24 Questions
What is the primary source of energy for the Earth?
Solar fusion
Which of the following is a shared characteristic of life?
Reproduction
What is the primary source of iodine in the body?
Thyroid gland
Which subatomic particle has a negative charge?
Electron
What is the primary purpose of a PET scan?
To detect cancer using Fluorodeoxyglucose (FDG)
What type of bonding involves the sharing of electrons between atoms?
Covalent bonding
What type of bonding holds fluorine-18 to the glucose molecule in a PET scan?
Covalent Bonds
Fluorine-18 will release a positron as it decays. This is an example of what type of decay?
Beta-minus decay
In beta-minus decay, did the atomic number change?
Yes
Did the atomic mass change in beta-minus decay?
No
What type of decay results in the darker regions of the image in a PET scan?
Beta-plus decay
What is the primary source of energy for the Earth?
Solar fusion
What is the primary function of FDG in a PET scan?
To detect areas with high glucose metabolism
Which subatomic particle has a negative charge?
Electron
What is the primary purpose of a PET scan?
To monitor metabolic activity
What type of bonding involves the sharing of electrons between atoms?
Covalent bonding
Which of the following is a shared characteristic of life?
Metabolism
Fluorine-18 will release a positron as it decays. This is an example of what type of decay?
Beta-plus decay
What type of decay results in the darker regions of the image in a PET scan?
Beta-plus decay
In beta-minus decay, did the atomic number change?
Yes, it increases by 1
What is the primary function of FDG in a PET scan?
To help detect areas of high metabolic activity
What type of bonding holds fluorine-18 to the glucose molecule in a PET scan?
Covalent bonds
Fluorine-18 will release a positron as it decays. This is an example of what type of decay?
Beta-plus decay
Which subatomic particle has a negative charge?
Electron
Explore the shared characteristics of life, basics of chemical elements, types of chemical bonding, and interpretation of positron emission topography in this introductory quiz on biology and chemistry.
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