Test
Weeks 1 - 4 HUBS1406
Preguntas del test (84)
1Blood is a fluid connective tissue that circulates continually around the body
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2Blood is not a fluid connective tissue that circulates continually around the body
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3Blood has a pH of 7.35 - 7.45 - slightly alkaline
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4Average volumes of blood select 2
- A5-6l for males
4-5l for females - B6-7l for males
5-6l for females
- A5-6l for males
5Select three functions of blood
- AHomeostasis
- BTransport
- CDefence
- Dprimarily keeping warm
6What is transported by blood? (5)
- ADissolved gases, O2 and CO2
- BNutrients
- CFat
- DMetabolic wastes
- EHormones
- FCSF
7Blood is involved in homeostasis by regulating body temp, pH and regulating the blood volume
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8Blood is not involved in homeostasis by regulating body temp, pH and regulating the blood volume
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9Blood is 55% plasma and 45% formed elements (erythrocytes, leuko, platelets etc)
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10Blood is mostly plasma and but also has formed elements (erythrocytes, leuko, platelets etc)
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11Is plasma the same as serum?
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12Serum has no clotting factor
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13Serum is plasma without the clotting factor
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14Plasma proteins are mostly produced by the liver
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15Plasma does not stay in the blood
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16Plasma proteins are too big to escape through the blood vessels
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17Plasma proteins are made of albumin, globulins, clotting factors and regulatory enzymes and hormones
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18Sodium ions are involved in water balance
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19Potassium ions are involved in neuronal and muscle activation
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20Calcium ions are important in nerve transmission
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21Chloride ions, bicarb ions and phosphate ions are important electrolytes
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22Venipuncture is a superficial vein puncture at anterior surface of elbow
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23Venipuncture is a superficial vein puncture at posterior surface of elbow
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24Capillary puncture is a finger tip, ear lobe, big toe or heel
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25Arterial puncture is used to check efficiency of pulmonary gas exchange
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26Haemopoiesis is the forming of blood cells
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27Haemopoiesis occurs in flat and irregular bone marrow
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28Haemopoietic stem cells form into myeloid stem and lymphoid stem cells
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29Haemopoietic stem cells do not form into myeloid stem and lymphoid stem cells
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30Select 4 types of cells the myeloid stem cell can develop into
- ARBC
- BPlatelets
- CGranulocytes
- DLymphocytes
- EMonocyte
31Select 3 different cells lymphoid stem cells can develop into
- ANatural killer cells
- BT Lymphocytes
- CB Lymphocytes
- DRBC
32Erythrocyte life span is 100 - 120 days
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33Macrophages phagocytose worn out RBC's
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34Haemoglobin is broken down into haemoglobin when RBC's are being destroyed
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35Iron from haem is recycled to make new haemoglobin
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36Globin is broken down into amino acids and released into the bloodstream when the RBC is being broken down.
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37Erythropoiesis - production of red blood cells from precursor stem cells
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38Stem cells take 7 days to form into RBC's
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39Erythropoiesis requires amino acids, folic acid and vit B12
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40Erythropoietin acts on the bone marrow to stimulate erythropoiesis
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41Erythropoietin does not stimulate erythropoiesis
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42Lack of functioning RBC's can result in hypoxia
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43EPO can produce 30 million red blood cells per second
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44EPO can produce 100 million red blood cells per second
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45Kidneys secrete Erythropoetin into the blood
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46Leukocyte rolling - when leukocytes leave the bloodstream and move to the site of infection
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47Leukocytes make up ....
- A1% of the blood stream
- B25% of the blood stream
48A Granulyte is a ....
- Aa white blood cell which does not granules in its cytoplasm, i.e. a neutrophil, basophil, or eosinophil.
- Ba white blood cell with secretory granules in its cytoplasm, i.e. a neutrophil, basophil, or eosinophil.
49Agranulocytes are...
- ANeutrophil, eosinophil and basophil
- BMonocyte and lymphocyte
50Neutrophils make up
- A40-75% of leukocytes
- B10-75% of leukocytes
51Neutrophils are also known as polymorphonuclear leukocytes due to the variable shapes of their nucleus
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52Pseudopodium is a temporary protrusion of the surface of an amoeboid cell for movement and feeding.
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53Eosinophils are found at the sites of allergic reactions and digest parasitic worms that are too large to be phagocytosed
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54Leukocytes are similar to mast cells and are involved in the inflammatory response.
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55There are three types of Lymphocytes: T Cells, B Cells and Natural killer cells.
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56Select the three types of Lymphocytes:
- AT Cells, B Cells and Natural killer cells.
- BT Cells, B Cells and Monocytes
57Monocytes are actively motile and phagocytic, they are crucial against viruses, bacterial parasites and infections.
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58Platelets are cell fragments with no nucleus but lots of granules, lysosomes and mitochondria.
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59Blood clotting is also known as haemostasis
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60Anaemia; blood either has a lower than normal number of RBC's or a lower than normal amount of haemoglobin in each RBC
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61Leukocytosis: increased WBC due to infection of inflammation.
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62Leukopenia: decreased WBC, can be caused by chemotherapy, radiation, overwhelming infection.
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63Leukaemia is caused in the bone marrow by cancerous leukocytes, immature nonfunctional WBC's in the bloodstream.
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64Thrombocytopenia: decreased platelet numbers, results in bleeding.
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65Thrombocytosis: Increased platelet numbers, results in clotting within blood vessels.
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66Thrombocytopenia: : Increased platelet numbers, results in clotting within blood vessels.
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67Haematocrit is the ratio of the volume of red blood cells to the total volume of blood.
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68Haematopoeisis is the ratio of the volume of red blood cells to the total volume of blood.
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69A karyotype is simply a picture of a person’s chromosomes.
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70Cells differentiate to do different jobs, and need to express different genes
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71How is a gene expressed?
- AConversion from a code on DNA to a new protein ..
- BConversion from a code on DNA to a nucleus
72Ribosomes string together amino acids in the correct sequence (determined by the genetic code) to make proteins
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73Ribosomes are Protein assembly machines.
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74The ER functions as a manufacturing and packaging system.
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75Rough ER: Protein folding and modification
Smooth ER: Lipid production- AVerdadero
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76Smooth ER: Protein folding and modification
Rough ER: Lipid production- AVerdadero
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77Golgi Apparatus: The protein packaging & shipping department.
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78Diffusion 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.
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79Osmosis 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.
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80Osmosis: 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.
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81The process of normal cell division:
- AMitosis
- BMeiosis
82Apoptotic genes:
- APromote cell death
- BPromote cell division
83Proto-oncogenes:
- APromote cell division
- BPromote cell death
84There are four main tissue types: Epithelial Tissue, Connective Tissue, Muscle Tissue & Nervous tissue
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Información
- Descripción
- Weeks 1 - 4 HUBS1406
- Autor
- Jessica Bulley
- Idioma
- English
- Visitas
- 96
- Etiquetas
- Valoración
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