神經(jīng)生理題庫

1、神經(jīng)生理1.A localized lesion in which of the following structures would be expected to produce prolonged coma? A. Nucleus tractus solitarius B. Locus ceruleus C. Right frontal lobe D. Both frontal lobes E. Periaqueductal region at top of midbrain 2.關(guān)于興奮性突觸傳遞的敘述,哪一項是錯誤的? A. 突觸前軸突末梢去極化 B. Ca2+進入突觸前膜內(nèi) C. 突

2、觸前膜釋放遞質(zhì)是以102個分子為單位 D. 突觸后膜Na+、K+，特別是Na+通透性增高 E. 突觸后膜去極化達閾電位時，突觸后神經(jīng)元發(fā)放沖動 3.Retrograde amnesia A. Is abolished by prefrontal lobotomy B. Responds to drugs that block dopamine receptors C. Is commonly precipitated by a blow on the head D. Is increased by administration of vasopressin E. Is due to damag

3、e to the brain stem 4.Which of the following is not characteristic of a reflex action? A. Modification by impulses from various parts of the central nervous system B. May involve simultaneous contraction of some muscles and relaxation of others C. May involve either somatic or visceral responses but

4、 never both simultaneously D. Always involves transmission across at least one synapse E. Frequently occurs without conscious perception 5.Interruption of the motor pathways in the internal capsule on one side of the body causes A. Spastic paralysis on the same side of the body B. Spastic paralysis

5、on the opposite side of the body C. Loss of touch and pressure sensation on the opposite side of the body D. Flaccid paralysis on the same side of the body E. Flaccid paralysis on the opposite side of the body 6.Visceral pain A. Shows relatively rapid adaptation B. Is mediated by B fibers in the dor

6、sal roots of the spinal nerves C. Can sometimes be relieved by applying an irritant to the skin D. Most closely resembles fast pain produced by noxious stimulation of the skin E. Can be produced by marked and prolonged stimulation of touch receptors 7.突觸前抑制的發(fā)生是由于 A. 突觸前膜興奮性遞質(zhì)釋放量減少 B. 突觸前膜釋放抑制性遞質(zhì) C.

7、突觸后膜超極化 D. 中間抑制性神經(jīng)元興奮的結(jié)果 E. 以上原因綜合的結(jié)果 8.A man falls into a deep sleep with one arm under his head. This arm is paralyzed when he awakens, but it tingles, and pain sensation in it is still intact. The reason for the loss of motor function without loss of pain is that in the nerves to his arm, A. A fi

8、bers are more susceptible to hypoxia than B fibers B. A fibers are more sensitive to pressure than C fibers C. C fibers are more sensitive to pressure than A fibers D. Sensory nerves are nearer the bone than motor nerves and hence are less affected by cooling E. Sensory nerves are nearer the bone th

9、an motor nerves and hence are less affected by pressure 9.脊髓前角運動神經(jīng)元軸突側(cè)支與閏紹細胞形成的突觸所釋放的遞質(zhì)是 A. 氨基丁酸 B. 甘氨酸 C. 乙酰膽堿 D. 去甲腎上腺素 E. 5羥色胺 10.A primary function of the basal ganglia is A. Sensory integration B. Short-term memory C. Planning voluntary movement D. Neuroendocrine control E. Slow-wave sleep 11.電

10、擊頭部或腦震蕩可能導致 A. 逆行性遺忘癥 B. 順行性遺忘癥 C. 近期記憶受損 D. 遠期記憶受損 E. 近期和遠期記憶障礙 12.切除猴小腦絨球小節(jié)葉后，將出現(xiàn) A. 站立不穩(wěn) B. 四肢乏力 C. 運動不協(xié)調(diào) D. 靜止性震顫 E. 意向性震顫 13.The inverse stretch reflex A. Has a lower threshold than the stretch reflex B. Is a monosynaptic reflex C. Is a disynaptic reflex with a single interneuron inserted betwe

11、en the afferent and efferent limbs D. Is a polysynaptic reflex with many interneurons inserted between the afferent and efferent limbs E. Requires the discharge of central neurons that release acetylcholine 14.以下屬于丘腦非特異投射系統(tǒng)的主要細胞群是 A. 聯(lián)絡核和髓板內(nèi)核群 B. 感覺接替核和聯(lián)絡核 C. 感覺接替核 D. 聯(lián)絡核 E. 髓板內(nèi)核群 15.可被阿托品阻斷的受體是 A.

