What is hemoglobin?
This protein in red blood cells carries oxygen.
What is the left ventricle?
This chamber pumps oxygenated blood to the body.
What is a sphygmomanometer?
This instrument is used to measure blood pressure.
What is a heart attack?
This occurs when blood flow to part of the heart is blocked.
What is an ECG/EKG?
This test records the electrical activity of the heart.
What are white blood cells?
These blood cells help fight infection.
What is the mitral valve?
This valve separates the left atrium and left ventricle.
What is 60–100 beats per minute?
Normal resting adult pulse is usually between these numbers.
What is atherosclerosis?
A buildup of plaque in arteries is called this.
What is angioplasty?
This procedure opens blocked arteries using a balloon.
What is plasma?
The liquid portion of blood is called this.
What is the pericardium?
The heart is surrounded by this protective sac.
What is systolic pressure?
The top number in a blood pressure reading is called this.
What is arrhythmia?
This condition occurs when the heart beats irregularly.
What percentage of blood leaves the ventricle with each contraction?
Ejection fraction measures this.
What are platelets?
These cell fragments help blood clot.
What are the coronary arteries?
This artery supplies blood directly to the heart muscle.
What is hypertension?
High blood pressure is also known as this condition.
What is heart failure?
This disease weakens the heart’s ability to pump blood effectively.
What is a pacemaker?
This device helps regulate abnormal heart rhythms.
What is O negative?
This blood type is known as the universal donor.
What is the septum?
This wall separates the left and right sides of the heart.
What causes high blood pressure?
This happens when arteries narrow and increase resistance to blood flow.
What is a stroke?
A blood clot traveling to the brain can cause this.
What is coronary bypass surgery?
In this surgery, a healthy vessel reroutes blood around a blockage.