Medca EKG Practice/ 58 Questions with
solved answers/ 100% correct!!
A device on the skin that picks up electrical impulses given off by the heart is known as -
-electrode
-The heart is located - -on the left side of the chest
-The body returns oxygen-poor blood to the heart via the - -vena cavae
-In lead l, activity of the heart is being measured from - -the right arm to the left arm
-The human heart weighs approximately - -11 ounces
-What position should the patient be in for an ECG - -supine
-Where is the chest electrode V2 located - -at the fourth intercostal space at the left
margin of the sternum
-Lead l, ll, lll are called - -standard leads
-The right and left atrium are the __________chambers - -receiving
-The atria contains what kind of blood - -both oxygenated and deoxygenated blood
-The __________ valve separates the left ventricle from the aorta - -aortic
-The __________ regulate the flow of blood into and out of the proper chambers - -
valves
-Which electrode is used as a ground reference - -right leg
-The standard ECG consists of how many leads - -12
-The contraction of the heart muscle is cause by the flow of ___________ through the
muscle tissue - -electrical impulse
-The __________ pressure is the pressure inside the arteries during ventricular
contraction; when blood is pumped from the heart to the body - -systolic
-The ECG tracing should be performed in a quiet environment because - -interference
is minimized
-(True or False) The ECG records the actual image of the heart - -false
solved answers/ 100% correct!!
A device on the skin that picks up electrical impulses given off by the heart is known as -
-electrode
-The heart is located - -on the left side of the chest
-The body returns oxygen-poor blood to the heart via the - -vena cavae
-In lead l, activity of the heart is being measured from - -the right arm to the left arm
-The human heart weighs approximately - -11 ounces
-What position should the patient be in for an ECG - -supine
-Where is the chest electrode V2 located - -at the fourth intercostal space at the left
margin of the sternum
-Lead l, ll, lll are called - -standard leads
-The right and left atrium are the __________chambers - -receiving
-The atria contains what kind of blood - -both oxygenated and deoxygenated blood
-The __________ valve separates the left ventricle from the aorta - -aortic
-The __________ regulate the flow of blood into and out of the proper chambers - -
valves
-Which electrode is used as a ground reference - -right leg
-The standard ECG consists of how many leads - -12
-The contraction of the heart muscle is cause by the flow of ___________ through the
muscle tissue - -electrical impulse
-The __________ pressure is the pressure inside the arteries during ventricular
contraction; when blood is pumped from the heart to the body - -systolic
-The ECG tracing should be performed in a quiet environment because - -interference
is minimized
-(True or False) The ECG records the actual image of the heart - -false
