Pregunta 1
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Blood is a fluid connective tissue that circulates continually around the body
Pregunta 2
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Blood is not a fluid connective tissue that circulates continually around the body
Pregunta 3
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Blood has a pH of 7.35 - 7.45 - slightly alkaline
Pregunta 4
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Average volumes of blood select 2
Pregunta 5
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Select three functions of blood
Respuesta
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Homeostasis
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Transport
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Defence
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primarily keeping warm
Pregunta 6
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What is transported by blood? (5)
Pregunta 7
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Blood is involved in homeostasis by regulating body temp, pH and regulating the blood volume
Pregunta 8
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Blood is not involved in homeostasis by regulating body temp, pH and regulating the blood volume
Pregunta 9
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Blood is 55% plasma and 45% formed elements (erythrocytes, leuko, platelets etc)
Pregunta 10
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Blood is mostly plasma and but also has formed elements (erythrocytes, leuko, platelets etc)
Pregunta 11
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Is plasma the same as serum?
Pregunta 12
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Serum has no clotting factor
Pregunta 13
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Serum is plasma without the clotting factor
Pregunta 14
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Plasma proteins are mostly produced by the liver
Pregunta 15
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Plasma does not stay in the blood
Pregunta 16
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Plasma proteins are too big to escape through the blood vessels
Pregunta 17
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Plasma proteins are made of albumin, globulins, clotting factors and regulatory enzymes and hormones
Pregunta 18
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Sodium ions are involved in water balance
Pregunta 19
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Potassium ions are involved in neuronal and muscle activation
Pregunta 20
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Calcium ions are important in nerve transmission
Pregunta 21
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Chloride ions, bicarb ions and phosphate ions are important electrolytes
Pregunta 22
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Venipuncture is a superficial vein puncture at anterior surface of elbow
Pregunta 23
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Venipuncture is a superficial vein puncture at posterior surface of elbow
Pregunta 24
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Capillary puncture is a finger tip, ear lobe, big toe or heel
Pregunta 25
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Arterial puncture is used to check efficiency of pulmonary gas exchange
Pregunta 26
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Haemopoiesis is the forming of blood cells
Pregunta 27
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Haemopoiesis occurs in flat and irregular bone marrow
Pregunta 28
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Haemopoietic stem cells form into myeloid stem and lymphoid stem cells
Pregunta 29
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Haemopoietic stem cells do not form into myeloid stem and lymphoid stem cells
Pregunta 30
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Select 4 types of cells the myeloid stem cell can develop into
Respuesta
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RBC
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Platelets
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Granulocytes
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Lymphocytes
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Monocyte
Pregunta 31
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Select 3 different cells lymphoid stem cells can develop into
Respuesta
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Natural killer cells
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T Lymphocytes
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B Lymphocytes
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RBC
Pregunta 32
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Erythrocyte life span is 100 - 120 days
Pregunta 33
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Macrophages phagocytose worn out RBC's
Pregunta 34
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Haemoglobin is broken down into haemoglobin when RBC's are being destroyed
Pregunta 35
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Iron from haem is recycled to make new haemoglobin
Pregunta 36
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Globin is broken down into amino acids and released into the bloodstream when the RBC is being broken down.
Pregunta 37
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Erythropoiesis - production of red blood cells from precursor stem cells
Pregunta 38
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Stem cells take 7 days to form into RBC's
Pregunta 39
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Erythropoiesis requires amino acids, folic acid and vit B12
Pregunta 40
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Erythropoietin acts on the bone marrow to stimulate erythropoiesis
Pregunta 41
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Erythropoietin does not stimulate erythropoiesis
Pregunta 42
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Lack of functioning RBC's can result in hypoxia
Pregunta 43
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EPO can produce 30 million red blood cells per second
Pregunta 44
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EPO can produce 100 million red blood cells per second
Pregunta 45
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Kidneys secrete Erythropoetin into the blood
Pregunta 46
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Leukocyte rolling - when leukocytes leave the bloodstream and move to the site of infection
Pregunta 47
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Leukocytes make up ....
