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Biologyquiz15

study notes for biology quiz 15

QuestionAnswer
This powers rhythmic contractions ATP
Arteries that branch from the base of the aorta (the large artery that exits the left ventricle). The coronary arteries
After supplying the cardiac muscle tissue with fuel and oxygen, blood leaves these tissues through blood vessels known as... Cardiac veins
The Cardiac veins collect blood from the tissues of the heart and carry it into a larger vein called... The Coronary sinus
The Aorta is... The body's LARGEST artery
When a vessel is obstructed by a clot, the heart beats faster to try to pump blood through often causing a person to have a... Heart attack
Severe pain in chest, nausea, vomiting, sweating and shortness of breath are some symptoms of... A Heart Attack
A heart failure when the heart ceases to beat steadily and starts to twitch randomly is called... Ventricular fibrillation
When suffering from Ventricular fibrillation often a person's heart needs to be restarted by a device called a... Defibrillator
Many heart repairs require the aid of a machine that pumps blood from the body, removes carbon dioxide and adds oxygen. This machine is called? Heart-lung machine
The Heart sugery where the coronary artery is repaired is called... Angioplasty
When clogs in the arteries are too extensive to be helped by angioplasty, another surgery must be performed. This is called... Coronary artery bypass
The surgery in which the surgeon replaces a heart valve with an artificial one is called what? Valve replacement surgery
When the heart is damaged beyond repair, there is only one surgery that becomes necessary. This surgery is? Heart transplant
To accomplish the task of pumping 2000 gallons of blood a day, the heart completes a series of highly coordinated actions called... the Cardiac Cycle
The contracting and pumping of the heart action is called... systole
The relaxing and filling phase of the heart is called... diastole
The cardiac cycle is perceived by us as... a heartbeat
An abnormal rushing or blowing sound produced by valve damage is called a... Heart murmur
Signals that increase the heart rate are transmitted to the sinoatrial node by a pair of nerves called... Accelerator nerves
Signals that slow the heart rate are transmitted by branches of the tenth pair of cranial nerves called... Vagus Nerves
During highly vigorous activities or when you are extremely afraid the brain may increase your heart rate to.. 120-200 beats per minute
When you are asleep, the brain may reduce your heart rate to... 50-60 beats per minute
Muscle cells that are short, branched, and contain only one nucleus per cell are what kind of muscle cells? Cardiac muscle cells
Cardiac muscle cells are connected end to end by special connectors called... intercalated disks
The master control unit of the heart is the... Sino-atrial node (SA node!)
The SA node is often referred to as... the pacemaker of the heart
Vetrical bridge is called... atrioventricular node (AV node!)
A doctor who specializes in the heart and it's disorders is called A cardiologist
A device that helps study the electrical activity of the heart is called... electrocardiogram
Three main kinds of blood vessels are? arteries, veins, capillaries
The movement of the blood through all parts of the body except the lungs is called... systemic circulation
The veins which drain the head jugular veins
The movement of blood between the heart and lungs is known as... Pulmonary circulation
The movement of blood from the body organs through the kidneys is known as... Renal circulation
Most heart attacks result from a blockage of the arteries caused by a slowly developing disease called... atherosclerosis
a substance that makes the lining of arteries rough plaque
The filter of the blood for the body is the... Liver
Liver failure is often caused by... viral hepatitis and alcohol abuse
When the blood vessels are under pressure it is called... Blood pressure
Thing that measures blood pressure Sphygmomanometer
Created by: KyeClare
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