12、受體 B. 受體 C. N型受體 D. M型受體 E. N型和M型受體 16.The representational hemisphere is A. The right cerebral hemisphere in most right-handed individuals B. The left cerebral hemisphere in most left-handed individuals C. The part of the brain concerned with language functions D. The site of lesions in most patien

13、ts with aphasia E. Morphologically identical to the opposite nonrepresentational hemisphere 17.Which of the following is a ligand-gated ion channel? A. VIP receptor B. Norepinephrine receptor C. GABAA receptor D. GABAB receptor E. Metabotropic glutamine receptor 18.興奮性突觸后電位在突觸后膜上發(fā)生的電位變化為 A. 極化 B. 超極

14、化 C. 后電位 D. 復極化 E. 去極化 19.The distance by which two touch stimuli must be separated to be perceived as two separate stimuli is greatest on A. The lips B. The palm of the hand C. The back of the scapula D. The dorsum of the hand E. The tips of the fingers 20.In which of the following disease is there

15、 reason to believe that the mesocortical system of dopamine neurons is hyperactive? A. Parkinsons disease B. Manic-depressive psychosis C. Schizophrenia D. Hyperprolactinemia E. Migraine 21.形成條件反射的基本條件是 A. 要有適當?shù)臒o關(guān)刺激 B. 要有完整的大腦皮質(zhì) C. 要有非條件刺激 D. 非條件刺激出現(xiàn)在無關(guān)刺激之前 E. 無關(guān)刺激與條件刺激在時間上結(jié)合 22.Causalgia is A. Asso

16、ciated with loss of hair in the affected area B. Abolished by sectioning the sensory nerves in the affected area C. Relieved by drugs that block glycine receptors D. Relieved by drugs that block a1-adrenergic receptors E. Relieved by drugs that block muscarinic cholinergic receptors 23.下列對皮質(zhì)運動區(qū)功能特征的

17、敘述，哪項是錯誤的 A. 對軀體運動的支配有交叉的性質(zhì)，但對頭面部的支配多數(shù)是雙側(cè)性的 B. 功能定位總的配布是倒置的，頭面部代表區(qū)內(nèi)部的配布為正的 C. 肌肉的運動越精細、越復雜，其代表區(qū)越大 D. 人工刺激所引起的肌肉運動反應為協(xié)同性收縮 E. 運動區(qū)的基本功能單位呈柱狀結(jié)構(gòu) 24.下列關(guān)于丘腦的感覺接替核的論述，哪一項是錯誤的？ A. 是一般經(jīng)典感覺的第三級神經(jīng)元 B. 后外側(cè)腹核為脊髓丘腦束與內(nèi)側(cè)丘系的換元站，同軀體四肢感覺有關(guān) C. 內(nèi)側(cè)膝狀體是聽覺傳導的換元站 D. 外側(cè)膝狀體是視覺傳導的換元站 E. 后內(nèi)側(cè)腹核為三叉丘系的換元站，與傳導內(nèi)臟感覺有關(guān) 25.關(guān)于突觸傳遞的敘述，下列

18、哪一項是正確的？ A. 雙向傳遞 B. 不易疲勞 C. 突觸延擱 D. 不能總和 E. 呈衰減性 26.脊髓突然被橫斷后，斷面以下脊髓所支配的骨骼肌的緊張度 A. 增強，但能恢復正常 B. 增強，但不能恢復正常 C. 降低，能恢復但與正常不同 D. 降低，但能恢復正常 E. 基本不變 27.關(guān)于脊髓休克的下列論述，哪一項是錯誤的？ A. 脊髓突然被橫斷后,斷面以下的脊髓反射活動即暫時喪失 B. 斷面以下的脊髓反射、感覺和隨意運動可逐漸恢復 C. 動物進化程度越高，其恢復速度越慢 D. 脊髓休克的產(chǎn)生，是由于突然失去了高位中樞的調(diào)節(jié)作用 E. 反射恢復后，第二次橫斷脊髓，不再導致休克 28.副交

