DAVIS EDGE CARDIAC PART 1 FINAL
PAPER 2026 EXAM QUESTIONS AND FULL
SOLUTIONS GRADED A+
⩥ What is the outermost layer ? Answer: Pericardium
⩥ Myocardium does what Answer: Pumps blood through vessels
through contractions
⩥ What are intercalated Disk ? Answer: Specialized compartments
between the "cardiac muscle "- allows extricate synapses to initiate
contractions for effective pumping
⩥ Myocardium Answer: Thickest / Strongest layer made of cardiac
muscle
⩥ Systemic Circuit Answer: circulates blood through the rest of the body
⩥ Endocardium is described as Answer: Inner surface of the heart made
of Smooth epithelial cells
⩥ What is the innermost layer Answer: endocardium
, ⩥ What else does the endocardium do Answer: Covers the flaps of the
heart valves
⩥ Artery is described as Answer: Anything that flows away from the
heart to the rest of the body
⩥ What is so different about the pulmonary artery ? Answer: It's not
oxygenated
⩥ What portion of the heart is the strongest/ Thickest Answer: L
Ventricle
⩥ State the pathway of blood flow through the heart. Answer:
⩥ Automaticity is Answer: The ability of the heart muscles tissues to
contract in a rhythmic pattern
⩥ Irritability Answer: ability to respond to a stimulus
⩥ AV Node is abbreviated for Answer: Atrioventricular Node
⩥ AV node role is Answer: Slows the impulses to allow atrium to
complete contraction to allow ventricle to fill
PAPER 2026 EXAM QUESTIONS AND FULL
SOLUTIONS GRADED A+
⩥ What is the outermost layer ? Answer: Pericardium
⩥ Myocardium does what Answer: Pumps blood through vessels
through contractions
⩥ What are intercalated Disk ? Answer: Specialized compartments
between the "cardiac muscle "- allows extricate synapses to initiate
contractions for effective pumping
⩥ Myocardium Answer: Thickest / Strongest layer made of cardiac
muscle
⩥ Systemic Circuit Answer: circulates blood through the rest of the body
⩥ Endocardium is described as Answer: Inner surface of the heart made
of Smooth epithelial cells
⩥ What is the innermost layer Answer: endocardium
, ⩥ What else does the endocardium do Answer: Covers the flaps of the
heart valves
⩥ Artery is described as Answer: Anything that flows away from the
heart to the rest of the body
⩥ What is so different about the pulmonary artery ? Answer: It's not
oxygenated
⩥ What portion of the heart is the strongest/ Thickest Answer: L
Ventricle
⩥ State the pathway of blood flow through the heart. Answer:
⩥ Automaticity is Answer: The ability of the heart muscles tissues to
contract in a rhythmic pattern
⩥ Irritability Answer: ability to respond to a stimulus
⩥ AV Node is abbreviated for Answer: Atrioventricular Node
⩥ AV node role is Answer: Slows the impulses to allow atrium to
complete contraction to allow ventricle to fill
