INBDE (Integrated National Board Dental Examination) Practice Exam

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Prepare for the INBDE (Integrated National Board Dental Examination) exam. Study with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

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Where does the greatest drop in blood pressure occur?

  1. Transition from arteries to arterioles

  2. From arterioles to capillaries

  3. Within the capillaries

  4. From veins to venules

The correct answer is: Transition from arteries to arterioles

The greatest drop in blood pressure occurs at the transition from arteries to arterioles. This is due to the fact that arteries have thick elastic walls that can withstand high pressure and maintain a steady flow of blood, while arterioles have thinner walls and are able to regulate blood flow to different parts of the body, leading to a sudden drop in pressure as the blood moves from the arteries (high pressure) to the arterioles (lower pressure). The other options are not correct because the drop in blood pressure is highest specifically at the transition from arteries to arterioles, rather than at other points in the circulatory system.