of gas behavior and lung mechanics. *firstly, it is important to understand the role of the inspiratory center in the brain. the inspiratory center, located in the medulla oblongata of the brainstem, sends nerve impulses to the muscles involved in breathing, primarily the diaphragm and the intercostal muscles. when these muscles contract, they cause physical changes in the size of the thoracic cavity. *the diaphragm moves downward and flattens, and the intercostal muscles pull the ribs upward and outward. this expansion increases the volume of the thoracic cavity. according to boyle’s law, which states that the pressure of a gas in a closed container is inversely proportional to the volume of the container, when the volume of the thoracic cavity increases, the pressure inside this cavity must decrease if the temperature remains constant. *as the pressure within the lungs (intrapulmonary pressure) drops below the atmospheric pressure (the pressure outside the body), a pressure gradient is created. air flows naturally from regions of higher pressure to regions of lower pressure. therefore, air from the environment enters the lungs through the airways to equalize the pressure inside the lungs with the atmospheric pressure. *this process of air flowing into the lungs is known as inhalation or inspiration. once the inspiratory muscles relax, the thoracic cavity and lungs return to their original size, the volume decreases, intrapulmonary pressure increases, and air is expelled from the lungs, termed exhalation or expiration. *it is critical that the airways remain unobstructed during this process so that air can move freely in and out of the lungs. any obstruction can disrupt the pressure gradient and impede effective breathing. *thus, the decrease in pressure within the thoracic cavity and lungs relative to the atmospheric pressure during inspiration is a fundamental aspect of normal breathing and is essential for the intake of air needed for gas exchange in the lungs.