Chapter 9
The pacemaker of the heart
What is the SA node?
Depolarizing of ventricle myocardium
What are purkinjee fibers?
3 Things that effect resistance
What is distance, viscosity, and radius?
Formation of red blood cells
What is hemopoiesis?
Platelets
White blood cells
Red blood cells
What are the formed elements?
Heart rate below 60
Heart rate above 100
What is tachycardia and bradycardia?
Plateau phase in ECG
S-T segment
Lowest pressure
Highest pressure
What is systolic and diastolic pressure?
2 beta
2 alpha
transports and binds oxygen and contains iron
What is a Heme group?
Hormonal control
Comes from kidney
Stimulate red blood cells
Gets secreted if RBC are too low
What is erythropoietin?
P wave, QRS complex, T wave
Explain and draw out completely
What is an ECG?
depolarizes ventricles
What is the AV node?
Flow of blood is directly proportional to the pressure & inverse to the resistance
What is fluid dynamics?
Suctioning pressure of water - preserved by plasma
What is oncotic pressure?
Basophil
Neutrophil
Eosinophil
What are granulocytes?
Opens at -70 in a cardiac action potential
Opens at -40 in a cardiac action potential
Closes and opens at +30
What is sodium gate opening?
What is Ca2+ opening?
What is sodium closing and potassium opening?
1) SA node
2) AV node
3) Bundle of hiss
4) Purkinjee fibers
What is the cardiac conduction pathway?
Arteries
Arterioles
Capillaries
Venules
Veins
What is the vascular tree?
Heart to lungs to heart
What is the pulmonary circuit?
Bleeding control inside the body
Intrinsic pathway
Funny channels are located in
Explain entire process?
What is pacemaker cells?
What is a pacemaker potential?
Missing p wave
What is junctional rhythm?
DP + (1/3 PP)
or
Cardiac Output x TRP
What is mean arterial pressure?
B lymphocytes secreting antibodies
What are plasma cells?
Filtration= BP - (HP + OP)
Osmotic pressure