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Physio lab 6
lab 6
74
Biology
Undergraduate 3
10/28/2012

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Term
What are the three sub-bullets under "transportation" in the circulatory system?
Definition
respiratory, nutritive, and excretory
Term
How does transportation support homeostasis?
Definition
moving essential nutrients throughout the body
Term
What does the cardiovascular system consist of?
Definition
heart and blood vessels
Term
What does the pumping action of the heart create?
Definition
pressure needed to push blood through vessels to lungs and tissues
Term
How many liters of blood can an adult heart pump at rest (per minute)
Definition
5 Liters
Term
What do blood vessels do?
Definition
permit blood flow from heart to the cells and back to the heart
Term
What is the flow of blood? (arrows)
Definition
arteries --> arterioles -> capillaries -> venules -> veins
Term
What does the respiratory portion of the circ system transport?
Definition
O2, NO, SNO, CO2
Term
What are the two regulatory functions in the circulatory system?
Definition
hormonal and temperature
Term
What proteins act against pathogens?
Definition
leukocytes, cytokines and complement proteins
Term
How does the circ system aid in protection?
Definition
protects the body from blood loss due to injury and against pathogens that are introduced into the body
Term
What are the components of the blood?
Definition
plasma and serum
Term
What is plasma
Definition
straw-colored fluid with dissolved solutes and clotting factors
Term
What is serum?
Definition
same as plasma but without clotting factors
Term
Where in the centrifuged tube do you find platelets and white blood cells?
Definition
the 'buffy coat' in the formed elements
Term
Where in the centrifuge do you find red blood cells?
Definition
formed elements
Term
What is the major component (90%) of plasma?
Definition
water
Term
What is 7-9 percent of plasma?
Definition
plasma proteins
Term
What are albumins
Definition
a plasma protein
Term
What is the smallest plasma protein? and what percentage of the total plasma proteins is it?
Definition
albumin, 60-80
Term
How do albumins affect osmotic pressure?
Definition
They provide the colloid osmotic pressure needed to draw water from the surrounding tissue fluid into the capillaries. This action is needed to maintain blood volume and pressure
Term
What plasma protein carries various substances that are poorly soluble in plasma, for transport in the plasma?
Definition
albumin
Term
What are the three types of globulins?
Definition
alpha, beta, gamma
Term
What are alpha and beta plasma proteins?
Definition
They are globulins that transport lipids and fat soluble vitamins
Term
What are gamma plasma proteins?
Definition
globulin antibodies produced by lymphocytes and function in immunity
Term
Fibrinogen accounts for what percent of plasma proteins?
Definition
4%
Term
What does fibrinogen form?
Definition
insoluble fibrin threads essential in blood hemostatis
Term
In total, what is in plasma?
Definition
water, plasma proteins, ions, metabolites, hormones, and blood gases
Term
What are erythrocytes?
Definition
glatened, bioconcave discs that provide increased surface area for gas diffusion
Term
What do erythrocytes lack? and what is their life span?
Definition
nuclei and mitochondria, 120 days
Term
What is the function of erythrocytes?
Definition
oxygen transport
Term
How many hemoglobin molecules does one erythrocyte contain?
Definition
280 million
Term
How many molecules of oxygen is each hemoglobin molecule able to bind
Definition
4
Term
What do leukocytes contain?
Definition
nuclei, mitochondria and other organelles
Term
How do leukocytes move?
Definition
ameboid fashion and squeeze through pores in capillary walls
Term
How do leukocytes move in capillary walls?
Definition
diapedesis or extravasation
Term
Leukocytes: Granulocytes: 3
Definition
basophils, eosinophils, neutrophils
Term
Leukocytes: Agranulocytes: 2
Definition
lymphocytes, monocytes
Term
Agranulocytes structure: small lymphocytes
Definition
large spherical nucleus
Term
Agranulocytes structure: monocytes
Definition
kidney-shaped nucleus
Term
Granulocyte structure: neutrophil
Definition
multilobed nucleus
Term
Granulocyte structure: Eosinophil
Definition
bilobed nucleus; red cytoplasmic granules
Term
Granulocyte structure: Basophil
Definition
bilobed nucleus, purplish-black cytoplasmic granules
Term
What percent of white blood cell are lymphocytes?
Definition
25-30
Term
What is the life of a lymphocyte?
Definition
days to years
Term
What are lymphocytes considered?
Definition
part of the immune system which fight against microorganisms, foreign substances, cancet, etc.
Term
Do lymphocytes have specific granules?
Definition
No
Term
What type of cellular junk do you find in lymphocytes?
Definition
mitochondria, sparse SER, many polysomes and a small Golgi apparatus
Term
How are leukocytes classified?
Definition
by staining properties
Term
Chart on all the white blood cells, no way am I making flashcards for all that
Definition
Term
What are the smallest of the formed elements? What do they lack?
Definition
platelets, nuclei
Term
what are platelets derived from?
Definition
megakaryotyces in the bone marrow
Term
How do platelets move?
Definition
amoeboid movement
Term
What is the primary function of platelets and how long do they live?
Definition
hemostasis, and 5-10 days
Term
What are antigens?
Definition
they are found on the surface of cells to help the immune system recognize self cells
Term
What are antibodies?
Definition
they are secreted by lymphocytes in response to foreign cells
Term
What is the ABO system
Definition
antigens on erythrocyte cell surface
Term
When does a hemolytic transfusion reaction occur?
Definition
if mismatched blood is infused
Term
When does agglutination occur?
Definition
when donor blood is incompatible with recipient blood.
Term
During a transfusion, what cells are transferred into the recipient? What is the exception to this?
Definition
red, if they are a perfect match
Term
Presence of an Rh (Rho(D) or D antigen) is denoted by what?
Definition
+ after ABO blood type
Term
Absence of an Rh (Rho(D) or D antigen) is denoted by what?
Definition
- after ABO blood type
Term
When will Rh-negative people produce antibodies?
Definition
when they are exposed to the Rh antigen
Term
Blood type A is what combination of genotypes?
Definition
AA or AO
Term
What are the three stages of hemostasis?
Definition
Vascular spasm, chemotaxis platelet aggregation and platelet plug formation
Term
What is the intrinsic pathway associated with fibrinogen -> fibrin
Definition
blood left in a test tube will clot on its own without the addition of external chemicals
Term
What is the extrinsic pathway associated with fibrinogen -> fibrin
Definition
damaged tissues release chemicals that initiate clotting
Term
What is the circulatory system composed of?
Definition
heart, blood vessels, and blood
Term
Super long definition of blood
Definition
a fluid type: connective tissue which circulated through cardiovascular system and is the transport medium which gasses minerals, hormones and nutrient materials are transported over long distances of the body
Term
What are humoral agents?
Definition
antibodies
Term
What are the formed elements?
Definition
erythrocytes, leukocytes and platelets
Term
Which of the formed elements are the heaviest?
Definition
erythrocytes
Term
Platelets are fragments of what?
Definition
megakaryocytes
Term
What are the staining things of a platelet?
Definition
Dark-staining granular portion: chromomere
light-staining portion: hyalomere
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