Exam 2: NU110 NU 110 Latest Integrated Human

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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