EKG PLAIN AND SIMPLE 4 FINAL PAPER 2026
SOLVED QUESTIONS WITH FULL SOLUTION
ALREADY PASSED
◉ Isovolumetric contraction.
Answer: First phase of systole
◉ Ventricular ejection.
Answer: Second phase of systole
◉ Protodiastole.
Answer: Third phase of systole
◉ Isovolumetric relaxation.
Answer: Final phase of systole
◉ Left anterior descending(LAD).
Answer: A branch of the left main coronary artery that feeds the
anterior wall of the left ventricle
◉ Circumflex.
,Answer: A branch of the left main coronary artery that feeds the
lateral wall of the left ventricle
◉ Right coronary artery(RCA).
Answer: Feeds the right ventricle and the inferior wall of the left
ventricle
◉ Contractile Cells.
Answer: Cells that cause the heart muscles to contract
◉ Conduction system cells.
Answer: Cells that conduct electrical signals to tell the heart when to
beat.
◉ Autonomic nervous system(ANS).
Answer: Controls involuntary biological functions. Subdivided into
two systems.
◉ Sympathetic nervous system.
Answer: Subdivision of ANS that controls fight or flight response
◉ norepinephrine.
Answer: A chemical released by the adrenal gland.
,◉ parasympathetic nervous system.
Answer: Subdivision of ANS that controls rest and digest response
◉ Acetylcholine.
Answer: A chemical released by the vagus nerve
◉ Vagus nerve.
Answer: Nerve that travels from the brain to the heart stomach and
other areas.
◉ Glottis.
Answer: Flap over the top of the trachea
◉ Trachea.
Answer: Windpipe
◉ Syncope.
Answer: Fainting
◉ Heart's function.
Answer: To pump enough blood to meet the body's metabolic needs
, ◉ 3 layers of the heart.
Answer: Epicardium
Myocardium
Endocardium
◉ 4 Chambers of the heart.
Answer: Right Atrium
Right Ventricle
Left Atrium
Left Ventricle
◉ Interventricular septum.
Answer: Tissue that separates right and left ventricles
◉ Interatrial septum.
Answer: Tissue that separates right and left atria
◉ 4 heart valves.
Answer: Pulmonic valve
Aortic valve
Tricuspid valve
SOLVED QUESTIONS WITH FULL SOLUTION
ALREADY PASSED
◉ Isovolumetric contraction.
Answer: First phase of systole
◉ Ventricular ejection.
Answer: Second phase of systole
◉ Protodiastole.
Answer: Third phase of systole
◉ Isovolumetric relaxation.
Answer: Final phase of systole
◉ Left anterior descending(LAD).
Answer: A branch of the left main coronary artery that feeds the
anterior wall of the left ventricle
◉ Circumflex.
,Answer: A branch of the left main coronary artery that feeds the
lateral wall of the left ventricle
◉ Right coronary artery(RCA).
Answer: Feeds the right ventricle and the inferior wall of the left
ventricle
◉ Contractile Cells.
Answer: Cells that cause the heart muscles to contract
◉ Conduction system cells.
Answer: Cells that conduct electrical signals to tell the heart when to
beat.
◉ Autonomic nervous system(ANS).
Answer: Controls involuntary biological functions. Subdivided into
two systems.
◉ Sympathetic nervous system.
Answer: Subdivision of ANS that controls fight or flight response
◉ norepinephrine.
Answer: A chemical released by the adrenal gland.
,◉ parasympathetic nervous system.
Answer: Subdivision of ANS that controls rest and digest response
◉ Acetylcholine.
Answer: A chemical released by the vagus nerve
◉ Vagus nerve.
Answer: Nerve that travels from the brain to the heart stomach and
other areas.
◉ Glottis.
Answer: Flap over the top of the trachea
◉ Trachea.
Answer: Windpipe
◉ Syncope.
Answer: Fainting
◉ Heart's function.
Answer: To pump enough blood to meet the body's metabolic needs
, ◉ 3 layers of the heart.
Answer: Epicardium
Myocardium
Endocardium
◉ 4 Chambers of the heart.
Answer: Right Atrium
Right Ventricle
Left Atrium
Left Ventricle
◉ Interventricular septum.
Answer: Tissue that separates right and left ventricles
◉ Interatrial septum.
Answer: Tissue that separates right and left atria
◉ 4 heart valves.
Answer: Pulmonic valve
Aortic valve
Tricuspid valve