Respuesta
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1% of the blood stream
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25% of the blood stream
Pregunta 48
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A Granulyte is a ....
Respuesta
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a white blood cell which does not granules in its cytoplasm, i.e. a neutrophil, basophil, or eosinophil.
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a white blood cell with secretory granules in its cytoplasm, i.e. a neutrophil, basophil, or eosinophil.
Pregunta 49
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Agranulocytes are...
Pregunta 50
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Neutrophils make up
Respuesta
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40-75% of leukocytes
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10-75% of leukocytes
Pregunta 51
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Neutrophils are also known as polymorphonuclear leukocytes due to the variable shapes of their nucleus
Pregunta 52
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Pseudopodium is a temporary protrusion of the surface of an amoeboid cell for movement and feeding.
Pregunta 53
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Eosinophils are found at the sites of allergic reactions and digest parasitic worms that are too large to be phagocytosed
Pregunta 54
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Leukocytes are similar to mast cells and are involved in the inflammatory response.
Pregunta 55
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There are three types of Lymphocytes: T Cells, B Cells and Natural killer cells.
Pregunta 56
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Select the three types of Lymphocytes:
Respuesta
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T Cells, B Cells and Natural killer cells.
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T Cells, B Cells and Monocytes
Pregunta 57
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Monocytes are actively motile and phagocytic, they are crucial against viruses, bacterial parasites and infections.
Pregunta 58
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Platelets are cell fragments with no nucleus but lots of granules, lysosomes and mitochondria.
Pregunta 59
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Blood clotting is also known as haemostasis
Pregunta 60
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Anaemia; blood either has a lower than normal number of RBC's or a lower than normal amount of haemoglobin in each RBC
Pregunta 61
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Leukocytosis: increased WBC due to infection of inflammation.
Pregunta 62
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Leukopenia: decreased WBC, can be caused by chemotherapy, radiation, overwhelming infection.
Pregunta 63
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Leukaemia is caused in the bone marrow by cancerous leukocytes, immature nonfunctional WBC's in the bloodstream.
Pregunta 64
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Thrombocytopenia: decreased platelet numbers, results in bleeding.
Pregunta 65
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Thrombocytosis: Increased platelet numbers, results in clotting within blood vessels.
Pregunta 66
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Thrombocytopenia: : Increased platelet numbers, results in clotting within blood vessels.
Pregunta 67
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Haematocrit is the ratio of the volume of red blood cells to the total volume of blood.
Pregunta 68
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Haematopoeisis is the ratio of the volume of red blood cells to the total volume of blood.
Pregunta 69
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A karyotype is simply a picture of a person’s chromosomes.
Pregunta 70
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Cells differentiate to do different jobs, and need to express different genes
Pregunta 71
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How is a gene expressed?
Pregunta 72
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Ribosomes string together amino acids in the correct sequence (determined by the genetic code) to make proteins
Pregunta 73
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Ribosomes are Protein assembly machines.
Pregunta 74
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The ER functions as a manufacturing and packaging system.
Pregunta 75
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Rough ER: Protein folding and modification
Smooth ER: Lipid production
Pregunta 76
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Smooth ER: Protein folding and modification
Rough ER: Lipid production
Pregunta 77
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Golgi Apparatus: The protein packaging & shipping department.
Pregunta 78
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Diffusion is the net passive movement of particles (atoms, ions or molecules) from a region in which they are in higher concentration to regions of lower concentration.
Pregunta 79
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Osmosis is the net passive movement of particles (atoms, ions or molecules) from a region in which they are in higher concentration to regions of lower concentration.
Pregunta 80
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Osmosis: a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.
Pregunta 81
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The process of normal cell division:
Pregunta 82
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Apoptotic genes:
Respuesta
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Promote cell death
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Promote cell division
Pregunta 83
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Proto-oncogenes:
Respuesta
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Promote cell division
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Promote cell death
Pregunta 84
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There are four main tissue types: Epithelial Tissue, Connective Tissue, Muscle Tissue & Nervous tissue