2021年北京基础医学考试考前冲刺卷.docx
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1、2021年北京基础医学考试考前冲刺卷本卷共分为1大题50小题,作答时间为180分钟,总分100分,60分及格。一、单项选择题(共50题,每题2分。每题的备选项中,只有一个最符合题意) 1.Renal filtration barrier consists of all of the following components EXCEPTAThe fenestrated endothelium of the glomerular capillariesBThe basal laminaCThe filtration slits with diaphragms between pedicelsDM
2、edullary raysERenal capsule 2.A nephron includes all of the following components EXCEPTAA renal corpuscleBA distal convoluted tubuleCA thin limb of the loop of HenleDA collecting tubuleEPars recta of the proximal tubule 3.All of the following cell types are found in the brain EXCEPTAPurkinje cellsBS
3、tellate cellsCSchwann cellsDSmall granule cellsEPyramidal cells 4.Seminiferous tubules contain all of the following components EXCEPTASertoli cellsBSpermatocytesCA fibrous connective tissue tunicDSkeletal muscle in their tunica propriaEA germinal epithelium 5.Which of the following statements concer
4、ning secondary ovarian follicles is TRUEAThey lack liquor folliculiBThey contain a secondary oocyteCTheir continued maturation requires FSHDThey lack a theca externaEThey have a single layer of cuboidal follicular cells surrounding the oocyte 6.Prolactin is synthesized and secreted by which of the f
5、ollowing cellsAAcidophils in the pars distailsBBasophils in the pars tuberalisCSomatotrophs in the pars distalisDBasophils in the pars intermediaEChief cell 7.In which of the following sites do lymphocytes become immunocompetentAGerminal center of secondary lymphoid nodulesBWhite pulp of the spleenC
6、Thymus cortexDRed pulp of the spleenEParacortex of lymph nodes 8.Which of the following statements is NOT the process of the tissue preparationAFixationBDehydrationCEmbedmentDCover slipEMicroscope 9.Which one of the following statements about stratified squamous epithelium is FALSEAThe surface layer
7、 of cells may be keratinizedBThe cells in its most superficial layer are cuboidalCIt is supported by a basal laminaDIts cells possess desmosomesEStratified squamous epithelium is characterized by flattened cells in its superficial layer. 10.Of the following cell types found in connective tissue, whi
8、ch is most often present along capillaries and resembles fibroblastsAPlasma cellBLymphocyteCMacrophageDPericyteEMast cells 11.Which of the following are present in elastic arteries but are NOT seen in muscular arteriesAElastic fibersBFactor CFenestrated membranesDExternal elastic laminaE Basement me
9、mbrane 12.Adrenocorticotropic hormone (ACTH) is produced by which of the following cellsAChromophobes in the pars distalisBNeurosecretory cells in the median eminenceCAcidophils in the pars distalisDNeurons of the paraventricular nucleus in the hypothalamusENone of the above 13.Whih of the following
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