1. The Meany study showed that a \"bad mothering\" in rats (e.g. having a mother

Question

1. The Meany study showed that a "bad mothering" in rats (e.g. having a mother who was unresponsive to a pup's distress) caused a)genetic mutations in the pups b)caused unhealthy glucocorticoid receptors in pups c)failed to teach pups how to respond to stress d)all of the above 2. The "methylation" of genes in the Meany study is an epigenetic factor at which e analysis? A)behavior b)whole brain c)neural/synaptic d)molecular/genetic 3. T he blastocyst has 3 layers. The nervous system develops from the a)endoderm (inner layer) b)mesoderm (middle layer) cjectoderm (outer layer) d)placenta e)both b and c 4. The correct sequence of development is a)neural tube, neural groove, neural plate bneural plate, neural groove, neural tube c)neural plate, neural tube, neural groove d)neural groove neural plate, neural tube 5. The neural tube is retained in the adult nervous system as the a)meniges b)ventricles c)cerebellum d)pons e)both a and b bi 6. The production of new neurons is called a)migration b)neural division c)synaptogenesis d)myelination e)proliferation/neurogenesis can boost neurogenesis in rats. A) vitamin B b)acetylcholine c)exercise d)longer sleep periods e)testosterone 8. The process of changing from a stem cell to a specialized cell is called a)migration b)synaptic pruning c)synaptogenesis d)gene expression e)differentiation 9. What class of chemicals prevents apoptosis (cell death)? A) anesthetic drugs bjserotonin 10. Neural plasticity a)stops after infancy b)stops after puberty c)refers to plastic contamination 11. What factors) determine which synapses are kept and which are lost? A)gene splicing bjthe antagonists c) neurotrophins, such as nerve growth factor dyendorphins in the brain d)is enhanced by a stimulating environment and activity e)both c and d amount of neural activity cjmigration d)the type of neurotransmitter received e)both b and c

Explanation / Answer

1.c

2.d

3.c

Ectoderm refers to the outermost cell layer of the newly formed embryo from which the skin, nervous system, nails, teeth, skin, develop. Ectoderm is the layer of cells that develops fastest.

4.a

5.b

The tube will be retained in the adult brain as ventricles and central canal of the spinal cord.

6.e

7.b

8.d

9.c

10.d

11.b

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