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73 Cards in this Set
- Front
- Back
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What portion of the brainstem is continuous with the spinal cord
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Medulla Oblongata
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True or False
The thalamus is part of the brainstem |
False
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True or False
The thalamus belongs with the medulla oblongata, midbrain, and pons |
False
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What are the enlargements on the medulla oblongata that are involved in conscious skeletal muscle control
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Pyramids
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What serves as a motor center that is involved in maintaing muscle tone and coordinating movements
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Substantia Nigra
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What is affected if an injury leaves a person in a coma
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Reticular Formation
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What is another term for midbrain
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Mesencephalon
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What is the most specific part of the midbrain that is an integral part of the auditory pathway
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Inferior Colliculi
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What are the 3 large nerve tracts connecting the cerebellum to the rest of the central nervous system
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1) Superior Cerebellar Peduncles
2) Middle Cerebellar Penduncles 3) Inferior Cerebellar Peduncles |
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What are cerebral cortex ridges called
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Folia
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What is the simplest part of the cerebellum
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Flocculonodular Lobe
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True or False
The tegmentum is a major part of the cerebellum |
False
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What is the largest feature of the diencephalon
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Thalamus
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What is the small stalk connecting the 2 lateral portions of the thalamus known as
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1) Interthalamic Adhesion
2) Intermediate Mass |
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Where do axons carrying auditory information synapse in
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Medial Geniculate Nucleus
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Where do axons carrying visual information synapse in
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Lateral Geniculate Nucleus
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Where do axons carrying information other than visual or auditory information synapse in
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Ventral Geniculate Nucleus
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True or False
The pons is part of the diencephalons |
False
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What is the stalk that connects the hypothalamus to the pituitary
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Infundibulum
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What lobes of the cerebrum serve as the main center for receiving and processing of sensory information except for smell, hearing, and vision
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Parietal
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What lobes receive and interpret sensory input for smell and/or hearing
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Frontal and Temporal
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What separates the right and left cerebral hemisphere
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Longitudinal Fissure
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True or False
The ethmoid is one of the lobes of the cerebral hemisphere |
False
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What lobes are part of the cerebral hemisphere
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1) Frontal Lobe
2) Parietal Lobe 3) Occipital Lobe 4) Temporal Lobe |
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What comprises the bulk of the mature adult brain
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Cerebrum
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What is the central sulcus
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The posterior boundary of the frontal lobe
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What type of nuclei in the cerebrum are involved in control of motor functions
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Basal Nuclei
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What is the basal nuclei located
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Within the white matter of the cerebrum
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True or False
The habenula is part of the limbic system |
False
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What lobe of the cerebrum is located deep within the lateral sulcus
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Insula
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What is the gyrus
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A ridge or fold on the surface of the cerebrum
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What do the tracts of nerves in the cerebrum consist of
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1) Association Fibers
2) Commissural Fibers 3) Projection Fibers |
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Gyri on the cerebral surface _______ the surface area of the cortex
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Greatly increase
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Where do venous blood flow through
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Through the dural venous sinuses, located in some areas of the meninges surrounding the brain
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What do dural sinuses contain
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Venous Blood
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What is the name for the portion of the dura mater that separates the cerebellum from the overlying cortex
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Tentorium Cerebelli
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What is the name of the portion of the dura mater that separates the two cerebellular hemispheres
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Falx Cerebelli
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The cluster of specialized capillaries at which CSF is secreted into a ventricle is the
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Choroids Plexus
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Where do the CSF circulate around the brain and spinal cord
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Subarachnoid space
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What is the arachnoid ganulation
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The fingerlike structure at which the reabsorption of CSF occurs
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CSF circulates from the 3rd ventricle to the 4th through the
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Cerebral Aqueduct
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From the superficial to deep, what are the 3 layers of the meninges
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1) Dura Mater
2) Arachnoid Mater 3) Pia Mater |
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What is the space within the brain that is filled with cerebrospinal fluid
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Ventricle
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True or False
One of the function of CSF is to transport oxygen in red blood cells to neurons in the CNS |
False
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What ascends to the head along the anterior - lateral part of the neck
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Internal Carotid Arteries
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What ascends to the head along the posterior part of the neck
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Vertebral Arteries
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What is the cerebral arterial circle comprised of
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1) Basilar Artery
2) Internal Carotid Artery |
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How do lipid soluble substances move through the blood brain barrier
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By Diffusion
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How do water soluble substances move through the blood brain barrier
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By Mediated Transport
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What are the 3 branches of the cerebral arterial circle
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1) Anterior Branch
2) Middle Branch 3) Posterior Branch |
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Where does the CNS develop from
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Embryonic Neural Plate
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What does the embryonic forebrain give rise to
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Cerebrum and Diencephalon
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What are the stages of development of the CNS
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1) Neural Tube
2) Neural Plate 3) 3 Vesicle Brain |
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The bulk of the adult human brain develops from what secondary vesicle during embryonic development
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Telencephalon
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What adult brain region does Not develop from the embryonic hindbrain
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Thalamus
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How many pairs of cranial nerves are there
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12
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Sensory impulses from taste receptors are transmitted to the brain on which cranial nerves
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7, 9, & 10
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The anesthetic a dentist injects before drilling to clean and repair a cavity is done to block sensory impulses from a branch of what cranial nerve
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Trigeminal
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True or False
The trigeminal nerve does Not contain only sensory fibers |
True
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True or False
The trigeminal nerve supplies motor impulses to muscles of the eye |
False
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What do automonic fibers of the vagus nerve carry
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Motor impulses to the heart and many smooth muscles and glands in the viscera of the thorax and abdomen
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True or False
The olfactory nerve does Not originate from the brainstem |
True
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The nerve fibers carrying sensory information through the cribiform plate of the ethmoid bone are associated with which nerve
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Olfactory Nerve
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How many of the 12 pairs of cranial nerves enter or exit the CNS through the brainstem
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10
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Which cranial nerve innervates 4 of the 6 muscles that move the eye and levator palpebrae superioris muscle that raises the superior eyelid
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Oculomotor
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A drooping upper eyelid is a symptom indicative of possible damage to what cranial nerve
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Oculomotor
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Which cranial nerves transmit sensory impulses pertaining to taste to the brainstem
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1) Facial
2) Glossopharyngeal 3) Vagus |
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What is the only cranial nerve involved in sensory cutaneous innervation
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Trigeminal
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Which cranial nerve controls the muscles involved in chewing
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Trigeminal
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What cranial nerve causes movements of the tongue involved in speaking, manipulating food and swallowing
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Hypoglossal
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True or False
The sympathetic nerve is a category of the cranial nerve |
False
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The jugular foramen provides a route of passage through the cranium for which of the cranial nerves
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1) Glossopharyngeal
2) Vagus 3) Accessory |
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What 2 pairs of cranial nerves do Not enter or exit the CNS through the brainstem
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Olfactory
Optic |
