Cardiac vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| stroke volume | amount of blood pumped out by one ventricle in one contraction
🗑
|
||||
| cardiac output (CO) | amount of blood pumped out in one minute
🗑
|
||||
| cardiac reserve | difference between resting and maximal CO
🗑
|
||||
| end diastolic volume | amount of blood that collects in a ventricle during diastole
🗑
|
||||
| end systolic volume | amount of blood remaining in a ventricle after systole
🗑
|
||||
| foramen ovale | opening between the 2 artria
🗑
|
||||
| ductus arteriosus | allows blood to go directly from pulmonary trunk to aorta
🗑
|
||||
| heart murmur | abnormal sound during heartbeat cycle
🗑
|
||||
| mediastinum | medial cavity of the thorax
🗑
|
||||
| endocardium | epithelial membrane that lines the interior of the heart
🗑
|
||||
| myocardium | layer of heart wall composed of cardiac muscle
🗑
|
||||
| epicardium | the outer layer of the heart
🗑
|
||||
| serous pericardium | a thin,slippery, two-layer serous membrane
🗑
|
||||
| fibrous pericardium | the loosely fitting superficial part of the sac known as the pericardium;protects the heart,anchors its surrounding structures, and prevents overfilling of the heart with blood
🗑
|
||||
| pericardial cavity | slit-like space between the visceral and parietal layers of the serous pericardium
🗑
|
||||
| serous membrane | moist membranes found in body cavities closed to the exterior
🗑
|
||||
| mucous membranes | moist membranes that line body cavities that open to the exterior
🗑
|
||||
| atrioventricular valves | valve that prevents backflow into the atrium when the connected ventricle is contracting
🗑
|
||||
| semilunar valves | valves that prevent blood from return to the ventricles after contraction
🗑
|
||||
| chordae tendinae | act as guy-wires for the AV valves; keep them from being blown into the atria when the ventricles contract
🗑
|
||||
| papillary muscles | contract when the ventricles contract
🗑
|
||||
| sarcomere | smallest contractile unit of muscle
🗑
|
||||
| Z disc | cross-striation that bisects the I band of Skm
🗑
|
||||
| A band | the part of the sarcomere that contains only thick filaments
🗑
|
||||
| I band | part of sarcomere that contains only thin filaments
🗑
|
||||
| t-tubule | invagination of the sarcolemma
🗑
|
||||
| intercalated discs | found where ends of two adjacent cardiac cells come together
🗑
|
||||
| automaticity | initiate their own depolarization
🗑
|
||||
| polarization | the muscle cell is relatively negative on the inside of the cell than the outside of the cell
🗑
|
||||
| depolarization | loss of a state of polarity;loss or reduction of negative membrane potential
🗑
|
||||
| repolarization | movement of the membrane potential to the initial resting state
🗑
|
||||
| SA Node (sinoatrial node) | generates impluses
🗑
|
||||
| Internodal pathway | connecting fibers between SA node and AV node
🗑
|
||||
| AV Node (atrioventricular node) | delays impulse to allow atria to contract before ventricles
🗑
|
||||
| AV bundle | electrical connection between the atria and the ventricles
🗑
|
||||
| Right and left Bundle Branches | convey impulses down interventricular septum
🗑
|
||||
| Purkinje Fibers | convey the impulse throughout the ventricular walls;stimulate the ventricular contractile celsl
🗑
|
||||
| normal sinus rhythm | normal, regular heart rate originating from SA node
🗑
|
||||
| Arrhythmia | a problem with the rate or rhythm of the heartbeat
🗑
|
||||
| sinus trachycardia | rapid heart rate originating from SA node
🗑
|
||||
| sinus brachycardia | slow heart rate originating from the SA node
🗑
|
||||
| Atrial Fibrillation | arrhythmia in which the heart's atria beats chaotically and irregularly and without coordination with the 2 lower chambers of the heart
🗑
|
||||
| Ventricular fibrillation | a condition in which there's uncoordinated contraction of the cardiac muscle of the ventricles
🗑
|
||||
| premature atrial contraction | an extra beat comes sooner than normal originating in the atria
🗑
|
||||
| premature ventricular contraction | an extra beat comes sooner than normal originating in the ventricles
🗑
|
||||
| insufficient valves | valves that do not close all the way and therefore allow blood to flow through them
🗑
|
||||
| stenotic valves | valves that do not open all the way and therefore make it harder for blood to go through them
🗑
|
||||
| diastole | period of cardiac cycle when either the ventricles or the atria are relaxing
🗑
|
||||
| systole | period when either the ventricles or the atria are contracting
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
stantonk
Popular Anatomy sets