The heart is found in what cavity? - thoracic Which layer of the heart is found on the inside? - Endocardium The heart is positioned in-between what? - The lungs Which layer of the heart is the thickest and is made of cardiac muscle? - Myocardium The base of the heart is located at the... - at .
HONDROS BIO 117 - EXAM
3 |411 Questions and
Answers(A+ Solution guide)
2023 100% GRADED A
, HONDROS BIO 117 - EXAM 3 with 411 Questions and
Answers
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)
All of the coronary veins merge into where? - ANSWER Coronary Sinus
(True or False) The right ventricle pumps blood through the pulmonary valve to
the body - ANSWER False
The closing of which set of valves causes the "second heart sound"? - ANSWER
Semilunar Valves
Name the large vein of the heart that drains into the right atria - ANSWER
Coronary Sinus
Absorption occurs where?
Mouth
Esophagus
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