Which of the Following Is the Most Likely Explanation for the Lack

question 20

Multiple Choice

Which of the following is the most likely explanation for the lack of a filter blocking the passage of alcohol between the maternal and fetal circulations in humans?

• A) There has not been enough time to evolve such a barrier.
• B) Such a barrier would probably also block important molecules that need to be passed to the fetus.
• C) The maternal and fetal blood mix directly together in an area with many villi, so a barrier is impossible.
• D) Alcohol has some positive effects on the fetus, so evolution has resulted in an intermediate level of filtering that blocks all but the worst abuses of alcohol.

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Definitions:

Percentage Completion

An accounting method used to recognize revenues and expenses of long-term projects proportionally to the work completed.

Future Costs

Expected or estimated costs that a company will incur in the future, which can impact financial planning and decision-making.

Conceptual Framework

A system of ideas and objectives that guide the development, preparation, and interpretation of financial reporting and accounting standards.