2025/2026 | QUESTION BANK | VERIFIED QUESTIONS AND
ANSWERS GRADED A+ | PREHOSPITAL ASSESSMENT &
EMERGENCY RESPONSE STUDY GUIDE | GUARANTEED
SUCCESS
lungs - CORRECT ANSWER -the organs where exchange of atmospheric
oxygen and waste carbon dioxide take place
bronchi - CORRECT ANSWER -the two large sets of branches that come off
the trachea and enter the lungs. There are right and left bronchi
alveoli - CORRECT ANSWER -the microscopic sacs of the lungs where gas
exchange with the bloodstream takes place
diaphragm - CORRECT ANSWER -the muscular structure that divides the
chest cavity from the abdominal cavity. A major muscle of respiration
inhalation - CORRECT ANSWER -an active process in which the intercostal
muscles and the diaphragm contract, expanding the size of the chest cavity and
causing air to flow into the lungs
exhalation - CORRECT ANSWER -a passive process in which the intercostal
muscles and the diaphragm relax, causing the chest cavity to decrease in size
and air to flow out of the lungs
cardiovascular system/circulatory system - CORRECT ANSWER -the system
made up of the heart and the blood vessels
,atria - CORRECT ANSWER -the two upper chambers of the heart, there is a
right (receives unoxygenated blood returning from the body) and the left (which
sends oxygen-rich blood to the body)
ventricles - CORRECT ANSWER -the two lower chambers of the heart. There
is a right (which sends oxygen poor blood to the lungs) and the left (sends
oxygen rich blood to the body)
venae cavae - CORRECT ANSWER -the superior vena cava and the inferior
vena cava. Return blood from the body to the right atrium
valve - CORRECT ANSWER -a structure that opens and closes to permit the
flow of a fluid in only one direction
cardiac conduction system - CORRECT ANSWER -a system of specialized
muscle tissues which conduct electrical impulses that stimulate the heart to beat
artery - CORRECT ANSWER -any blood vessel carrying blood away from the
heart
coronary arteries - CORRECT ANSWER -blood vessels that supply the
muscle of the heart
aorta - CORRECT ANSWER -the largest artery in the body. transports blood
from the left ventricle to begin systemic circulation
pulmonary arteries - CORRECT ANSWER -vessels that carry blood from the
right ventricle of the heart to the lungs
carotid arteries - CORRECT ANSWER -large neck arteries, one on each side
of the neck, that carry blood blood from the heart to the head
,femoral artery - CORRECT ANSWER -the major artery supplying the leg
brachial artery - CORRECT ANSWER -artery of the upper arm; site of the
pulse checked during infant CPR
radial artery - CORRECT ANSWER -artery of the lower arm. it is felt when
taking the pulse at the wrist
posterior tibial artery - CORRECT ANSWER -artery supplying the foot,
behind the medial ankle
dorsalis pedis artery - CORRECT ANSWER -artery supplying the foot, lateral
to the large tendon of the big toe
arteriole - CORRECT ANSWER -the smallest kind of artery
capillary - CORRECT ANSWER -a thin-walled, microscopic blood vessel
where the oxygen/carbon dioxide and nutrient/waste exchange with the body's
cells takes place
venule - CORRECT ANSWER -the smallest kind of vein
vein - CORRECT ANSWER -any blood vessel returning blood to the heart
pulmonary veins - CORRECT ANSWER -the vessels that carry oxygenated
blood from the lungs to the left atrium of the heart
Designated agent - CORRECT ANSWER -an EMT or other person authorized
by a medical director to give medications and provide emergency car.
, Off-Line medical direction - CORRECT ANSWER -consists of standing
orders issued by the medical director that allow EMT's to give certain
medications or perform certain procedures without speaking to the medical
director or another physician
On-line medical direction - CORRECT ANSWER -consists of orders from the
on-duty physician given directly to an EMT in the field by radio or telephone
Medical director - CORRECT ANSWER -a physician who assumes ultimate
responsibility for the patient care aspects of the EMS system
911 System - CORRECT ANSWER -a system for telephone access to report
emergencies. A dispatcher takes the information and alerts EMS or the fire or
police department as needed
protocols - CORRECT ANSWER -lists of steps, such as assessments and
interventions, to be taken in different situations
quality improvement - CORRECT ANSWER -a process of continuous self-
review with the purpose of identifying and correcting aspects of the system that
require improvement
standing orders - CORRECT ANSWER -a policy or protocol issued by a
medical director that authorizes EMT's and others to perform particular skills in
certain situations
medial - CORRECT ANSWER -toward the midline of the body
lateral - CORRECT ANSWER -to the side, away from the midline of the body
bilateral - CORRECT ANSWER -on both sides