Blood
The Heart Pt 1
The Heart Pt 2
Blood Vessels
Miscellaneous
100
List the function of:
red blood cells
white blood cells
Red blood cells: to transport oxygen
White blood cells: immune response
100
What is the function of a valve?
To prevent backwards flow of blood & to allow blood to move to the next section of the heart
100
The tip of the heart that points toward the left hip is called the __________.
Apex
100
Which type of blood vessel contains blood at the highest pressure?
Arteries
100
The majority of plasma is composed of ____________.
water
200
Where does blood cell formation occur?
Red bone marrow
200
The muscular layer of the heart is called the _____________________.
Myocardium
200
Which side of the heart receives oxygenated blood?
Left side receives oxygenated blood and right side receives deoxygenated blood
200
Which blood vessel is the smallest? Why?
Capillaries; for gas exchange
200
What is an arrhythmia?
An irregular heart rhythm
300
What equipment is used to separate blood into different components? List the order in which the components are arranged in the test tube.
Centrifuge (centrifugation)
Plasma (55%)
White blood cells/platelets (1%)
Red Blood Cells (44%)
300
The "lub-dub" sound in the heart is caused by:
the closing of the heart valves as blood is pumped in and out of the chambers
300
List the chambers of the heart
Right atrium
Right ventricle
Left atrium
Left ventricle
300
What is the function of a shunt in the capillaries?
To serve as a shortcut from an artery to a vein; sphincters restrict the flow of blood to the true capillaries, allowing blood to go directly through the shunt
300
What is the difference between heart rate and heart rhythm?
Heart rate = # of times the heart beats per minute
Heart rhythm = pattern/regularity of the heart beat
400
What is hemostasis and what is the first step in the process?
Hemostasis is the process of blood clot formation; the first step of hemostasis is contraction of the blood vessel in order to restrict blood flow to the site of the wound
400
What is the purpose of the fluid produced by the serous pericardium?
To reduce the friction of the heart against other organs/tissues
400
List each valve found in the heart and which structures each one leads to
Tricuspid valve ---> Right ventricle
Mitral valve ---> Left ventricle
Pulmonary valve ---> Pulmonary arteries
Aortic valve ---> Aorta
400
Describe the flow of blood through the body.
*See notes
400
How many oxygen molecules can one hemoglobin carry?
4 oxygen molecules
500
What antigens/antibodies does type AB- have? Who can they donate blood to and receive blood from?
Antigens: A, B
Antibodies: anti-Rh
Donate to: AB-, AB+
Receive from: AB-, A-, O-, B-
500
List the structures (in order) that an electrical impulse travels through in the heart.
SA node
AV node
AV bundle
Bundle branches
Purkinje fibers
500
What structure separates the left and right sides of the heart?
List the two defects discussed in class that relate to this structure.
Septum
Atrial Septal Defect (ASD)
Ventricular Septal Defect (VSD)
500
List the three layers that surround both arteries and veins.
Tunica intima
Tunica media
Tunica externa
500
Draw and label an EKG wave