CARDIAC COMPLEX CARE FINAL PAPER EXAM QUESTIONS ACCURATE ANSWERS FULL SOLUTION

CARDIAC COMPLEX CARE FINAL PAPER EXAM QUESTIONS ACCURATE ANSWERS FULL
SOLUTION
Cardiac Complex CARE Comprehensive Study
Guide 2026/2027 Questions and Answers Verified
Solutions Latest Update

Question:
The electrocardiogram detects a summation of electrical signals generated by.

Answer:
specialized cells of the heart called pacemaker cells. Cells in SA node located in the right atrium fire
first, if that doesn't happen, the AV node sends impulses AV node located between Atrium and
ventricles. If this impulse does not occur, the Purkinje fibers within the bundle of His will be the last
to fire if the AV node does not.



Question:
A patient comes into the ER complaining a chest pain. You do a 12-lead EKG and see ST elevation
in leads II, III, and aV F. Where in the heart is this patients MI?

Answer:
Inferior wall - Right Coronary Artery (RCA)



Question:
•Pacemaker cells have the property of automaticity, meaning.

Answer:
these cells can generate a stimulus or an action potential without outside stimulation.•This electrical
signal is conducted through specialized fibers of the conduction.



Question:
A patient comes into the ER complaining of chest pain that radiates to the left shoulder. You do a 12
lead EKG and see ST elevation in leads V1-V4. Where in the heart is this patients MI?

Answer:

,Anterior - Left Anterior Descending Artery



Question:
A patient comes into the ER complaining of chest pain that radiates to the jaw. You do a 12 lead
EKG and see ST elevation in leads I, aVL, V5, and V6. Where in the heart is this patients MI?

Answer:
Lateral - Left Circumflex (LCX) Artery



Question:
The coordinated electrical activity followed by a synchronous mechanical event constitutes the
______________.

Answer:
cardiac cycle.



Question:
A patient comes into the ER complaining of chest pain that radiates to the middle of the upper back.
You do a 12 lead EKG and see ST depression and tall R waves in leads V1 and V2. Where in the
heart is this patients MI?

Answer:
Posterior - RCA and/or LCX Artery



Question:
Depolarization =.

Answer:
systole = contraction



Question:
List the flow of blood through the heart:.

,Answer:
Superior/Inferior vena cava-> right atrium -> [TRICUSPID valve]right ventricle -> [PULMONARY
valve]lungs via pulmonary arteries -> from lungs back to the heart via pulmonary veins->left atrium
-> [MITRAL valve]left ventricle -> [AORITC valve]aorta



Question:
True or false: The pulmonary artery is the only artery in the body that carries deoxygenated blood,
and the pulmonary vein is the only vein in the body that carries oxygenated blood.

Answer:
TRUE



Question:
The SA node is the natural pacemaker of the heart and is paced at _________ beats per minute. The
SA node stimulates the heart's atria to contract pushing blood into the ventricles (ATRIAL
DEPOLARIZATION).

Answer:
60-100



Question:
Repolarization =.

Answer:
diastole = resting or filling phase



Question:
The AV node is found above the ventricles, towards the bottom of the atria and is paced at
_________ beats per minute. The AV node "holds" the impulse sent from the SA node, allowing the
ventricles to fill.

Answer:
40-60

, Question:
What are the roles of the bundle of HIS and bundle branches?

Answer:
Stimulates ventricles to contract, pushing blood from the ventricles to the body



Question:
If the SA and AV node fail the ____________________ can initiate a heartbeat.

Answer:
Purkinje fibers Pace is 20-40 beats per minuteAllows the ventricles to have a synchronized
contraction



Question:
Electrical activity precedes.

Answer:
mechanical activity



Question:
Electrical + mechanical =.

Answer:
cardiac contraction



Question:
When placing a cardiac monitor, or 5 lead ECG, where is the location of V1?

Answer:
Right sternal border, intercostal space 4 (brown lead)Other 4 leads (limbs):White = right
shoulder/armBlack = left shoulder/armGreen = right legRed = left legMemory trick: "Smoke over
fire" and "clouds over grass"