8) The limitations of our cognitive abilities is most likely because: A)we only

Question

8) The limitations of our cognitive abilities is most likely because: A)we only use 10%ofour brain at any given moment. B) we have only 100 million neurons in the brain. C) our brain often does not have enough glucose and oxygen to fully function. D) of the lack of specific neurotransmitters available at the synapse. E) neural firing tends to inhibit nearby neurons SYC 9) A person has undergone the "split-brain" procedure to treat a clinical disorder. After her left nostril is plugged with cotton, the scent of a flower is directed to her right nostril. We would expect this odor to A) be perceived in the left hemisphere of her brain. B) be perceived in both hemispheres of this person's brain C) lead that person to report the smell of a flower. D) fail to generate a verbal report of the sensory experience E) Both B and C are correct. 10) Which of the following is true of oligodendroglia? A) They are another type of neuron. B) They form the myelin sheath on a single axon. C) They form the myelin sheath on several axons. D) They are primarily important for communication between neurons. E) All of the above are correct the cell membrane 11) The force of A) retrograde transport; out of B) diffusion; into C) diffusion; out of D) electrostatic pressure; out of E) sodium-potassium pump; into moves sodium ions

Explanation / Answer

8. The limitations of our cognitive abilities is most likely because we merely use 10% of our brain at any given moment.

9. This will most likely be perceieved by the left hemisphere of the brain. This is because the spolit brain procedure leads to severing of the corpus callosum, which is the main source of interaction between the two hemispheres of the brain.

10. Oligodendrogliomas are a type of glioma that are believed to originate from the oligodendrocytes of the brain or from a glial precursor cell. They are another type of neurons.

11. The force of sodium potassium pump moves sodium ions into the cell membrane.

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