_______ is the carrier for various nutrients that cannot be digested and absorbed without a liquid medium

Which of the following is true regarding the maximum life span?

A) Almost all persons die before reaching the maximum life span. B) The maximum life span is different for every person and takes into account health status and occupation. C) The maximum life span is approximately 100 years of age. D) The maximum life span is the average years a person is expected to live based on health status.

The borders of buccal and lingual caries are usually ill defined radiographically

Indicate whether the statement is true or false