Test Bank For Dental Assisting for Modern Dental Assisting 14th Edition Editors Jeffrey R. Smith & Debbie S. Robinson All Chapters Covered.

Test Bank For Dental Assisting for Modern Dental Assisting 14th Edition Editors : Jeffrey R. Smith & Debbie S. Robinson Chapter 1. Oral Embryology and Histology 1. Which of the following is the process by which the cells of the fertilized egg divide and form a ball of cells during embryonic development? A. Cleavage B. Differentiation C. Organogenesis D. Implantation Answer: A. Cleavage Rationale: Cleavage is the series of rapid mitotic divisions that occur after fertilization, leading to the formation of a ball of cells known as the morula. DIF: Easy TOP: Embryonic development MSC: Multiple Choice 2. During the first week of embryonic development, the fertilized egg becomes a structure called a: A. Zygote B. Blastocyst C. Morula D. Embryo Answer: B. Blastocyst Rationale: After fertilization and cleavage, the ball of cells (morula) forms into a blastocyst, which implants into the uterine wall. DIF: Easy TOP: Embryonic development MSC: Multiple Choice 3. The oral cavity begins to develop during which of the following stages of embryonic development? A. Zygote B. Fetal C. Pre-implantation D. Embryonic Answer: D. Embryonic Rationale: The development of the oral cavity starts during the embryonic stage, around the third week of pregnancy, as the facial structures begin to form. DIF: Moderate TOP: Oral cavity development MSC: Multiple Choice 4. The process by which the neural tube forms and begins to develop into the brain and spinal cord is known as: A. Gastrulation B. Neurulat ...