HONDROS BIO 117 - EXAM 3
WITH VERIFIED QUESTIONS
AND ANSWERS GRADED A+ 2026
UPDATE!!
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
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
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
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
The amount of blood pumped by our heart in one minute is called what? - answer-
Cardiac Output
Why do we have valves in our heart? - answer-To prevent back flow
The sympathetic nervous system would cause our heart rate to: - answer-Increase
The coronary veins drain ________________________ from the heart tissue. - answer-
Deoxygenated Blood
The parasympathetic nervous system would cause our heart rate to: - answer-Decrease
The closing of which set of valves causes the "first heart sound"? - answer-AV Valves
Which cranial nerve is the largest parasympathetic nerve and goes to the heart (amount
other organs - answer-CN X (Vagus Nerve)
WITH VERIFIED QUESTIONS
AND ANSWERS GRADED A+ 2026
UPDATE!!
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
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
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
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
The amount of blood pumped by our heart in one minute is called what? - answer-
Cardiac Output
Why do we have valves in our heart? - answer-To prevent back flow
The sympathetic nervous system would cause our heart rate to: - answer-Increase
The coronary veins drain ________________________ from the heart tissue. - answer-
Deoxygenated Blood
The parasympathetic nervous system would cause our heart rate to: - answer-Decrease
The closing of which set of valves causes the "first heart sound"? - answer-AV Valves
Which cranial nerve is the largest parasympathetic nerve and goes to the heart (amount
other organs - answer-CN X (Vagus Nerve)
