NWCA EXAM QUESTIONS AND
ANSWERS 2025
the heart is located in the - ANSWERSmediastinum
the valves of the heart are made up of - ANSWERSendocardium
why is cardiac tissue unique - ANSWERSbc it is all fused together, so it acts as one
where is the AV bundle located - ANSWERSat the top of the septum
or
what is a heart murmur - ANSWERSthe sound of faulty action when the valves close
one of the major causes of heart failure is - ANSWERSuntreated high BP
where is the base of the heart located - ANSWERSjust below the 2nd rib
on what speed is an EKG normally run - ANSWERS25 mm/sec
what color is the ground lead - ANSWERSgreen
what is the diameter of the coronary arteries - ANSWERS1/8 inch
what purpose does the gel serve on the electrode - ANSWERSit conducts electricity
when measuring the height of peaks in an EKG, what number does each large square
represent - ANSWERS5mm x 5mm
where is the apex located - ANSWERSlies on the diaphragm
normal standard - ANSWERS10 mm/mV
electrocardiograph - ANSWERSthe instrument used for recording the heart's activity
ground electrode - ANSWERSright leg
what would a muscle tremor look like on an EKG - ANSWERSa fuzzy irregular baseline
what would cause an interrupted baseline - ANSWERSdirty electrodes
when do you standardize an EKG - ANSWERSbefore and after you run the EKG
ANSWERS 2025
the heart is located in the - ANSWERSmediastinum
the valves of the heart are made up of - ANSWERSendocardium
why is cardiac tissue unique - ANSWERSbc it is all fused together, so it acts as one
where is the AV bundle located - ANSWERSat the top of the septum
or
what is a heart murmur - ANSWERSthe sound of faulty action when the valves close
one of the major causes of heart failure is - ANSWERSuntreated high BP
where is the base of the heart located - ANSWERSjust below the 2nd rib
on what speed is an EKG normally run - ANSWERS25 mm/sec
what color is the ground lead - ANSWERSgreen
what is the diameter of the coronary arteries - ANSWERS1/8 inch
what purpose does the gel serve on the electrode - ANSWERSit conducts electricity
when measuring the height of peaks in an EKG, what number does each large square
represent - ANSWERS5mm x 5mm
where is the apex located - ANSWERSlies on the diaphragm
normal standard - ANSWERS10 mm/mV
electrocardiograph - ANSWERSthe instrument used for recording the heart's activity
ground electrode - ANSWERSright leg
what would a muscle tremor look like on an EKG - ANSWERSa fuzzy irregular baseline
what would cause an interrupted baseline - ANSWERSdirty electrodes
when do you standardize an EKG - ANSWERSbefore and after you run the EKG
