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level: Central Nervous System

Questions and Answers List

level questions: Central Nervous System

Question	Answer
True/False: Central Nervous System (CNS) contains the brain and the nerves.	False. CNS contains the brain & spinal cord.
Functions of central nervous system (CNS)	receives, interprets and send signals to PNS
True/False: CNS and PNS are located in the dorsal body cavity.	True
The brain is surrounded by the _____, and the spinal cord is protected by the ______.	cranium, vertebrae
The brain is continuous with the spinal cord at the ______ ______.	foramen magnum
CNS is surrounded by connective tissue membranes called?	meninges, and cerebrospinal fluid
3 layers of meninges around the brain and spinal cord	Dura mater Arachnoid Pia mater
Layer of meninges: Tough, white fibrous connective tissue.	Dura mater
Layer of meninges: Middle layer of meninges which resembles a cobweb in appearance, a thin layer with numerous thread-like strands that attach it to the innermost layer	Arachnoid. The space under it - the subarachnoid space is filled with cerebrospinal fluid and contains blood vessels
Layer of meninges: Innermost layer of meninges	Pia mater
Are tumors of the nerve tissue covering the brain and spinal cord.	MENINGIOMAS. Physicians often treat them as though they were malignant to treat symptoms that may develop when a tumor applies pressure to the brain
3 regions of the complex brain?	Answer
Parts of Hindbrain?	Answer
Part of the Hindbrain: Controls autonomic functions	Medulla
Part of the Hindbrain: Controls sleep stages	Pons
Part of the Hindbrain: Coordinates movements, stores some motor memory, helps maintain posture, muscle control, and balance	Cerebellum
Region of the brain: All sensory and motor information that travels between the forebrain and spinal cord passes through.	Midbrain
Midbrain makes a _____ ______ for the central nervous system.	relay station
Midbrain is the "_____ _____" of the brain.	traffic cops
True/False: Midbrain filters motor input, which allows us to concentrate	False. It filters SENSORY input. Filtering can be affected by higher thoughts.
Part of the forebrain that relay station channeling sensory information.	Thalamus
Part of the forebrain that controls basic emotions, drives, and behaviors.	Limbic system
Part of the forebrain that is responsible for higher thought.	Cortex
Limbic system controls ______ and ______.	emotions and memories
Part of the Limbic system: Master controller of the endocrine system.	Hypothalamus
Part of the Limbic system: Sensations of pleasure or fear, recognition of fear in others.	Amygdala
Part of the Limbic system: Formation of memories, damage to these areas can lead to amnesia or emotional disturbances.	Hippocampus
Various areas of the Cortex?	control sensory processing motor control thought memory
A brain tumor that arise from the support cells of the brain.	Glioma. These cells are called glial cells.
Glioma tumors include _____, ______, and ______. These tumors are the most common primary brain tumors.	astrocytomas, ependymomas, oligodendrogliomas
In a spinal cord, this matter mostly made up of cell bodies of neuron.	Grey matter
In a spinal cord, this matter composed of nerve fibers (ascending and descending tracts) embedded in neuroglial cells.	White matter
5 components of Reflex arc? (in order)	Answer