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Anatomy2 Exam4 NWHSU
| Question | Answer |
|---|---|
| Give the immediate drainage of the following: Right intestinal nodes* | cisterna chyli of thoracic duct |
| Give the immediate drainage of the following: left deep cervical* | thoracic duct |
| Give the immediate drainage of the following: superficial cervical nodes | deep cervical nodes |
| Give the immediate drainage of the following: upper limb | axillary nodes |
| Give the immediate drainage of the following: lower limb | deep inguinal nodes |
| Give the immediate drainage of the following: left bronchial nodes | thoracic duct |
| Give the immediate drainage of the following: deep inguinal nodes | external iliac nodes |
| Give the immediate drainage of the following: lower umbilical region | superficial inguinal nodes |
| Give the immediate drainage of the following: superficial nodes of head | deep cervical nodes |
| Give the immediate drainage of the following: right lumbar nodes | cisterna chili of thoracic duct |
| Besides the submandibular (submaxillary) and auricular nodes, name 4 superficial groups of nodes in the head. | Parotid, submental, occipital, superficial, cervical |
| Besides conducting lymph, list 2 different functions of the lymphatic system | Immune defense mechanism, absorption and transportation of fats. |
| Where EXACTLY does the thoracic duct end (as determined by flow)? | Into venous system at the junction of L subclavian and L internal jugular vein |
| Fat-laden lymph | Chyle |
| Define: Spinal Segment | A portion of spinal cord to which a spinal nerve attaches |
| Area of the DIENCEPHALON that contains the pineal glands | epithalamus |
| The fornix is a group of fibers which begins in the hippocampus and terminates on the ______________. | mamillary bodies |
| Group of fibers that connects the medulla and cerebellum. | Inferior cerebellar peduncle |
| The superior and inferior colliculi (corpora quarigemini) are specifically located in the ________ portion of the _________. | Tectum of midbrain |
| Cranial nerve that supplies taste to the anterior 2/3rds of the tongue | Facial N |
| Cerebrospinal fluid flows from the _______ into the ___________ through the medial and lateral apertures. | 4th ventrical Subarachnoid space |
| Portion of the cerebral cortex that is involved in judgment, personality, and emotions. | prefrontal cortex |
| Portion of the medulla where corticospinal fibers are located. | pyramids |
| What type of fibers connect the primary auditory cortex with the auditory association area. | association fibers |
| Thalamic nucleus that sends information to the visual cotex. | lateral geniculate boy |
| *Consider a hemidissection of the right T4 spinal cord. In which area of the body would you expect the following deficits? Pain__ Discriminating Touch____ Voluntary Motor____ A.Right arm B.Left arm C.Right leg D.Left leg | Pain-Left leg Disc. Touch-Right leg Voluntary motor-right leg |
| *Consider a hemidisection of the left T5 spinal cord. In which areas of the body would you expect the following deficits? Pain__ Discriminating Touch____ Voluntary Motor____ A.Right arm B.Left arm C.Right leg D.Left leg | Pain-Right leg Disc. Touch-Left leg Voluntary motor-Left leg |
| *Consider a hemidisection of the left L1 spinal cord. In which areas of the body would you expect the following deficits? Pain__ Discriminating Touch____ Voluntary Motor____ A.Right arm B.Left arm C.Right leg D.Left leg | Pain-Right leg Disc. Touch-Left leg Voluntary motor-Right leg |
| *Consider a lesion in the right internal capsule. What deficits are expected in the left leg? a.pain b.discriminating touch c.voluntary motor control d.no deficits expected | pain, discriminating touch, voluntary motor control |
| *Consider a lesion in the right internal capsule. What SENSORY deficits are expected in the right arm? a.pain b.discriminating touch c.voluntary motor control d.no deficits expected | no deficits expected |
| Where are the neuron cell bodies for the fibers forming fasciculus gracilis? | Gracile tubercles |
