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Bio quiz-Brain
094 Nervous system
| Question | Answer |
|---|---|
| 1. The corpus callosum connects the __________. | Right and left cerebral hemisphere |
| The __________ produce cerebrospinal fluid | Choroid plexuses |
| Collectively, the supporting cells in the CNS are called __________. | Neuroglia |
| The __________ area that allows us to consciously move our skeletal muscles is anterior to the central sulcus in the __________ lobe | primary motor; frontal |
| Damage to which cranial nerve(s) may impair the sense of taste | The facial (N VII) and the glossopharyngeal (N IX) |
| The __________ division of the autonomic nervous system allows us to initiate the fight-or-flight response in extreme circumstances | Sympathetic |
| Between successive Schwann cells, there are gaps in the myelin sheath called | Nodes of Ranvier |
| __________ reflexes regulate skeletal muscle | Somatic |
| A stimulus changes the permeability of a “patch” of the membrane, and sodium ions (Na+) diffuse rapidly into the cell. | nerve impulse |
| The three connective tissue membranes covering and protecting CNS structures are collectively known as the __________. The __________ is the outermost, leathery layer | Meninges; dura mater |
| Together with the brain stem, the __________ oversees all subconscious, autonomic functions | Diencephalon |
| The cells that produce myelin in the peripheral nervous system (PNS) are called __________, and in the central nervous system (CNS) the cells are called __________. | Schwann cells; oligodendrocytes |
| All motor and association neurons are | Multipolar |
| The __________ nervous system includes the brain and spinal cord | Central |
| Which of the following is NOT a central nervous system glial cell: Astrocyte microglia Neuron Ependymal | Neuron |
| The nervous system gathers and interprets information, and then effects a response through a process called __________. | Motor output |
| __________ neurons carry an impulse to the CNS | Afferent |
| The cerebellum aids in maintenance of __________. | Balance and posture |
| The deep groove that separates the two hemispheres of the cerebrum is called the | longitudinal fissure |
| The cell bodies of sensory neurons whose fibers enter the spinal cord are found in the | dorsal root ganglion |
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basmith734