10 of 14 BIOL 4110 Exam 1, Fall 2017 52. The fluid-filled space between the brai

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10 of 14 BIOL 4110 Exam 1, Fall 2017 52. The fluid-filled space between the brain stem and the cerebellum is known as a. The first ventricle b. The second ventricle c. The third ventricle d. The fourth ventricle e. The choroid plexus 53. Th e cranial nerve that innervates tooth sockets and is a frequent target of dentists is a. Trochlear nerve (IV) bTrigeminal nerve (V) c. Abducens nerve (VI) d. Vestibulocochlear nerve (Vill) e. Vagus nerve (X) 54. Wh en would you choose to rinse the tip when adding solution to a test tube or another solution using a Pipetman or another brand of pipette? a. When you have plenty of reagent and need to have a precise total volume after ading your solution b. When you have an expensive or scarce reagent that you are adding to a larger volume of buffer or diluent to achieve a certain concentration 55. What are the underying assumptions that must be tested PRIOR to running a parametric statistical test? a. The null hypothesis b. Equal variance c. Normality of distribution d. B& C e. A,B&C; 56. What is usually organized into the columns of a data table when reporting data in a scientific paper? a. b. c. d. Levels of an independent variable Individual observations of an experiment Independent and dependent variables A or B 57. Assume you are making a bar graph, which bar would go on the right? Control group or condition Experimental group or condition a. b.

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52)

brainstem is relay center for sensory input and motor output
        * also responsible for many basic reflex actions

    -- cerebellum
        * higher motor and sensory functions

The central nervous system (brain and spinal cord) develops as a hollow tube whose internal space eventually forms a system of fluid-filled cavities called ventricles . The first two ventricles are a pair of C-shaped lateral ventricles, one in each cerebral hemisphere. Each of these communicates through a small pore with a slitlike third ventricle between the two hemispheres, surrounded by the diencephalon. From here, a slender canal, the cerebral aqueduct, passes down the middle of the midbrain and leads to a triangular fourth ventricle, between the cerebellum and the brainstem.

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