Module 10
The average lifespan of a red blood cell is _____ months.
4
Arrange the structures in the following list in the order that blood will encounter as it flows from the heart back to the heart in the cardiovascular flow circuit. 1.venules 2.arterioles 3.capillaries 4.elastic arteries 5.medium veins 6.large veins 7.muscular arteries
4, 7, 2, 3, 1, 5, 6
Formed elements make up about _____ percent of blood.
45
Plasma composes about _____ percent of whole blood, and water composes _____ percent of the plasma volume.
55, 92
A person with Type A blood has antigen _____ on the RBCs and anti- _____ antibodies in the plasma.
A,B
Which plasma protein is a major contributor to the osmotic pressure of plasma?
Albumin
A person's blood type is determined largely by the presence of specific _____ on the cell membrane.
Antigens
Red cells are described as _____ discs.
Biconcave
Transport of nutrients and wastes, transport of body heat, and defense against toxins and pathogens are all function of the _____.
Blood
The process of fibrinolysis dissolves _____.
Clots
If arterioles _____ and precapillary sphincters _____ we would increase blood flow to local tissues.
Dilate, Relax
A substance that activates plasminogen might be useful to cause clot to _____ faster.
Dissolve
Which formed element transports oxygen and carbon dioxide?
Erythrocyte
Pulmonary veins carry blood to the _____.
Left atruim
Which organ synthesizes most of the plasma proteins?
Liver
The enzyme that can digest fibrin and dissolve a clot is _____.
Plasmin
The _____ breaks the rule that arteries carry oxygenated blood away from the heart?
Pulmonary arteries
All the circulating red blood cells originate in the _____.
Red bone marrow
This is the innermost layer of a blood vessel.
Tunica intima
The muscular layer of a blood vessel is the _____.
Tunica media
The large vessels that return blood to the heart are called _____.
Veins
After blood leaves the capillaries, it enters the _____.
Venule
What type of vein directly connects with capillaries?
Venule
The most abundant component of plasma is _____.
Water
The combination of plasma and formed elements is called:
Whole blood
The most abundant proteins in blood plasma are ___.
albumin
Branches off the aortic arch, listed from your patients right to left include the: (include all 3, use commas)
brachiocephalic trunk, left common carotid artery, left subclavian artery
The process of red blood cell production is called_____.
erythropoiesis
A plasma protein essential for blood coagulation is _____ .
fibrinogen
Pulmonary arteries carry blood to the _____.
lungs
The function of hemoglobin is to carry _____.
oxygen
The function of red blood cells is to carry _____ from the lungs to the body's cells.
oxygen
The wall of a blood vessel is composed of three layers. Name the 3 layers (use commas)
tunica intima, tunica media, tunica externa