Heart
What are the chambers of the heart?
The left and right atrium and the left and right ventricle.
What is the name of the chamber of the heart where deoxygenated blood first enters?
The right atrium
What is the chamber of the heart that receives blood from the superior and inferior vena cava?
Right atrium
What is one complete cycle of a heart beat called?
The cardiac cycle
What is the recording of the electrical activity associated with a heartbeat called?
An electrocardiogram
How long does it take to pump all the blood in your body through the heart?
1 minute
What is the name of the valve that prevents blood from flowing back into the right ventricle?
The pulmonary valve
What is the large artery that leaves the heart and takes blood to the body?
The aorta
Is the maximum BP during ventricular contraction your systolic or diastolic BP?
Systolic
What branch of artery is where gas and nutrients are exchanged between the tissues and vessels?
Capillaries
These carry blood away from the heart
Arteries
What is the name of the valve that is between the right atrium and right ventricle.
Tricuspid valve
What is the vessel called that blood flows through as it leaves the heart to go the lungs?
The pulmonary artery
During what part of an ECG do the ventricles contract? (See image drawn on board)
QRS
Would a lower heart rate cause an increase or decrease in your blood pressure?
Decrease
What structure carries deoxygenated blood from the upper part of the body into the heart?
The Superior Vena Cava
What valve is also called the mitral valve and what chambers goes it separate?
The bicuspid valve, it separates the left atrium and left ventricle.
What is the valve that ensures that blood does does leak back into the right ventricle as it travels through the pulmonary artery.
The pulmonary valve
During what part of the ECG do the atria contract?
P
What might cause a doctor to hear a heart murmur?
1. valves that don't completely close
2. A hole in the septum of your heart
What is the name of the wall that divides the left and right halves of the heart?
The septum
What is the vessel called that blood exits the left ventricle into?
What is the chamber called that receives blood returning to the heart from the lungs called?
The left atrium
What events cause the lubb and the dubb you hear in a stethoscope?
lubb = ventricles contracting/bi and tricuspid valves closing
dubb = ventricles relaxing/pulmonary and aortic valves closing
What is a good normal blood pressure?
120/70