NU110 | NU 110 EXAM 2 | INTEGRATED HUMAN SCIENCES EXAM 2| QUESTIONS & ANSWERS | 100 % VERIFIED | GRADE A GALEN

NU 110 | NU110 Exam 2 Integrated
Human Sciences Exam 2 | 100%
Correctly Answered and rated A+
3 layers of the heart (from innermost to outermost)

- Correct Answer - endocardium, myocardium, epicardium



what occurs during complete diastole

- Correct Answer - ventricles are relaxed and atria fill with blood



what occurs during atrial systole

- Correct Answer - atria contract to eject blood into ventricles



AV node (atrioventricular node)

- Correct Answer - This valve closes causing the "lub" part of the heart
beat



semilunar valves

- Correct Answer - pulmonary and aortic valves close during the "dub"
part of the heart beat

, parasympathetic nervous system's effect on BP

- Correct Answer - vasodilation and decreased HR



mediastium

- Correct Answer - The middle section of the chest cavity located
between the lungs that contains the heart



endocardium

- Correct Answer - inner lining of the heart that is a thin,smooth layer of
epithelial cells



Myocardium

- Correct Answer - Thick middle muscle layer of the heart



epicardium

- Correct Answer - serous membrane that forms the thin,outermost layer
of the heart



Pericardium

- Correct Answer - membranous sac enclosing the heart



intracalated discs