19、感神經(jīng)系統(tǒng)不具有下列哪一特點 A. 節(jié)前纖維長，節(jié)后纖維短 B. 不支配某些臟器 C. 緊張性活動 D. 刺激節(jié)前纖維時反應比較局限 E. 在應急反應中活動明顯增強 29.運動神經(jīng)元軸突末梢釋放的遞質(zhì)是 A. 乙酰膽堿 B. 去甲腎上腺素 C. 甘氨酸 D. 谷氨酸 E. 5-羥色胺 30.5羥色胺神經(jīng)元的胞體主要位于腦內(nèi)的 A. 丘腦中線核群 B. 腦干中縫核群 C. 蒼白球 D. 尾核 E. 殼核 31.The function of neuroglia is responsible for A. transmiting impulse B. metabolic exchange C. c

20、ontraction D. secretion E. absorption 32.人類腦電圖波最為顯著的大腦部位是 A. 額葉 B. 顳葉 C. 頂葉 D. 枕葉 E. 前腦底部 33.邊緣系統(tǒng)不包括 A. 大腦皮質(zhì)邊緣葉 B. 蒼白球 C. 隔區(qū) D. 杏仁核 E. 下丘腦 34.A lesion of Wernickes area (the posterior end of the superior temporal gyrus) in the categorical hemisphere causes patients to A. Lose short-term memory B. Sp

21、eak in a slow, halting voice C. Experience dj vu D. Talk rapidly but make little sense E. Lose the ability to recognize faces 35.下列關(guān)于腱器官的描述，正確的是 A. 與梭外肌纖維呈并聯(lián)關(guān)系 B. 與梭內(nèi)肌纖維呈并聯(lián)關(guān)系 C. 是一種長度感受器 D. 傳入纖維是類纖維 E. 作用意義在于避免肌肉拉傷 36.神經(jīng)沖動抵達末梢時，引起遞質(zhì)釋放主要有賴于哪種離子的作用？ A. Cl- B. Ca2+ C. Mg2+ D. Na+ E. K+ 37.關(guān)于神經(jīng)膠質(zhì)細胞的敘述，下

22、列哪項是錯誤的？ A. 具有許多突起 B. 具有轉(zhuǎn)運代謝物質(zhì)的作用 C. 具有支持的作用 D. 沒有軸突 E. 沒有細胞分裂能力 38.A man loses his right hand in a farm accident. Four years later, he has episodes of severe pain in the missing hand (phantom limb pain).A detailed PET scan study of his cerebral cortex might be expected to show A. Expansion of the r

23、ight hand area in his right somatic sensory area I (SI) B. Expansion of the right hand area in his left SI C. A metabolically inactive spot where his hand area in his left SI would normally be D. Projection of fibers from neighboring sensory areas into the right-hand area of his right SI E. Projecti

24、on of fibers from neighboring sensory areas into the right hand area of his left SI 39.人類小腦受損后可出現(xiàn)一些癥狀，下列哪一項是不會見到的 A. 運動共濟失調(diào) B. 肌張力降低 C. 平衡失調(diào) D. 安靜時出現(xiàn)震顫，做精細運動時震顫消失 E. 以上癥狀可由大腦皮質(zhì)代償而緩解 40.有關(guān)與ATP結(jié)合的嘌呤能受體，正確的描述是 A. 2Y受體激活后cAMP增加 B. P2U受體激活后cAMP減少 C. X受體激活后通IP3 和DG增加 D. Z受體激活后IP3 和DG減少 E. T受體是離子通道，可被DP激活

