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| Question | Answer |
|---|---|
| what is the cardiovascular system's major function? | transportation |
| what are the layers of the heart? | epicardium myocardium endocardium pericardium |
| which is the outermost covering of the heart | epicardium |
| which is responsible for contraction | myocardium |
| which is the inner layer | endocardium |
| which has a double sac of serous membrane | pericardium |
| what is it called when your heart rate is lower than normal | bradycardia |
| what is it called when your heart rate is higher than normal | tachycardia |
| what is the average heart rate | 70-80 bpm |
| what do arteries do | carry blood away from the heart |
| what are some common arteries | carotid brachial radial temporalee |
| what is the heart the size of | one fist |
| how much does it way | less than a pound |
| which way is the apex of the heart pointed | towards the left hip |
| what is the heart divided by | interventricular septum |
| where is the carotid artery located | neck |
| where is the brachial artery located | upper arm |
| where is the radial artery located | forearm |
| where is the temporal artery located | head |
| what sound does the heart make | lub dup |
| activity measured by the 3 waves of an ECG are known as what kind of waves | p, qrs, and t |
| what happens in a myocardial infarction | ischemic cells die |
| what happens if the left side fails during congestive heart failure | pulmonary congestion |
| what happens if the right side fails during congestive heart failure | peripheral congestion |
| what happens in hypercalcemia | increased levels of ionic calcium |
| what happens in hypocalcemia | decreased levels of ionic calcium |
| what are heart murmurs | abnormal/ unusual heart sounds |
| what is stroke volume | volume of blood pumped out by a ventricle with each beat |
| what is the normal blood volume | 5000 ml |
| what does epinephrine do to blood pressure | increase |
| what does nicotine do to blood pressure | increase |
| what does alcohol do to blood pressure | decrease |
| what is the normal blood pressure rate | 120/80 |
| what is your brachial artery commonly used for | measuring BP |
| what is high blood pressure called | hypertension |
| what does orthostatic hypotension cause | dizziness when standing up |
| what happens when cardiac output decreases | blood pressure decreases |
| what happens when cardiac output increaes | blood pressure increases |