What is a hematocrit?
It is the level of red blood cells in a persons blood volume
What is the Buffy coat in the blood made up of?
Platelets and leukocytes
What is a centrifuge?
It fractions blood samples into plasma, Buffy coat and red blood cells
What do you call the abnormal increase in red blood cells?
Polycythemia
What is heme?
A pigment in a hemoglobin molecule that iron binds to
What do you call the device that measures hemoglobin concentration in the blood?
Hemoglobinometer
What are agglutinogens?
They are antigens that are labels identifying your blood type.
What are agglutinins?
They are antibodies that attack foreign antigens
If a person has type A blood, what kind of antibodies do they have?
Anti-B bodies
What is Bradycardia?
When your heart rate is less than 60; low heart rate
What is tachycardia?
When your heart is racing over 100 at rest. Fast Heart rate
What is an electrocardiogram?
A device that measures the electrical signals to your heart
What is atrial and ventricular fibrillation?
When their is a disruptive change in heart rhythm
What does auscultation mean?
To listen to the heart
What is the cardiac cycle?
All the events that take place in a single heart beat
What does diastole mean?
Relaxation
What is the opposite of diastole?
Systole
What is you pulse actually?
The flip between diastole and systole phase.
What are heart murmurs?
Extra heart sounds or regurgitations
