Exam 2: NU110 / NU 110 (Latest
2025 / 2026) Integrated Human Sciences | Questions & Answers | 100 % Correct | Grade A - Galen
Question:
- layers of the heart (from innermost to outermost)
Answer:
endocardium, myocardium, epicardium
Question:
what occurs during complete diastole
Answer:
ventricles are relaxed and atria fill with blood
Question:
what occurs during atrial systole
Answer:
atria contract to eject blood into ventricles 1 / 2
Question:
AV node (atrioventricular node)
Answer:
This valve closes causing the "lub" part of the heart beat
Question:
semilunar valves
Answer:
pulmonary and aortic valves close during the "dub" part of the heart beat
Question:
parasympathetic nervous system's effect on BP
Answer:
vasodilation and decreased HR
Question:
mediastium
Answer:
The middle section of the chest cavity located between the lungs that contains the heart
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