DAA Lecture Exam 3 Questions with Correct Answers Latest Update 2025 already Passed

DAA Lecture Exam 3 Questions with Correct Answers Latest Update 2025 already Passed the central nervous system consists of - Answers brain and spinal cord the peripheral nervous system consists of - Answers cranial nerves and spinal nerves the autonomic nervous system consists of - Answers sympathetic NS parasympathetic NS enteric NS At what level does fusion of the neural folds start? - Answers fusion starts at 4-6 somites Neural folds become - Answers neural crest cells The neural tube will form? - Answers brain and spinal cord The neural crest will give rise to - Answers all of the neurons whose cell bodies are located outside the CNS in the peripheral nervous system (PNS), Consisting of nerves, ganglia, and plexuses derivatives of the neural tube include - Answers neurons of the CNS Supporting cells of the CNS Lower motor neurons of the CNS Preganglionic autonomic neurons of the CNS derivatives of neural crest - Answers -sensory neurons in the PNS -Postsynaptic autonomic neurons -schwann cells -adrenal medulla cells -head mesenchyme -melanocytes in the skin -arachnoid and pia mater of meninges (dura mater from mesoderm) white matter of spinal cord contains - Answers myelinated axons gray matter of the spinal cord contains - Answers neuron cell bodies dorsal horn contains - Answers sensory neurons ventral horn contains - Answers motor neurons 3 major events during the neuronal developmental process - Answers -proliferation -migration -differentiation after 6 weeks the marginal zone of the spinal cord turns into - Answers white matter of the spinal cord after 6 weeks of development the basal plate of the spinal cord turns into - Answers ventral gray horn after 6 weeks of development the alar plate of the spinal cord turns into - Answers dorsal gray horn what is found in the marginal zone of a developing spinal cord? - Answers axons, white matter neural crest includes - Answers peripheral neurons neuroglia Neurolglial Cells are - Answers schwann cells and stellate cells Rostral neural tube forms the - Answers brain Caudal neural tube forms the - Answers spinal cord The bend at midbrain is the - Answers cephalic flexure the prosencephalon is the - Answers forebrain the mesencephalon is the - Answers midbrain the rhombencephalon is the - Answers hindbrain adult derivatives of the forebrain - Answers lateral ventricles third ventricle adult derivative of the Midbrain - Answers aqueduct the pons, cerebellum, and the medulla are derivatives of the - Answers Hindbrain the adult derivatives of the Hindbrain are - Answers upper part of fourth ventricle lower part of fourth ventricle Cerebellum function - Answers coordination of voluntary movements and balance what is a somite? - Answers masses of mesoderm that will eventually become dermis, skeletal muscle, and vertebrae cells that migrate anteriorly give rise to - Answers muscles of the limbs and trunk (hypaxial muscles) and associated dermis Cells that migrate posteriorly give rise to - Answers intrinsic back muscles (epaxial muscles)