25、41.交感神經(jīng)節(jié)后纖維的遞質(zhì)是 A. 去甲腎上腺素 B. 多巴胺 C. 5羥色胺 D. 乙酰膽堿 E. 去甲腎上腺素或乙酰膽堿 42.下列哪種情況最能說明去大腦僵直是由骨骼肌牽張反射亢進引起的 A. 刺激網(wǎng)狀結(jié)構(gòu)易化區(qū)，引起僵直 B. 橫斷脊髓后，斷面以下僵直消失 C. 刺激前角運動神經(jīng)元，引起僵直 D. 切斷腹根傳出纖維，僵直消失 E. 切斷背根傳入纖維，僵直消失 43.談論梅子時引起唾液分泌是 A. 交感神經(jīng)興奮所致 B. 副交感神經(jīng)興奮所致 C. 第一信號系統(tǒng)的活動 D. 第二信號系統(tǒng)的活動 E. 非條件反射 44.內(nèi)側(cè)膝狀體接受下列哪種感覺纖維投射? A. 內(nèi)側(cè)丘系 B. 三叉丘系 C

26、. 視覺傳導束 D. 聽覺傳導束 E. 脊髓丘腦前束 45.萎縮性癱瘓是由于 A. 中央前回運動區(qū)全部損傷 B. 下運動神經(jīng)元麻痹 C. 紋狀體受損 D. 黑質(zhì)病變 E. 小腦后葉受損 46.丘腦中發(fā)出特異投射纖維的最主要核團是 A. 內(nèi)側(cè)膝狀體 B. 外側(cè)膝狀體 C. 后腹核 D. 丘腦前核 E. 外側(cè)腹核 47.膽堿能M型受體存在于 A. 大多數(shù)副交感節(jié)后纖維支配的效應器細胞膜上 B. 神經(jīng)-肌肉接頭的后膜上 C. 自主神經(jīng)節(jié)神經(jīng)元上 D. 受交感節(jié)后纖維支配的虹膜輻射狀肌上 E. 受交感節(jié)前纖維支配的腎上腺髓質(zhì)嗜鉻細胞上 48.AMPA受體激活時，允許通過突觸后膜的離子是 A. a+和C

27、l-，主要是a+ B. K+-和Cl-,主要是K+ C. Cl-和a2+,主要是Cl- D. K+和a2+,主要是a2 E. a+和K+,主要是a+ 49.Which of the following diseases is not caused by overexpression of a trinucleotide repeat? A. Alzheimers disease B. Fragile X syndrome C. Spinocerebellar ataxia, type 3 D. Huntingtons disease E. Friedreichs ataxia 50.Which

28、 of the following does not exert an analgesic effect? A. Tetrahydrocannabinol B. Substance P antagonists C. Cholinergic agonists D. Histamine E. Morphine 51. A. Delta (0.5-4 Hz) B. Theta (4-7 Hz) C. Alpha (8-13 Hz) D. Beta (18-30 Hz) E. Fast, irregular low-voltage activity 52.下列哪項是人類新小腦受損時所特有的癥狀 A.

29、肌張力降低 B. 偏癱 C. 靜止性震顫 D. 意向性震顫 E. 位置性眼震顫 53.運動單位是指 A. 一個運動神經(jīng)元 B. 一組具有相同功能的運動神經(jīng)元群 C. 一組可產(chǎn)生某一動作的肌肉群 D. 一束肌纖維 E. 由一個運動神經(jīng)元及所支配的全部肌纖維所組成的功能單位 54. A. Ca2+ B. Cl- C. K+ D. Na+和K+，尤其是Na+ E. Cl-和K+，尤其是Cl- 55.治療震顫麻痹的最佳藥物是 A. 左旋多巴 B. 依色林 C. 利血平 D. 乙酰膽堿 E. 5-羥色胺 56.下列關(guān)于條件反射的生物學意義的敘述，哪項是錯誤的 A. 后天形成，數(shù)量無限 B. 具有極大的易

