29.Seventy percent of the neurons in the CNS are located in the: a. Cerebral cor

Question

29.Seventy percent of the neurons in the CNS are located in the: a. Cerebral cortex b. Frontal lobe c. spinal cord d. medulla 30. The simplest behavior sequence, organized in the spinal cord, is the: motor efferent central synapse c. a. Reflex arc. b. Autonomic reflex d. 31. What is the protein substance found in the hippocampus which in part is responsible for the development of alzheimer's disease? a. Opioid peptides b. Acidophilus c. retromer d. epinephrine 32. In order to control severe the corpus callosum may be cut resulting in a split brain: a. Multiple personality b. Injury or stroke communication problems c. d. epilepsy 33. In higher animals, visible portions of the brain are covered with a wrinkled layer of gray matter called the: a. Cerebral cortex b. Cerebellum c. corpus callosunm d. forebrain 34. The increased size and wrinkling of the cerebral cortex in higher animals is referred to as: a. Cerebralization b. Hemispherization c. corticalization d. reticulation 35. Greater human intelligence is basically a result of a. Responsive sensory organs b. Great upper-body strength c. Brain corticalization d. Superior native instincts 36. Which of the following quotes can be applied to a split-brain patient? a. A bird in the hand is worth two in the bush b. Absence makes the heart grow fonder c. A stitch in time saves nine d. The right had does not know what the left hand is doing Language and math are controlled by the of the brain: Right hemisphere Left hemisphere c. subcortical region d. occipital lobe

Explanation / Answer

29. a. Cerebral Cortex which covers most of the visible portions of the brain with spongy tissue called gray matter.

30. a. Reflex arc which includes a sensory nerve and a motor nerve with a synapse in between

31. a. Opioid peptides, the dysfunction of which results in cognitive impairment,

32. d. Epilepsy, can be alleviated through split brain surgery after which the two hemispheres of the brain do not exchange information as efficiently as before.

33. a. Cerebral cortex consists of the gray matter which contains neuronal cell bodies.

34. c. Corticalization

35. c. Brain corticalization which is the wrinkling of the brain, where more wrinkles signifies greater knowledge.

36. d. The right hand does not know what the left hand is doing

37. b. Left hemisphere which is responsible for tasks related to logic and language learning

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