Single Premium Life Insurance Policies

Single premium Life Insurance?
In single-premium whole life insurance, is the nominal value stay the same for the rest of the lives of people with only a premium or is the decline in nominal value over time? Is there a cash value? Is there anyone familiar enough to explain this policy for me. I'm studying for my insurance exam, but I can not find this in the book.
In the real world, any number of scenarios are possible. If you are asking the question, because of its review of the state, to see the answer in the book or call the multitude of classes for the response. They want you to regurgitate that response in the test. Do not worry about the real world until after his license, because it is much more complex.
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