30、變性 C. 具有高度的適應性 D. 可脫離非條件反射獨立完成 E. 條件反射建立的過程就是學習記憶的過程 57.下列關(guān)于視覺通路的描述，哪一項是正確的？ A. 右眼顳側(cè)視網(wǎng)膜的傳入纖維投射至左枕葉皮層 B. 左眼鼻側(cè)視網(wǎng)膜的傳入纖維投射至右枕葉皮層 C. 視網(wǎng)膜上半部的傳入纖維投射到距狀裂下緣 D. 視網(wǎng)膜下半部的傳入纖維投射到距狀裂上緣 E. 視網(wǎng)膜中央黃斑區(qū)的傳入纖維投射到距狀裂前部 58.下列關(guān)于神經(jīng)膠質(zhì)細胞的描述正確的是 A. 既有樹突又有軸突 B. 與相鄰細胞有突觸聯(lián)系 C. 細胞間普遍存在突觸聯(lián)系 D. 有隨細胞外Na+濃度改變的膜電位 E. 有產(chǎn)生動作電位的能力 59.When

31、motor neuron discharge increases at the same time as a motor neuron discharge to muscle A. There is prompt inhibition of discharge in spindle Ia afferents B. The contraction of the muscle is prolonged C. The muscle will not contract D. The number of impulses in spindle Ia afferents is smaller than w

32、hen a discharge alone is increased E. The number of impulses in spindle Ia afferents is greater than when a discharge alone is increased 60.傳入側(cè)支性抑制和回返性抑制全屬于 A. 突觸后抑制 B. 突觸前抑制 C. 周圍性抑制 D. 交互抑制 E. 前饋抑制61.關(guān)于外周遞質(zhì)的敘述，下列哪項是錯誤的？ A. 副交感神經(jīng)節(jié)前纖維釋放的遞質(zhì)為乙酰膽堿 B. 交感神經(jīng)節(jié)前纖維釋放的遞質(zhì)為乙酰膽堿 C. 大多數(shù)副交感神經(jīng)節(jié)后纖維釋放的遞質(zhì)為乙酰膽堿 D. 交感神經(jīng)

33、節(jié)后纖維釋放的遞質(zhì)為乙酰膽堿 E. 軀體運動神經(jīng)末梢釋放的遞質(zhì)為乙酰膽堿 62.Increased neural activity before a skilled voluntary movement is first seen in the A. Spinal motor neurons B. Precentral motor cortex C. Basal ganglia D. Cerebellum E. Cortical association areas 63.下列哪項屬于副交感神經(jīng)的作用 A. 瞳孔擴大 B. 糖原分解增加 C. 逼尿肌收縮 D. 骨骼肌血管舒張 E. 消化道括約肌

34、收縮 64.逆行性遺忘癥的機理可能是 A. 第一級記憶發(fā)生擾亂 B. 第二級記憶發(fā)生擾亂 C. 第三級記憶發(fā)生擾亂 D. 第一級記憶至第二級記憶過程發(fā)生擾亂 E. 海馬環(huán)路的損害 65.以會聚學說和易化學說解釋牽涉痛的主要依據(jù)是 A. 病區(qū)與放射部位源于相同胚胎節(jié)段和皮節(jié) B. 體表局部麻醉不能取消劇烈的牽涉痛 C. 體表局部麻醉可消除輕微的牽涉痛 D. 脊髓后角存在調(diào)控痛覺傳入的閘門 E. 感覺傳入通路中存在輻散式和聚合聯(lián)系 66.關(guān)于丘腦第二類核群的敘述，錯誤的是 A. 總稱為聯(lián)絡核 B. 參與許多感覺的聯(lián)系功能 C. 與大腦皮層無特定的投射關(guān)系 D. 包括丘腦前核、丘腦外側(cè)腹核等 E.

35、不直接接受感覺投射纖維 67.The optic chiasm is sectioned in a dog, and with the right eye covered, the animal is trained to bark when it sees a red square. The right eye is then uncovered and the left eye covered. The animal will now A. Fail to respond to the red square because the square does not produce impul

36、ses that reach the right occipital cortex B. Fail to respond to the red square because the animal has bitemporal hemianopia C. Fail to respond to the red square if the posterior commissure is also sectioned D. Respond to the red square only after retraining E. Respond promptly to the red square in s

