Tuesday, September 14, 2010
Monday, September 13, 2010
Tuesday, August 17, 2010
Monday, August 16, 2010
Sunday, August 1, 2010
Thursday, July 29, 2010
Thrombocytopenia may result from the use of certain drugs, quinidine, rifampin, heparin, nonsteroidal anti-inflammatory agents, histamine blockers, most chemotherapeutic agents, allopurinol and alcohol.
Treatment of thrombocytopenia varies according to the cause. If thrombocytopenia is drug-induced, then removal of the offending agents should correct the condition.
Corticosteroids may be used to increase platelet production. Lithium carbonate or folate may also be used to stimulate the bone marrow production of platelets. Platelet transfusions may be used to stop episodic abnormal bleeding caused by a low platelet count. However, if platelet destruction results from an immune disorder, platelet infusions may have only a minimal effect and may be reserved for life-threatening bleeding.
Splenectomy may be necessary to correct thrombocytopenia caused by platelet destruction. A splenectomy should significantly reduce platelet destruction because the spleen acts as the primary site of platelet removal and antibody production.
Patients with idiopathic thrombocytopenic purpura may require high-dose intravenous immunoglobulin. Patients with thrombotic thrombocytopenic purpura will probably require large-volume plasma exchange.http://www.healthscout.com/ency/68/215/main.html#TreatmentofThrombocytopenia
How Can Thrombocytopenia Be Prevented?
Whether you can prevent thrombocytopenia depends on its specific cause. Most cases of the condition can't be prevented. However, you can take steps to prevent its complications.
- Avoid heavy drinking. Alcohol slows the production of platelets.
- Avoid medicines that have decreased your platelet count in the past.
- Be aware of medicines that may affect your platelets and raise your risk for bleeding. Two examples of such medicines are aspirin and ibuprofen. These medicines may thin your blood too much.
- Talk with your doctor about getting vaccinated for viruses that can affect your platelets. You may need vaccines for mumps, measles, rubella, and chickenpox. You may want to have your child vaccinated for these viruses as well. Talk to you child's doctor about these vaccines.
Septicemia is a severe illness in which bacteria is presence in the blood.
How can one get Septicemia?
Sepsis is caused by a bacterial infection that can begin anywhere in the body.
How is Septicemia treated?
Antibiotics such as Intravenous, Broad-spectrum antibiotics are often given in large doses. Specific antibiotics are given once the causative agent has been identified.
How can one prevent Septicemia?
There are vaccines that can protect you from it, such as Haemophilus influenza B or S. pneumoniae.
Monday, July 26, 2010
-What is it?
Coronary Heart Disease refers to the failure of coronary circulation to supply adequate circulation to cardiac muscles and surrounding tissue.
By Smoking, Radiotherapy to the chest, diabetes, hypertension, hyperlipidemia, competitiveness and time urgency
It will help in clotting the blood, reducing the risks of heart attacks.
-2) Angioplasty and Stent Implantation
-It improves blood flow to the heart by using a special balloon to open a blocked artery from the inside. After that, a special expandable metal tube (stent) is put into the site, and left in place to keep the artery open.
-3) Bypass Surgery
-It is an operation where blood flow is redirected around a narrowed area in the coronary arteries, allowing blood to flow more freely to the heart muscle.
-4) Implantable Cardiac Defribillators (ICDs)
-After a heart attack, some people develop abnormal heart rhythms that could be life-threatening. A small device, ICD, can be implanted in the chest and connect to the heart.
-Have a heart-healthy diet that are low in fat and cholesterol and include several daily servings of fruits and vegetables.
