HUBS2103 PRACTICE MCQs- Mid semester exam 1. Which of the following statements is incorrect? a. The entire nervous system forms from the dorsal layer of 3 layered germ disc. b. Brain development shapes the internal contours of the braincase. c. The spinal cord develops in the rostral part of the neural tube. d. The dorsal layer of the 3 layered germ disc called the ‘ectoderm’. 2. Which of the following do not develop from cells of the neural crest? a. Epidermal cells b. Autonomic ganglion cells c. Schwann cells d. Melanocytes 3. The notochord develops into which structure? a. Pons b. C1 vertebrae c. Nucleus pulposus d. Spinal cord 4. The 3 primary vesicles/swellings of the neural tube are known as: a. Telencephalon, diencephalon, mesencephalon b. Midbrain, rhombencephalon, telencephalon c. Prosencephalon, medulla, rhombencephalon d. Prosencephalon, mesencephalon, rhombencephalon 5. The midbrain is a derivative of the: a. Prosencephalon b. Rhombencephalon c. Lateral ventricle d. Mesencephalon 6. In the developing spinal cord the alar plate: a. Marks/outlines the future sensory region b. Marks/outlines the future motor region c. Is located on the ventral aspect of the cord d. Forms on top of the basal plate 7. Anencephaly results from: a. An X-linked gene b. Failure of rostral end of neural tube to close c. Failure of the caudal end of the neural tube to close d. Malformation of the notochord