37、pite of the lack of input to the left occipital cortex 68.遞質(zhì)共存的正確敘述是 A. 一個核團的多個神經(jīng)元內(nèi)共存同一種遞質(zhì) B. 一個神經(jīng)元可存在兩種或兩種以上的遞質(zhì) C. 兩個神經(jīng)元共存一種相同的遞質(zhì) D. 兩個神經(jīng)元共存一種遞質(zhì)和一種調(diào)質(zhì) E. 兩個中樞的神經(jīng)元共存同存同一種遞質(zhì) 69.Withdrawal reflexes are not A. Initiated by nociceptive stimuli B. Prepotent C. Prolonged if the stimulus is strong D. Absent

38、 several months after transection of the spinal cord E. Dependent on local sign for their exact pattern 70.Thirst is stimulated by A. Increases in plasma osmolality and volume B. An increase in plasma osmolality and a decrease in plasma volume C. A decrease in plasma osmolality and an increase in pl

39、asma volume D. Decreases in plasma osmolality and volume E. Injection of vasopressin into the hypothalamus 71.When an individual is naked in a room in which the air temperature is 2l C and the humidity 80%, the greatest amount of heat is lost from the body by A. Elevated metabolism B. Respiration C.

40、 Urination D. Vaporization of sweat E. Radiation and conduction 72.反射時的長短主要取決于 A. 刺激的強弱 B. 感受器的敏感性 C. 傳入與傳出纖維的傳導速度 D. 中樞突觸的多少 E. 效應器的敏感性 73.High-frequency stimulation of which of the following does not produce the alerting response? A. Sciatic nerve B. Lateral spinothalamic tract C. Midbrain reticul

41、ar formation D. Medial lemniscus above the midbrain E. Intralaminar nuclei of the thalamus 74.臨床上的“錐體束綜合癥”實際上是 A. 錐體系受損 B. 錐體外系受損 C. 錐體系和錐體外系合并受損 D. 延髓錐體受損 E. 脊髓運動神經(jīng)元損傷 75.第一感覺區(qū)位于 A. 中央前回 B. 中央后回 C. 顳葉皮層 D. 中央前回與島葉之間 E. 顳下回 76.脊髓閏紹細胞參與構(gòu)成的抑制稱為 A. 周圍性抑制 B. 側(cè)支性抑制 C. 去極化抑制 D. 交互性抑制 E. 回返式抑制 77.成人腦電圖波在 A

42、. 安靜閉目時出現(xiàn)阻斷現(xiàn)象 B. 糖皮質(zhì)激素血濃度高時頻率減慢 C. 高血糖時頻率減慢 D. 發(fā)熱時頻率減慢 E. 動脈血PO2高時頻率減慢 78.副交感神經(jīng)對代謝的影響是 A. 促進甲狀旁腺素分泌 B. 促進胰高血糖素分泌 C. 促進糖原分解 D. 促進胰島素分泌 E. 促進甲狀腺激素的釋放 79.Activation of which of the following receptors would be expected to decrease anxiety? A. Nicotinic cholinergic receptors B. Glutamate receptors C. GA

43、BAA receptors D. Glucocorticoid receptors E. a1-Adrenergic receptors 80.舞蹈病主要是因為下列哪條通路受累引起的 A. 黑質(zhì)-紋狀體多巴胺能易化通路 B. 黑質(zhì)-紋狀體多巴胺能抑制通路 C. 黑質(zhì)-紋狀體膽堿能易化通路 D. 黑質(zhì)-紋狀體膽堿能抑制通路 E. 紋狀體內(nèi)膽堿能和-氨基丁酸能神經(jīng)元病變 81.下列關(guān)于巴賓斯基征的描述，錯誤的是 A. 檢查時以鈍物劃足跖外側(cè) B. 陽性體征為拇指背屈而其他四趾扇形散開 C. 嬰兒正常時可出現(xiàn)陽性體征 D. 成人在麻醉或熟睡狀態(tài)下多為陰性體征 E. 臨床上用于檢查皮層脊髓束功能是否正