-Avoid or reduce stress
-Maintain a healthy body weight
-Control diabetes and cholesterol
-Lower your blood pressure
Group members: Wei Chern, Wei Jun, Yan Jin, Keith, Niloy
Sunday, July 18, 2010
Thursday, July 15, 2010
Monday, July 12, 2010
Tuesday, July 6, 2010
http://upload.wikimedia.org/wikipedia/en/thumb/e/e0/Biological_cell_vacuole.svg/400px-Biological_cell_vacuole.svg.pngThe Organelles of the Green Leaf Cell:
- Cell membrane
- Golgi Apparatus
- Rough Endoplasmic Reticulum
- Smooth Endoplasmic
- Large Central Vacuole
- Starch Grain
- Cell WallNucleus:controls all activities in the cell— This organelle's function is important as the cell's processes need to be controlled it does that.Cell membrane:controls all movement of the substances into and out of the cell.—The cell membrane's function is important as certain things in the cell need to stay in, and others out. The cell membrane does that.Golgi Apparatus:where lipids and protein are stored and packed for secretion out of the cell. — The lipids and proteins need to be sent out of the cell, before that is done, a storage container is required. The Golgi Apparatus does that job.Smooth Endoplasmic:processes lipids, carbohydrates and other substances. — Lipids, carbohydrates and other substances need to be processed before they are used, and the smooth endoplasmic does that job.Starch Grain:stores the excess glucose produces during photosynthesis in the form of starch. — The plant will make extra glucose during photosynthesis, and it is useful later on when the plant does not have enough food. The excess glucose is stored away in the form of starch in the starch grainCytoplasmCellular activities takes place.— The cellular activities need somewhere to take place and the cytoplasm is that placeLarge Central VacuoleIt is a water-filled volume enclosed by a membrane which maintains the cell's turgidity. It controls the movement of molecules.Cell WallA cell wall is composed of cellulose and hemicellulose. It is fully permeable and allows all substances to pass through it. It gives shape and protects the mechanical support to the plant. — The cell wall give the cell structural support and thus makes it stronger as a wholeRough Endoplasmic ReticulumThe endoplasmic reticulum (ER) is an Eukaryotic Organelle that forms an interconnected network of tubules, vesicles, and cisternal within cells. Rough endoplasmic reticulum processes proteins and they are studded with ribosomes.MitochondrionIt produces energy in the form of adenosine triphosphate (ATP) by breaking down food molecule glucose through the process of cellular respiration. Mitochondria are sometimes described as "cellular power plants" because they generate most of the cell's supply of ATP, used as a source of Chemical Energy. In addition to supplying cellular energy, mitochondria are involved in a range of other processes, such as signaling cellular differentiation, cell death, as well as the control of the cell cycle and cell growth.
1) What are the organelles found in the cell?
Nucleus, cytoplasm, cell membrane, cell wall, and vacuole.
2) What are the functions of these organelles?
Nucleus: Stores DNA which Is the cell, controls all cell activities
Cytoplasm: Place where cellular activities take place.
Cell membrane:It has selective permeable membrane, which controls the movement of substances in and out of the cell
Cell Wall: Give the plant its shape and is a fully permeable structure
Vacuole: Provides structural support and maintain turgor pressure.
3) Why are these functions of the organelles important to the living cell?
Without the nucleus, the cell cannot function.
Without the cytoplasm, cellular activities cannot take place.
Without the cell membrane, anything can enter the cell and it might get too turgid.
Without the cell wall, the plant does not get its shape.
Without the vacuole, the plant cannot maintain turgor pressure.
The red blood cell in human beings only contain haemoglobin and cytoplasm.
Haemogobin is a cell that is iron rich and is responsible for carrying the oxygen.
The function of haemoglobin is to carry oxygen for transportation to other parts of the body.
This function of the red blood cell is important to the other cells in the body because they all need oxygen to do their "tasks"
Monday, July 5, 2010
Area of focus:
a. What are the organelles found in the cell?
b. What are the functions of these organelles?
c. Why are these functions of the organelles important to the living cell?
CELLS alive! Interactive Animal and Plant Cell:http://www.cellsalive.com/cells/cell_model.htm
2. PurposeGames.com is a web site for educational learning and having fun at the same time.
Interactive Game on Cell Organelles:http://www.purposegames.com/game/153