Prepare for the Dental Admissions Test with a comprehensive quiz that includes multiple-choice questions to sharpen your knowledge and skills. Engage with interactive flashcards and detailed explanations to boost your confidence and performance on the exam.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.


What is the part of a long bone that is made up of compact bone and encloses the marrow cavity?

  1. Diaphysis

  2. Epididymis

  3. Acrosome

  4. Diploid

The correct answer is: Diaphysis

The correct answer is A. Diaphysis. The diaphysis is the shaft of a long bone that is composed of compact bone. It encloses the marrow cavity where bone marrow is stored. The other options are not related to the structure of a long bone. B. Epididymis is a part of the male reproductive system, C. Acrosome is a structure found in sperm cells, and D. Diploid refers to cells having two sets of chromosomes.