HONDROS BIO 117 - EXAM 3 UPDATED ACTUAL Exam Questions and CORRECT Answers

HONDROS BIO 117 - EXAM 3 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
The heart is found in what cavity? - CORRECT ANSWER - thoracic



Which layer of the heart is found on the inside? - CORRECT ANSWER - Endocardium



The heart is positioned in-between what? - CORRECT ANSWER - The lungs


Which layer of the heart is the thickest and is made of cardiac muscle? - CORRECT
ANSWER - Myocardium



The base of the heart is located at the... - CORRECT ANSWER - at the 2nd rib


What fluid can be found between the visceral and parietal pericardium? - CORRECT
ANSWER - Serous fluid



What are the layers of the heart? - CORRECT ANSWER - endocardium, myocardium,
epicardium and pericardium


The pulmonary arteries take blood to: - CORRECT ANSWER - The lungs



What is the "inside layer" of the heart - CORRECT ANSWER - Endocardium



Blood flows from the superior/inferior vena cava into: - CORRECT ANSWER - right
atrium

,What is the thick muscular layer of the heart that is responsible for pumping blood? - CORRECT
ANSWER - Myocardium



The pulmonary veins take blood to: - CORRECT ANSWER - left atrium



What type of muscle is the Myocardium of the heart? - CORRECT ANSWER - Cardiac
muscle


The tricuspid valve is found: - CORRECT ANSWER - Between the right atrium and right
ventricle


What layer of the heart is directly attached to the heart? - CORRECT ANSWER -
Epicardium


The pulmonary valve is found: - CORRECT ANSWER - Between the right ventricle and
the pulmonary arteries


What layer surrounds the heart but does not directly touch it? - CORRECT ANSWER -
Pericardium


The bicuspid (or mitral valve) is found: - CORRECT ANSWER - Between the left atrium
and left ventricle


Where in layers of the heart can pericardial fluid be found? - CORRECT ANSWER -
Between the Epicardium and Pericardium


The "hardest working" and thickest chamber of the heart is... - CORRECT ANSWER -
The left ventricle


What is the condition and result when too much pericardial fluid accumulates between the
epicardium and pericardium? - CORRECT ANSWER - Pericardial Effusion

,Which vessel carries blood from the pulmonary capillaries to the left atrium? - CORRECT
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? - CORRECT ANSWER - Septum


(True or False) The left side of the heart pumps blood to the lungs to receive oxygen -
CORRECT ANSWER - False


Name the blood vessels that deliver oxygenated blood to the heart tissue. - CORRECT
ANSWER - Coronary arteries


Which of the following are AV valves?


Tricuspid


Bicuspid


Pulmonary


Aortic - CORRECT ANSWER - Tricuspid and Bicuspid



When do the atria relax (diastole)? - CORRECT ANSWER - After the P Wave


The coronary arteries deliver ______________________ to the heart tissue. - CORRECT
ANSWER - Oxygenated blood



What wave represents "all chambers relaxed"? - CORRECT ANSWER - T wave

, Which of the following are semilunar valves?


Tricuspid


Bicuspid


Pulmonary


Aortic - CORRECT ANSWER - Pulmonary and Aortic



The second heart sound is heard at all what wave? - CORRECT ANSWER - T wave


Name the blood vessels that drain deoxygenated blood from the heart tissue. - CORRECT
ANSWER - Coronary Veins


The amount of blood pumped by our heart in one minute is called what? - CORRECT
ANSWER - Cardiac Output



Why do we have valves in our heart? - CORRECT ANSWER - To prevent back flow



The sympathetic nervous system would cause our heart rate to: - CORRECT ANSWER -
Increase


The coronary veins drain ________________________ from the heart tissue. - CORRECT
ANSWER - Deoxygenated Blood


The parasympathetic nervous system would cause our heart rate to: - CORRECT
ANSWER - Decrease