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HONDROS BIO 117 - EXAM 3 100% VERIFIED
ANSWERS 2025/2026 GUARANTEED PASS
The heart is found in what cavity? - ANSWER ✔✔- thoracic
Which layer of the heart is found on the inside? - ANSWER ✔✔- Endocardium
The heart is positioned in-between what? - ANSWER ✔✔- The lungs
Which layer of the heart is the thickest and is made of cardiac muscle? - ANSWER
✔✔- Myocardium
The base of the heart is located at the... - ANSWER ✔✔- at the 2nd rib
What fluid can be found between the visceral and parietal pericardium? -
ANSWER ✔✔- Serous fluid
What are the layers of the heart? - ANSWER ✔✔- endocardium, myocardium,
epicardium and pericardium
The pulmonary arteries take blood to: - ANSWER ✔✔- The lungs
What is the "inside layer" of the heart - ANSWER ✔✔- Endocardium
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Blood flows from the superior/inferior vena cava into: - ANSWER ✔✔- right
atrium
What is the thick muscular layer of the heart that is responsible for pumping
blood? - ANSWER ✔✔- Myocardium
The pulmonary veins take blood to: - ANSWER ✔✔- left atrium
What type of muscle is the Myocardium of the heart? - ANSWER ✔✔- Cardiac
muscle
The tricuspid valve is found: - ANSWER ✔✔- Between the right atrium and right
ventricle
What layer of the heart is directly attached to the heart? - ANSWER ✔✔-
Epicardium
The pulmonary valve is found: - ANSWER ✔✔- Between the right ventricle and
the pulmonary arteries
What layer surrounds the heart but does not directly touch it? - ANSWER ✔✔-
Pericardium
The bicuspid (or mitral valve) is found: - ANSWER ✔✔- Between the left atrium
and left ventricle
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Where in layers of the heart can pericardial fluid be found? - ANSWER ✔✔-
Between the Epicardium and Pericardium
The "hardest working" and thickest chamber of the heart is... - ANSWER ✔✔- The
left ventricle
What is the condition and result when too much pericardial fluid accumulates
between the epicardium and pericardium? - ANSWER ✔✔- Pericardial Effusion
Which vessel carries blood from the pulmonary capillaries to the left atrium? -
ANSWER ✔✔- pulmonary veins
What is the thick structure that runs down the middle of the heart and separates the
inside of the heart into right and left parts? - ANSWER ✔✔- Septum
(True or False) The left side of the heart pumps blood to the lungs to receive
oxygen - ANSWER ✔✔- False
Name the blood vessels that deliver oxygenated blood to the heart tissue. -
ANSWER ✔✔- Coronary arteries
Which of the following are AV valves?
Tricuspid
Bicuspid
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Pulmonary
Aortic - ANSWER ✔✔- Tricuspid and Bicuspid
When do the atria relax (diastole)? - ANSWER ✔✔- After the P Wave
The coronary arteries deliver ______________________ to the heart tissue. -
ANSWER ✔✔- Oxygenated blood
What wave represents "all chambers relaxed"? - ANSWER ✔✔- T wave
Which of the following are semilunar valves?
Tricuspid
Bicuspid
Pulmonary
Aortic - ANSWER ✔✔- Pulmonary and Aortic
The second heart sound is heard at all what wave? - ANSWER ✔✔- T wave
Name the blood vessels that drain deoxygenated blood from the heart tissue. -
ANSWER ✔✔- Coronary Veins
HONDROS BIO 117 - EXAM 3 100% VERIFIED
ANSWERS 2025/2026 GUARANTEED PASS
The heart is found in what cavity? - ANSWER ✔✔- thoracic
Which layer of the heart is found on the inside? - ANSWER ✔✔- Endocardium
The heart is positioned in-between what? - ANSWER ✔✔- The lungs
Which layer of the heart is the thickest and is made of cardiac muscle? - ANSWER
✔✔- Myocardium
The base of the heart is located at the... - ANSWER ✔✔- at the 2nd rib
What fluid can be found between the visceral and parietal pericardium? -
ANSWER ✔✔- Serous fluid
What are the layers of the heart? - ANSWER ✔✔- endocardium, myocardium,
epicardium and pericardium
The pulmonary arteries take blood to: - ANSWER ✔✔- The lungs
What is the "inside layer" of the heart - ANSWER ✔✔- Endocardium
,2|Page
Blood flows from the superior/inferior vena cava into: - ANSWER ✔✔- right
atrium
What is the thick muscular layer of the heart that is responsible for pumping
blood? - ANSWER ✔✔- Myocardium
The pulmonary veins take blood to: - ANSWER ✔✔- left atrium
What type of muscle is the Myocardium of the heart? - ANSWER ✔✔- Cardiac
muscle
The tricuspid valve is found: - ANSWER ✔✔- Between the right atrium and right
ventricle
What layer of the heart is directly attached to the heart? - ANSWER ✔✔-
Epicardium
The pulmonary valve is found: - ANSWER ✔✔- Between the right ventricle and
the pulmonary arteries
What layer surrounds the heart but does not directly touch it? - ANSWER ✔✔-
Pericardium
The bicuspid (or mitral valve) is found: - ANSWER ✔✔- Between the left atrium
and left ventricle
,3|Page
Where in layers of the heart can pericardial fluid be found? - ANSWER ✔✔-
Between the Epicardium and Pericardium
The "hardest working" and thickest chamber of the heart is... - ANSWER ✔✔- The
left ventricle
What is the condition and result when too much pericardial fluid accumulates
between the epicardium and pericardium? - ANSWER ✔✔- Pericardial Effusion
Which vessel carries blood from the pulmonary capillaries to the left atrium? -
ANSWER ✔✔- pulmonary veins
What is the thick structure that runs down the middle of the heart and separates the
inside of the heart into right and left parts? - ANSWER ✔✔- Septum
(True or False) The left side of the heart pumps blood to the lungs to receive
oxygen - ANSWER ✔✔- False
Name the blood vessels that deliver oxygenated blood to the heart tissue. -
ANSWER ✔✔- Coronary arteries
Which of the following are AV valves?
Tricuspid
Bicuspid
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Pulmonary
Aortic - ANSWER ✔✔- Tricuspid and Bicuspid
When do the atria relax (diastole)? - ANSWER ✔✔- After the P Wave
The coronary arteries deliver ______________________ to the heart tissue. -
ANSWER ✔✔- Oxygenated blood
What wave represents "all chambers relaxed"? - ANSWER ✔✔- T wave
Which of the following are semilunar valves?
Tricuspid
Bicuspid
Pulmonary
Aortic - ANSWER ✔✔- Pulmonary and Aortic
The second heart sound is heard at all what wave? - ANSWER ✔✔- T wave
Name the blood vessels that drain deoxygenated blood from the heart tissue. -
ANSWER ✔✔- Coronary Veins
