EKG Exam Questions and Answers Verified Solutions Latest Update (2026/2027)

EKG Exam Questions and
Answers Verified Solutions
Latest Update (2026/2027)


Question:

EKG or ECG stands for:

Answer:

electrocardiogram




Question:

What can an EKG detect?

Answer:

cardiac arrhythmia or dysrhythmia, ischemia,
electrolyte imbalance, effects of cardiac medications, damage caused by an
MI




Question:

Define arrhythmia

Answer:

abnormal cardiac rhythm (think a= without, without rhythm)

,Question:

Define ischemia

Answer:

lack of blood supply




Question:

What is the electrical pathway of the heart's conduction system?

Answer:

SA node->AV
node->Bundle of His->Right and Left Bundle Branches->Purkinje fibers




Question:

When the SA node is stimulated, what mechanical action happens in the
heart?

Answer:

Atria contract




Question:

What has to happen for the ventricles to contract?

Answer:

Electrical conduction has to
pass through the AV node, down the Bundle of His, through the right and left
bundle branches,
into the purkinje fibers. Once they reach the Purkinje fibers, then the

, ventricles will contract.




Question:

Electrodes

Answer:

sticky skin sensors that attach to the patient




Question:

What is the purpose of the gel on the electrodes?

Answer:




Question:

to read the heart's electricity
and to amplify the waveforms
EKG machine is also called an:

Answer:

electrocardiograph




Question:

Name the 2 types of EKG machines:

Answer:

Single channel and multichannel