BIO 117 HONDROS EXAM 3 2023 70 Questions with 100 Correct Answers Updated Verified
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Course
NU1426
Institution
NU1426
BIO 117 HONDROS EXAM 3 | 2023 | 70 Questions with 100% Correct Answers | Updated & Verified
The apex of the heart is located
Which layer of the heart allows it to act as a pump?
What is the apex of the heart?
Which layer of the heart wall contains the epicardium?
What surrounds the heart?
Wha...
BIO 117 HONDROS EXAM 3 | 2023 | 70
Questions with 100% Correct Answers | Updated
& Verified
1). The apex of the heart is located
Ans: 5th intercostal space
2). Which layer of the heart allows it to act as a pump?
Ans: Myocardium
3). What is the apex of the heart?
Ans: The tip of the heart, pointing down towards the left 5th intercostal space.
4). Which layer of the heart wall contains the epicardium?
Ans: Pericardium
5). What surrounds the heart?
Ans: Pericardium
6). What is related to the mitral valve (tricuspid valve)?
Ans: Bicuspid valve
7). Which of the following contains oxygenated blood?
Ans: Left Atrium, Pulmonary veins, Aorta
8). Which of the following contains deoxygenated blood?
Ans: Superior Vena Cava, Right Atrium, Pulmonary Arteries
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, 9). What supplies oxygenated blood to the heart muscle?
Ans: Coronary Arteries
10). Which layer of the heart contains actin, myosin, and troponin?
Ans: Myocardium
11). Which valves are open during atrial systole?
Ans: Tricuspid Mitral
12). What is true of blood leaving the tissues and traveling towards the right atrium?
Ans: Oxygen poor, carbon dioxide rich
13). Valve that prevents backflow of blood into the left ventricle when the left ventricle is in
diastole?
Ans: Aortic
14). The aorta receives blood from what structure?
Ans: Left ventricle
15). Which vessel carries blood from the pulmonary capillaries to the left atrium?
Ans: Pulmonary veins
16). Which cavity of the heart first receives unoxygenated blood from the vena cava?
Ans: Right atrium
17). What is the right semilunar valve separating the right ventricle and the pulmonary artery?
Ans: The pulmonic valve
18). What is the function of the pulmonic valve?
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