Open Question
Fill in the blanks: Declarative memories are formed by the process of _____ that takes place in the_____, and are stored in the_____.
12. The Central Nervous System
Introduction to the Central Nervous System
Back12. The Central Nervous System
Introduction to the Central Nervous System
- Open Question
Which of the following is not a component of emotion?
a. Visceral motor responses mediated by the hypothalamus
b. Somatic motor responses mediated by the limbic system and the hypothalamus
c. Somatic motor responses mediated by the upper motor neurons of the corticospinal tracts
d. Subjective feelings mediated by the amygdala and the cerebral cortex
- Open Question
In a diving accident, Arlene damages the left side of her upper thoracic spinal cord. On which side of the body will she lose: muscle control, tactile sensation, and pain sensation? Explain.
- Open Question
A new diet wonder drug is designed to block the release of orexins. How might this cause weight loss? Predict the potential adverse effects that might come from blocking orexin release.
- Open QuestionMatch the names of the supporting cells found in column B with the appropriate descriptions in column A.Column A_______(1) myelinates nerve fibers in the CNS_______(2) lines brain cavities_______(3) myelinates nerve fibers in the PNS_______(4) CNS phagocyte________(5) helps regulate the ionic composition of CNS extracellular fluidColumn Ba. astrocyteb. ependymal cellc. microglial celld. oligodendrocytee. satellite cellf. Schwann cell
- Open Questiona. Contrast unipolar, bipolar, and multipolar neurons structurally.b. Indicate where each is most likely to be found.
- Open QuestionMultiple ChoiceMore than one choice may apply.Histological examination of a slice of neural tissue reveals a bundle of nerve fibers held together by cells whose multiple processes wrap around several fibers and form a myelin sheath. The specimen is likely to bea. a nucleus.b. a ganglion.c. a nerve.d. a tract.
- Open QuestionMultiple ChoiceMore than one choice may apply.Neuroglia present in large numbers in areas of bacterial infection in the brain are most likelya. oligodendrocytes.b. astrocytes.c. ependymal cells.d. microglia.
- Open QuestionWhat is the basis for the functional classification of neurons?
- Open QuestionTwo major cell groups make up the nervous system—neurons and supporting cells such as astrocytes and Schwann cells. Which are 'nervous' cells? Why? What are the major functions of the other cell group?
- Open QuestionPhagocytic cells in nervous tissue of the CNS are (a) astrocytes, (b) ependymal cells, (c) oligodendrocytes, (d) microglia.
- Open QuestionThe neural cells responsible for the analysis of sensory inputs and coordination of motor outputs are (a) neuroglia, (b) interneurons, (c) sensory neurons, (d) motor neurons.
- Open QuestionWhy can't most neurons in the CNS be replaced when they are lost to injury or disease?
- Open QuestionDescribe the stages of sleep and outline the order in which we progress through these stages during a typical night's sleep
- Open QuestionExplain how the cerebellum is physically connected to the brain stem.