Amnesia that is produced by a blow to the head that does not penetrate the skull is called post-traumatic amnesia.
This is referred to as a medical condition which is characterized by a person not being able to recall information that is stored in their memory anymore due to different reasons.
Post traumatic amnesia on the other hand is referred to as a condition in which there is an altered brain function that may follow a traumatic brain injury such as a blow to the head which is therefore the reason why it was chosen as the correct choice.
Read more about Amnesia here https://brainly.com/question/28321658
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