Term
| What are the three major parts to cell structure |
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Definition
| 1 Cell membrane 2 Cytoplasm 3 Nuclues |
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Definition
| Only 100 Angstrom units, It helps regulate the concentration of water, salts, and organic matter which form the interior environment of the cell |
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Definition
| Jelly like substance in which the nucleus is suspended, it is encased within the cell membrane. this material is an aqueous solution of soluble proteins and salts which constitutes the interior environment of the cell |
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Definition
| Power plants, the oxygen is used for the oxidation of essential foodstuffs and the formation of carbon dioxide. ATP ( Adenosine Triphosphate) this molecule supplies the energy for all the activities of the cell, including reproduction and repair |
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Definition
| Contain the digestive enzymes that break down mouecules, such as those of fats, proteins, and nucleic acids |
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Definition
| Each cells contians a small usually oval body know as the ---- is an important center of the cell, |
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Term
| Absorbed does to rupture the cell membrane |
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Definition
| 3000-5000 rads ( 30-50 gray) |
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Term
| It requires a few thousand rad to disrupt their function. |
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Definition
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Term
| Lysosomes will be ruptured at dose levels between |
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Definition
| 500 and 1000 rads ( 5-10 gray) |
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Term
| Most sensitive part of the cell |
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Definition
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Term
| Law or Bergonie and Tribondeau |
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Definition
| The radio sensitivity of a tissue is directly proportional to is reproductive capacity and inversely proportional to its degree of differentiation |
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Term
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Definition
1 Germinal ( reproductive)
2 Hematopoietic ( bloodforming)
3 Basal cells of the skin
4 Epithelium of the gastrointestinal tract |
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Definition
1. Bone
2. Liver
3. Kidney
4. Cartilage
5. Muscle
6 Nervous tissue |
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Term
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Definition
| Those in which the probability within a population of the effect occurring increases with dose, without threshold |
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Term
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Definition
| Non-stochatic, effects are those in which the severity of the effect varies with the dose. For these types of effects a threshold does exits |
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Term
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Definition
| Defined as the dose of radiation expected to cause death (Lethal Dose) within 30 days to 50% of those exposed, without medical treatment. 300 to 500 rads (3-5 gray) usually stated as 450 rad (4.5 gray) |
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Term
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Definition
| as low as reasonably achievable |
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Term
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Definition
| exposure effects involve a low dose over a relatively long period of time ( weeks to years) |
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Term
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Definition
| Lens of the eye is highly susceptible to irreversible damage by radiation. Exposures as small as 600 to 900 R may produce a cataract, although the symptoms and signs may not apparent for years after the exposure |
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Term
| An extension of life and a lower incidence of cancer has been seen in rodents exposed to lower doses |
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Definition
| 100 to 400 rads 1-4 gray over a lifetime |
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Term
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Definition
| Effects that occur within 1-2 months of the exposure. Normally acute effects are only observed if the dose is greater than 10 rads (0.1 gray) and delivered over a short time |
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Term
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Definition
| Radiation that is good for you |
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Term
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Definition
| acute whole body doeses 200 to 1000 rads. blood forming |
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Term
| Gastointertinal tract syndrome |
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Definition
| acute whole body exposures from 1000 to 5000 rads. Survival is impossible. Death occurs from 1 to 3 days |
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Term
| Central Nervous System (CNS) Syndrome |
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Definition
| aucte whole body exposures above 5000 rads. Survival is impossible Results in respiratory failure and or brain edema ( swelling of the brain) Death within 30 Hours |
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Term
| When a female is pregnant what does there dose reduce to |
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Definition
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Term
| Somatic Effects happen where |
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Definition
| Effects happen in you, such as skin redding, hair loss, and vomiting |
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Term
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Definition
| is estimated to be greater than 100 rem ( 1 Sievert) per generation. The dose of radiation which will double the natural mutation rate in man |
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