Ventricles & CSF
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14 questions
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- Q1Which of the following is not a function of ependymal cells?Filters extracellular fluid entering ventriclesProduction of cerebral spinal fluidLink between 3rd and 4th ventriclesAllows for ionic control30s
- Q2A disease that attacks the arachnoid trabeculae may cause which of the following?Glial cell proliferationReduction in CSF productionHypertrophy of the ventriclesA loss of suspension for the brain and spinal cord30s
- Q3A patients CSF sample comes back indicating blood breakdown due to bleeding into the CSF. Which of the following is not an indicator of this condition?Yellow colored CSFBrown colored CSFPink colored CSFOrange colored CSF30s
- Q4Blockage of the cerebral aqueduct by a tumor may lead to which of the following conditions?Noncommunicating hydrocephalusNormal pressure hydrocephalusCommunicating hydrocephalusVentricular atrophy30s
- Q5CSF is actively secreted by which of the following structures?HypothalamusChoroid plexusParenchymaBlood plasma30s
- Q6Of the following, which is not a benefit of ependymal cells lining the ventricles?Fluid from brain tissue through the ependymal cells is similar to lymphatic drainageExtracellular fluid from brain tissue into the ventricles allows for renewal of some metabolites and neurotransmittersMetabolites that pass through the ependymal cells into the ventricles can be used diagnosticallyEpendymal cells allows for communication between the ventricles and pia mater30s
- Q7Which of the following structures allows for CSF to return to the heart?Arachnoid granulationAnterior clinoid processSella turcicaSubarachnoid cisterns30s
- Q8Which of the following is least likely to occur with a rapid decrease in CSF?Arachnoid trabeculae damage due to decreased buoyancyDecreased nutrient deliveryDecreased ability for the dural venous sinuses to compensate for increased arterial pressureIncreased waste removal30s
- Q9A spinal tap to sample CSF is typically done in which of the following areas?Lumbar cisternInferior sagittal sinusSuperior sagittal sinusCervical cistern30s
- Q10After performing a spinal tap you recognize the patient’s CSF is brown. What is this an indication of?HyperbilirubinemiaCSF protein ≥ 150 mg/dlMeningeal melanomatosisHigh carotenoid ingestion30s
- Q11Which of the following ventricles is most likely to be malformed and cause a blockage of CSF?FifthLateralThirdFourth30s
- Q12A child born without arachnoid villi will likely have which of the following conditions?Normal pressure hydrocephalusPapiledemaNoncommunicating hydrocephalusCommunicating hydrocephalus30s
- Q13CSF flows from the 4th ventricle laterally into which structure?Interventricular foramenForamen of MonroForamen of MegendieForamen of Luschka30s
- Q14From the subarachnoid space, CSF drains into the dural venous sinuses via what structure?Cerebral aqueductArachnoid granulations3rd VentricleArachnoid trabeculae30s