Blood seminar - 6th February 2017

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  • Created by: Anjelala
  • Created on: 06-02-17 14:20
3 proteins in blood
1) Fibrinogen 2) Albumin 3)Globulin
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Low Albumin levels
Malnourished, poor protein intake
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Erythrocytes ( red blood cells) - Describe shape
Tiny, Biconcave discs
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Red blood cells structure?
- No nucleus -No mitochondria -
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Describe mitosis simply
Cellular divisions into daughter cells
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How long do red blood cells last?
120 days approx
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Where are red blood cells made?
Red bone marrow
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What is erythropoietin?
Chemical that stimulates red bone marrow to make erythrocytes
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Where are erythropoietin made?
Kidneys
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EPO
Drug version of erythropoietin - should only be used for medical reasons
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Where is the majority of C02 carried?
Plasma , quarter of it is carried in the red blood cells
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Buffering definition?
Method of maintaining correct ph in the body
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Alkaline scale
7-14
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How many globins make up haemoglobin?
- 2 alpha chains - 2 beta chains
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Definition of Globins?
- Protein chains
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What does the Haem in haemoglobin mean?
-Iron
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What are proteins made up of?
Amino acids
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What is mmhg?
Measurement of mercury
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Term for white blood cells?
Leukocytes
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Normal level of leukocytes?
4000-11000 per mm3
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term to describe increased white blood cells?
-Leukocytosis
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What does leukocytosis indicate?
- infection
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Define diapadesis
Method of entering tissues - lining up to blood vessels, squeezing out to enter the tissues
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Define Chemotaxis
Chemical signals to encourage movement /migration of cells
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Granulocytes Definiton
Cells constructed with granules
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Agranulocytes Definition
Cells that lack granules
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3 examples of granulocytes ?
1) Basophils 2) Eosinophils 3) Neutrophils
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Describe what granulocytes look like ?
Roughly spherical, shorter life span than red blood cells, has nucleus' arranged in lobes
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What does wbc stand for?
White blood count
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What are defensins?
chemicals like antibiotics
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How do neutrophils move?
- By chemotaxis
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Describe nucleus of eosinophils?
-Band of nuclear material connects nucleus in 2 lobes
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Work of eosinophils?
-Destroys worms in body - Reduces severity of allergy
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What is the rarest white blood cells?
Basophils
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What is Anaphylaxis ?
Major allergic reaction , can be life threatening
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What is the most common type of white blood cells?
- Neutrophils
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What are two types of Agranulocytes?
1) Lymphocytes 2) Monocytes
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What can lymphocytes be further classified as ?
T or B lymphocytes, which can further be classified like t helper cells
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What the of infection is HIV ?
Viral infection
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What do monocytes develop into?
- Macrophages in tissues
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What does phagocytic function mean?
Surrounding and engulfing
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What does macro mean?
BIG
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What does phage mean?
eaters
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What does ' Never Let Monkeys Eat Bananas' stand for?
Neutrophils, Lymphocytes, Monocytes, Eosinophils, Basophils
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3 process of blood clotting ?
1) Vascular spasm 2) Platelett plug formation 3) CoagulationV
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Vascular spasm definiton?
Blood vessels constrict to limit blood escape
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Platelet plug formation?
Platelets go to the injury site and stick to the collagen fibres that are exposed.
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Coagulation phase definition?
Coagulation cascade converts inactive proteins to active forms and forms a blood clot.
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Term for group of crucial proteins required for blood clotting ?
Clotting factors
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one of the most crucial vitamins equired for blood clotting ?
Vitamin K
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How long does a clot take to retract?
30- 60 minutes
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What is Anaemia ?
Blood disorder caused by iron deficiency
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What is Polycythemia?
Blood disorder where individual has a large amount of red blood cells - Associated with respiration issues
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What is Leukopenia?
Blood disorder where individual has low number of white blood cells - Associated with issues with bone marrow
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What is thrombocytopenia?
Blood disorder where you have low number of platelets - Associated to bleeding problems
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Other cards in this set

Card 2

Front

Low Albumin levels

Back

Malnourished, poor protein intake

Card 3

Front

Erythrocytes ( red blood cells) - Describe shape

Back

Preview of the front of card 3

Card 4

Front

Red blood cells structure?

Back

Preview of the front of card 4

Card 5

Front

Describe mitosis simply

Back

Preview of the front of card 5
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