Choroid plexus - Study guides, Class notes & Summaries

Abducens (VI) - motor origin: pons term: lateral rectus -rotates eye laterally Accommodation - looking at an object up close -eyes converge ex) crossing -pupils constrict -lens changes: more curved (up close) Adaption of sensory receptors - most sensory receptors adapt, become less sensitive during prolonged time; Nociceptors and most proprioreceptors do not adapt Adrenergic neurons - secrete NE sympathetic postganglionic fibers 1. alpha adrenergenic: constrict blood vessels and dila...

MLT EXAM WITH COMPLETE SOLUTIONS GRADED A+ What is CSF - Answer-liquid that surrounds the brain and spinal cord What are the functions of CSF - Answer-physical support and protection Provision of a controlled chemical environment to supply nutrients to the tissues and removal of wastes intracerebral and extracerebral transport volume of CSF - Answer-total CSF volume is about 150mL where is CSF formed - Answer-predominately at the choroid plexus deep within the brain and by the ...

Neuroscience EXAM 2– USA (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: ALS is more common in men or women Answer: men Q: Which is more common in women, ALS or MS Answer: MS Q: How many vestibular nuclei are there Answer: 4 on each side 8 total. Will fall Under the 4th ventrical under medulla and pons. Q: An upper motor neuron pathology within the corticospinal tract is called what Answer: ALS Q: Wha...

SCRN EXAM REVIEW QUESTIONS AND ANSWERS ALL CORRECT Posterior Cerebral Artery (PCA) - ANS Arises from basilar. Supplies Occipital Lobe , Midbrain, Thalamus, Pineal Gland, Choroid Plexus, and Corpus Callosum Symptoms of PCA Stroke - ANS -Contralateral Visual Field Homonymous hemianopia -Visual Agnosia (unable to interpret/recognize visual information) - Weber's Syndrome (3rd nerve palsy + contralateral hemiplegia) -Parinaud's Syndrome (Impaired upwards gaze, convergence-retracti...

Posterior Cerebral Artery (PCA) - ans Arises from basilar. Supplies Occipital Lobe , Midbrain, Thalamus, Pineal Gland, Choroid Plexus, and Corpus Callosum Symptoms of PCA Stroke - ans -Contralateral Visual Field Homonymous hemianopia -Visual Agnosia (unable to interpret/recognize visual information) - Weber's Syndrome (3rd nerve palsy + contralateral hemiplegia) -Parinaud's Syndrome (Impaired upwards gaze, convergence-retraction nystagmus, primary conjugate downward gaze) Anterior I...

Neuroscience EXAM 1– USA (Latest 2023/ 2024 Update) Exam Prep with Questions and Verified Answers| 100% Correct| Grade A Q: sulcus limitans Answer: works to divide dorsal from ventral tube Q: defects during migration stage of development Answer: dyslexia, lissencephaly (smooth brain) Q: cranial nerve development Answer: 1st: swallow & gag (14 weeks)-->V, VII, IX, X, XII 2nd: visual motor (25 weeks)-->II, III, IV, VI 3rd: hearing (28 weeks)-->VIII ...

Where is cerebrospinal fluid produced? CORRECT ANSWER In the choroid plexus which originates in the ventricles of the brain. Where would CSF expect to be seen? CORRECT ANSWER Choroid plexus, ventricles, 4th ventricle, subarachnoid space around the brain and spinal cord. Where is the subdural space located? CORRECT ANSWER Between the Dura mater and the arachnoid. Should there be fluid in the subdural space? CORRECT ANSWER No How does fluid appear on CT? CORRECT ANSWER White/bright ...

Strasinger AUBF - CSF (Multiple choice); Questions and Answers 100% Verified B CORRECT ANSWER-The functions of the CSF include all of the following except: A. Removing metabolic wastes B. Producing an ultrafiltrate of plasma C. Supplying nutrients to the CNS D. Protecting the brain and spinal cord C CORRECT ANSWER-The CSF flows through the: A. Choroid plexus B. Pia mater C. Arachnoid space D. Dura mater

hat is blood brain barrier (BBB) imaging used for? Ans- determine cerebral brain death (usually planar imaging if the patient is claustrophobic or needs to be done at the bedside) what are the indications to preforming BBB planar brain imaging? Ans- 1) primary metastatic disease ( glioma, meningioma) 2)intracranial inflammatory disease (abscess, encephalitis) 3)cerebral vascular disease (hemorrhage, vascular occlusion, hemangioma) 4)complications of head trauma what is the blood brain ...

Which of the typical blood vessels has a thin tunica tunica media dominated by collagen fibers? - veins Capillaries surrounding the choroid plexus is of which type? - Fenestrated capillaries Blood flow through a capillary bed is passed by what structure? - Atriovenous Anastomosis Blood flows toward the heart in the veins by? - -With the aid of contractions of the adjacent skeletal muscles. -Valves in the veins prevent the backflow of the blood -Pressure at the venules is higher than the ...