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Heart
| Question | Answer |
|---|---|
| What is not part of the cardiovascular system? | red bone marrow |
| The right pump of our heart receives blood from where? | body |
| The right pump of our heart pumps blood to? | lungs |
| The left pump of our heart receives blood from where? | lungs |
| The left pump of our heart pumps blood to? | body |
| The right pump is all about which circulation? | pulmonary |
| The left pump is all about which circulation? | systemic |
| Our heart lies more to what side of the thoracic cavity? | left |
| The heart contains how many chambers? | 4 |
| The pericardial cavity has 2 membranes, which one is the inner membrane? | visceral |
| What are the functions of the pericardial membranes and pericardial fluid? | reduce friction and hold the heart in place |
| if fluid collects in the pericardial sac, a person will have what condition? | cardiac tamponade |
| Which heart layer will be found on the outer surface of the heart? | epicardium |
| Which heart layer will be found of the inner surface of the heart? | endocardium |
| Which heart layer is the thickest? | myocardium |
| The upper chambers of the heart are the? | atria |
| The lower chambers of the heart are the? | ventricles |
| Which chamber of the heart are the largest and strongest? | ventricles |
| The valve between the right atrium and right ventricle? | tricuspid |
| The valve between the left atrium and the left ventricle? | bicuspid |
| The mitral valve is also called the? | bicuspid |
| Which valve prevents back flow from the right ventricle? | tricuspid |
| Which valve prevents back flow from the left ventricle? | bicuspid |
| Which valve prevents back flow from the lungs? | pulmonary semilunar valve |
| Which valve prevents back flow from the body? | aortic semilunar valve |
| Blood from the pulmonary trunk will flow to what structure next? | pulmonary arteries |
| Blood from the left atrium will flow to what structure next? | bicuspid |
| The proper order for the electronic conducting system of the heart is? | SA node, AV node, AV bundle, bundle branches, purkinje fibers |
| The pacemaker of the heart is the? | SA node |
| The P wave on an ECG represents? | atrial depolarization |
| The QRS complex on an ECG represents? | ventricular depolarization |
| The T wave on an ECG represents? | ventricular repolarization |
| Each square on an ECG represents how much time? | .04 seconds |
| Which wave will be the strongest in millivolts? | QRS complex |
| The term systole means? | contraction |
| The term diastole means? | relaxation |
| Most of the blood enter the ventricles during what part of the cardiac cycle? | passive ventricular filling |
| The first heart sound is caused by? | closing of the AV valves |
| The second heart sound is caused by? | closing of the semilunar valves |
| The average resting heart rate is how many bpm? | 72 |
| Tachycardia is a heart rate above? | 100 |
| Bradycardia is a heart rate below? | 60 |
| The cardiac output for the average resting person is how many liters per minute? | 5 |
| Cardiac output for the average exercising person is how many liters per minute? | 22 |
| What chemical is the brain most sensitive to? | carbon dioxide |
| A heart attack is also called a? | myocardial infarction |
| Rapid heart rate is also called? | tachycardia |
| Right side congestive heart failure will cause fluid to build up where? | body |
| Left side congestive heart failure will cause fluid build up where? | lungs |