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Anatomy- Section 2.4
The Head, Face, and Neck
Question | Answer |
---|---|
The ____ ____ is the connective tissue sheet covering the superior aspect of the cranium. | galea aponeurotica |
The ____ is a vaultlike portion of the skull encasing the brain. | cranium |
____ are pseudojoints that join the various bones of the skull to form the cranium. | Sutures |
____ ____ (____) is the pressure exerted on the brain by the blood and cerebrospinal fluid. | Intracranial pressure (ICP) |
____ are three membranes that surround and protect the brain and spinal cord. | Meninges |
The three ____ are the dura matter, pia matter, and arachnoid membrane. | meninges |
____ ____ is the tough layer of the meninges firmly attached to the anterior of the skull and interior of the spinal cord. | Dura matter |
____ ____ is the inner and most delicate layer of the meninges. | Pia matter |
____ ____ covers the convolutions of the brain and spinal cord. | Pia matter |
The ____ ____ is the middle layer of the meninges. | arachnoid membrane |
____ ____ is the fluid surrounding and bathing the brain and spinal cord (the elements of the nervous system). | Cerebrospinal fluid |
The ____ is the largest part of the brain. | cerebrum |
The ____ consists of two hemispheres separated by a deep longitudinal fissure. | cerebrum |
The ____ is the seat of consciousness and the center of the higher mental functions such as memory, learning, judgment, intelligence, and emotion. | cerebrum |
The crossing of nerve impulses from one side of the body to the other takes place just below the ____ ____. | medulla oblongata |
The ____ is the portion of the brain located dorsally to the pons and medulla oblongata. | cerebellum |
The ____ plays an important role in the fine control of voluntary muscular movements. | cerebellum |
The ____ is the part of the brain connecting the cerebral hemispheres with the spinal cord. | brainstem |
The ____ is comprised of the medulla oblongata, the pons, and the midbrain. | brainstem |
The ____ is the portion of the brain connecting the pons and cerebellum with the cerebral hemispheres. | midbrain |
The ____ is the portion of the brain important for controlling certain metabolic activities, including the regulation of body temperature. | hypothalamus |
The ____ is the switching station between the pons and the cerebrum in the brain. | thalamus |
The ____ ____ ____ (____) is a series of nervous tissues keeping the human system in a state of consciousness. | reticular activating system (RAS) |
____ are the process of tissues responsible for communication interchange between the cerebellum, the cerebrum, midbrain, and the spinal cord. | Pons |
The ____ ____ is the lower portion of the brainstem containing the respiratory, cardiac, and vasomotor centers. | medulla oblongata |
Though the brain accounts for only ____% of the body's total weight, it consumes about ____% of the body's oxygen. | 2, 20 |
____ ____ ____ (____) is the pressure moving blood through the brain. | Cerebral perfusion pressure (CPP) |
____ is the process that controls blood flow to the brain tissue by causing alterations in the blood pressure. | Autoregulation |
The ____ is the cheekbone. | zygoma |
The ____ is the bone of the upper jaw. | maxilla |
The ____ is the jawbone. | mandilble |
The ____ are the openings of the nostrils. | nares |
The ____ is the outer, visible portion of the ear. | pinna |
The ____ ____ are the three rings of the inner ear. | semicircular canals |
____ ____ sense the motion of the head and provide positional sense for the body. | Semicircular canals |
The ____ is the eye socket. | orbit |
____ ____ is the clear watery fluid filling the posterior chamber of the eye. | Vitreous humor |
____ ____ is responsible for giving the eye its spherical shape. | Vitreous humor |
The ____ is the light- and color- sensing tissue lining the posterior chamber of the eye. | retina |
____ ____ is the clear fluid filing the anterior chamber of the eye. | Aqueous humor |
The ____ is the pigmented portion of the eye. | iris |
The ____ is the muscular area that constricts or dilates to change the size of the pupil. | iris |
The ____ is the dark opening in the center of the iris through which light enters the eye. | pupil |
The ____ is the 'white' of the eye. | sclera |
The ____ is the thin, delicate layer covering the pupil and the iris. | cornea |
The ____ is the mucous membrane that lines the eyelid. | conjunctiva |
____ ____ is the liquid that lubricates the eye. | Lacrimal fluid |
The ____ ____ is a network of vessels that drains fluid, called lymph, from the body tissues. | lymphatic system |
____ ____ help filter impurities en route to the subclavian vein and then to the heart. | Lymph nodes |