| Cranial nerves associated with the pons | 5, 6, 7, 8 |
| cranial nerves associated with the medulla | 9, 10, 11, 12 |
| Lateral tooth-like extensions of pia mater around the spinal cord; anchors cord to dura. (also- 'the spinal cord is anchored laterally to the dura by the ____') | Denticulate ligament |
| An ovoid nucleus located at teh anterior tip of the tail of the caudate, in the temporal lobe; part of the olfactory and limbic systems (also - 'basal nucleus located at the tail/inferior end of the causdate nucleus') | Amygdaloid nucleus |
| Vascular connective tissue inside the ventricles which forms the cerebrospinal fluid | Choroids plexus |
| Areas 3, 1,2 receive input from the | Ventral posterior nucleus of thalamus |
| Fibers from the inferior colliculus terminate on the __________. | medial geniculate |
| Name the collections of neuron cell bodies for the second order neuron in the general sensory pathways (nuclei or ganglia) | nucleus proprius |
| Cerebrospinal fluid is secreted into the ventricles by _______ and absorbed into the dural venous sinuses through the _______. | choroid plexus, arachnoid granulations |
| Structure that forms/secretes CSF | choroid plexus |
| Name of the sheet of dura mater that separates the cerebellum and cerebrum | Tentorium cerebelli |
| The C8 spinal nerve attaches to the ________ segment of the spinal cord | C8 |
| Cranial nerves attached to the midbrain | CN3, CN4 |
| Cord of pia mater extending downward from the inferior end of the spinal cord (structure that anchors spinal cord to the coccyx) | Filum terminale |
| SPECIFIC name given to that part of the cerebral peduncle ventral to the substantia nigra | Basal Peduncle |
| Specific portion of midbrain through which corticospinal fibers pass | Basal Peduncle |
| IN the midbrain, corticospinal fibers are located in the _____ (be VERY specific) | Basal Peduncle |
| Name (NOT number) of cranial nerve that supplies the motor to the muscles of mastification | Trigeminal |
| In absorption of cerebrospinal fluid, the fluid moves across the arachnoid granulations from _____ to the _________. | Subarachnoid space, dural sinuses |
| The dural sac extends from _________ to ______. | Foramen Magnum 2nd sacral segment |
| Fibers from the RIGHT nuclei gracilis and cuneatus terminate on the_________. | left ventral posterior nucleus of the thalamus |
| NUCLEUS which sends fibers to area 17 of the cerebral cortex | Lateral geniculate body |
| All fibers terminating on area 17 have their neron cell bodies in the _________. | lateral geniculate body |
| Area 17 receives fibers from ________ | lateral geniculate body |
| Level of the CNS where the nuclei for the oculomotor nerve are located | midbrain |
| Fibers belonging to which general classification connect the primary and association cortices for vision? | association fibers |
| BASAL NUCLEUS that has both limbic and motor function | amygdaloid |
| Specific landmark on spinal cord where the dorsal roots attach | Dorsolateral sulcus |
| Specific name given to that part of midbrain located between the cerebral aqueduct and the substantia nigra. | Tegmentum |
| Area of the DIENCEPHALON that contains the substantia nigra and other motor nuclei. | Basal nuclei |
| Name given to the cord of pia mater running downward from the inferior end of the spinal cord | Filum terminale |
| Cranial nerve that is parasympathetic to the lacrimal gland | 7 |
| Fibers of the medial lemniscus terminate on the_____ | Ventral Posterior nucleus of thalamus |
| Part of teh brainstem which contains nuclei gracilis and cuneatus | Medulla |
| The mamillary nucleus is one of the nuclei of the ___________ | Hypothalamus |
| Fibers passing from the thalamus to area 3,1,2 are part of the ________ and are classified as ________ fibers. | Internal capsule, projection |
| The neuron cell bodies of fibers comprising the spinothalmic tract are located in ______. | Nucleus proprius |
| Name given to fiber tract running from the hippocampus to the mammillary bodies | Fornix |
| Group of fibers that connects the pons with the cerebellum | Middle cerebellar peduncle |
