Human Radiation Response
Stochastic Effect
What is the most basic level of composition of the human body? (The level at which radiation interacts in the human body)
What is the radiation-sensitive target molecule of the cell?
DNA
What are immature cells called? And are they more or less sensitive to radiation than mature cells?
Stem Cells, more sensitive
What's Lorinda's middle name?
Lowe
If the radiation response increases in SEVERITY with increasing radiation dose, it is called a ___ effect (occurs within days after radiation exposure)
Deterministic Effect
Define cell theory
All living things are composed of cells, and the cell is the basic unit of life
What are the two major structures of the human cell?
Nucleus and Cytoplasm
What are the base pairs of the DNA double helix?
Adenine & Thymine
Cytosine & Guanine
What is Scott's pet goats name?
Sparkles
At ____ stage in the sequence of events between radiation exposure and resultant human injury, it is possible to repair radiation damage and recover
At nearly every stage
What percentage of the human body's composition is water?
And what percentage is protein?
80% water
15% protein
What is the process by which genetic cells undergo reduction division?
Meiosis
Define cell proliferation
The act of a single cell or group of cells reproducing and multiplying in number
Lorinda es embarazada?
No.
What is the definition of radiobiology?
The study of the effects of ionizing radiation on biological tissue
Define catabolism and anabolism
Together, what process do they make up?
Catabolism: breaking macromolecules into smaller units
Anabolism: producing large molecules from small molecules
Together they create metabolism
Name the four stages of mitosis in order
1. Prophase
2. Metaphase
3. Anaphase
4. Telophase
1. Nervous
2. Reproductive
3. Digestive
4. Respiratory
5. Endocrine
What breed of dog does Lydia have?
Frenchie
Name THREE deterministic effects of radiation on humans
Options vary but can include:
Acute radiation syndrome (hematologic syndrome, gastrointestinal syndrome, central nervous system syndrome)
Local tissue damage (skin, eyes, etc.)
Hematologic depression
Cytogenetic damage
What are the four primary macromolecules in the human body?
1. Proteins
2. Lipids (fats)
3. Carbohydrates (sugar and starches)
4. Nucleic Acids
During which stage of mitosis is radiation-induced chromosome damage analyzed?
Metaphase (because this is the phase in which chromosomes appear and are lined up along the equator of the nucleus)
List the levels of organization in the human body, beginning with the atom and ending at the organism (Hint: there are 9)
1. Atom
2. Molecule
3. Macromolecule
4. Organelle
5. Cell
6. Tissue
7. Organ
8. Organ system
9. Organism
How long is Kaitlynn's drive to school every morning?
2 hours