Test Bank for Larsen’s Human Embryology, 5th Edition

Test Bank for Larsen’s Human Embryology, 5th Edition Test Bank 1-2 Schoenwolf et al.: Larsen's Human Embryology, 5th Edition Chapter 1: Gametogenesis, Fertilization, and First Week Test Bank MULTIPLE CHOICE 1. A child with a large sacrococcygeal teratoma is delivered by cesarean section. The teratoma likely arose from which type of cells? A. Neuroectodermal stem cells B. Neural crest cells C. Primitive streak cells D. Primordial germ cells E. Secondary oocyte cells ANS: D 2. A baby is diagnosed with Down syndrome shortly after birth. Which of the following events occurred abnormally during prenatal development? A. Anaphase of mitosis B. Metaphase of mitosis C. Telophase of mitosis D. Anaphase of meiosis E. Metaphase of spermatogenesis ANS: D