| Give the loactions of the inferior colliculis. Do NOT give corpora quadrigemini as your answer. | Dorsal surface of midbrain, inferior to superior colliculus, superior to cerebellum |
| Portion of the diencephalon that contains the pineal gland. | epithalamus |
| General function of the neostriatum | Extrapyramidal motor |
| What type of fiber connects the primary auditory cortex with teh auditory association cortex? | Association fibers |
| In the three neuron pathway for general sensation, the second order neuron from the right side terminates on the _____ (give side and nucleus) | Ventral posterior nucleus of the thalamus on the left |
| When traveling through the medulla, the corticospinal fibers are located in the _______ | Pyramids |
| In the absorption of CSF, the fluid moves across the arachnoid granulations FROM the ________ into the _______. | Subarachnoid space into the dural sinus |
| Cranial nerves attached to the midbrain | 3, 4 |
| Major function of the precentral gyrus | Primary motor area |
| The hypoglossal nerve exits the brainstem between which two structures. | olive and pyramids |
| Describe the function of the corpus callosum | Connects/carries info between the left and right cerebral hemispheres |
| What two groups of fibers terminate/synapse in the ventral posterior nucleus of the thalamus? | 2nd order spinothalmic fibers 2nd order medial lemniscus |
| Specific landmark on spinal cord where the ventral roots attach | Ventrolateral sulcus |
| 2 Paired bumps located on teh inferior aspect of the DORSAL surface of the midbrain | Inferior Colliculi |
| Specific name given to the pointed inferior end of the spinal cord at or just above L2 | Conus Medullaris |
| Cerebrospinal fluid is produced by _______ and returns to the blood via ______ | Choroid plexus, Dural sinuses |
| The lateral geniculate belongs to which specific area of the CNS? (Be very specific!) | malanus within the diencephalon |
| _____ lobe in which the general sensory association cortex (areas 5 and 7) is located | parietal lobe |
| Motor nucleus that is located in the wall of the lateral ventricle. | Caudate nucleus |
| Midbrain nucleus involved with visual reflexes. | Superior colliculus |
| The primary auditory cortex (areas 41 42) receives fibers from _______. | medial geniculate nucleus |
| Name given to the pieve of dura seperating the right and left cerebral hemispheres | Falx Cerebri |
| Specifically contains ascending ipsilateral sensory fibers (vibration, discriminating touch) from T6 and BELOW. | Fasiculus Gracitis |
| Part of thalamus involved with the auditory pathway. | Medial gericulate |
| ALTERNATE NAME give to the dorsal posterior pons that forms the floor of the 4th ventricle and contains nuclei and tracts | Tegmentum |
| Cranial nerve (name of nubmer) that supplies the sphincter pupillae muscles | CN 3 |
| Fibers originating in area 17 and terminating on ipsilateral areas 18 and 19 are categorized as ________ fibers | association |
| The Major commissure | corpus collosum |
| Specific structure(s) by which the cerebrospinal fluid flows from the subarachnoid space into th dural venous sinuses | arachnoid villi |
| Connecst the lateral and third ventricles | Interventricular foramina |
| The fornix runs from the ____ to __________. | hippocampus to mammillary nucleus |
| Extrapyramidal motor nucleus located in the midbrain that is the site of pathology in Parkinsons | Substantia nigra |
| SPECIFIC location of the Primary Somatic Sensory Area | Postcentral gyrus |
| Contains ascending ipsilateral sensory fibers (porprioception, vibration, disc touch) from T6 and above | fasciculus cuneatus |
| Part of the brain that maintains equilibrium, adjusts muscle tone, influences synergy of muscle movement. | cerebellum |
| Name two nuclei that are located in the midbrain. | Red nucleus Superior colliculus |
| Basal nucleus that has both limbic and olfactory function | amygdaloid nucleus |
| Type of fibers connecting the cortex with subcortical areas (the internal capsule would be an example of this type) | projection fibers |
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