44、常 82.關(guān)于感覺皮層代表區(qū)的敘述，下列哪一項是錯誤的？ A. 本體感覺在中央前回 B. 內(nèi)臟感覺的投射區(qū)在額葉 C. 體表感覺區(qū)在中央后回 D. 聽覺代表區(qū)在顳葉 E. 視覺代表區(qū)在枕葉 83.以下屬于膽堿能受體的是 A. M、N和 B. M、N和 C. M、N1和N2 D. M、和 E. M、1和2 84.下列哪項指標比較適用于檢測睡眠的深度 A. 體溫變化 B. 喚醒閾或腦電 C. 呼吸變化 D. 脈搏變化 E. 血壓變化 85. A. 促進生長和體力恢復 B. 促進細胞增殖和成熟 C. 促進記憶和幼兒神經(jīng)系統(tǒng)成熟 D. 促進食欲和消化 E. 促進腦電圖的同步化 86.Benzodiaz

45、epines such as diazepam (Valium) relieve anxiety because they A. Inhibit dopamine binding in the brain stem B. Inhibit glutamate binding in the limbic system C. Facilitate norepinephrine release in the hypothalamus D. Facilitate the effects of GABA throughout the nervous system E. Block muscarinic a

46、cetylcholine receptors in the limbic system 87.突觸前抑制的特點是 A. 突觸前膜超極化 B. 潛伏期長，持續(xù)時間長 C. 突觸前軸突末梢釋放抑制性遞質(zhì) D. 突觸后膜的興奮性降低 E. 通過軸突樹突式突觸的結(jié)構(gòu)基礎實現(xiàn) 88.下列對縫隙連接的描述中，哪一項是錯誤的? A. 連接部位的膜阻抗較低 B. 屬于電傳遞 C. 傳遞的速度快 D. 通常為單向傳遞 E. 只存在于神經(jīng)系統(tǒng)中 89.以下屬于丘腦特異性投射系統(tǒng)的核團是 A. 聯(lián)絡核 B. 網(wǎng)狀核 C. 感覺接替核 D. 髓板內(nèi)核群 E. 感覺接替核和聯(lián)絡核 90.人類基底神經(jīng)節(jié)調(diào)節(jié)功能障礙，主要

47、表現(xiàn)形式不包括 A. 肌肉強直 B. 肌張力障礙 C. 隨意運動完全喪失 D. 靜止性震顫 E. 不自主的舞蹈樣運動 91.脊髓的何種損傷可導致痛溫覺與輕觸覺障礙分離？ A. 完全橫斷 B. 脊髓空洞癥 C. 脊髓離斷 D. 后角受損 E. 前根病變 92.以下哪種感覺不經(jīng)過特異投射系統(tǒng)傳入？ A. 嗅覺 B. 聽覺 C. 視覺 D. 味覺 E. 本體感覺 93.Which of the following is not synthesized in postganglionic sympathetic neurons? A. L-Dopa B. Dopamine C. Norepinephr

48、ine D. Histamine E. Acetylcholine 94.The effects of bilateral loss of hippocampal function include A. Disappearance of remote memories B. Loss of working memory C. Loss of the ability to encode events of the recent past in long-term memory D. Loss of the ability to recall faces and forms but not the

49、 ability to recall printed or spoken words E. Production of inappropriate emotional responses when recalling events of the recent past 95.神經(jīng)纖維的傳導速度 A. 與閾電位成正比 B. 與髓鞘化的程度成反比 C. 與纖維直徑成正比 D. 與刺激強度成正比 E. 溫度降低，傳導速度加快 96.An anterolateral cordotomy is performed that produces relief of pain in the right leg

50、. It is effective because it interrupts the A. Left dorsal column B. Left ventral spinothalamic tract C. Right lateral spinothalamic tract D. Left lateral spinothalamic tract E. Right corticospinal tract 97.內(nèi)臟痛的主要特點是 A. 刺痛 B. 慢痛 C. 定位不精確 D. 必有牽涉痛 E. 對牽拉不敏感 98.下列哪條通路不屬于錐體外系 A. 網(wǎng)狀脊髓束 B. 頂蓋脊髓束 C. 紅核脊髓束

51、 D. 皮質(zhì)脊髓束 E. 前庭脊髓束 99.脊髓丘腦側(cè)束的主要功能是傳導 A. 同側(cè)的痛、溫覺 B. 同側(cè)的觸覺 C. 對側(cè)的痛、溫覺 D. 對側(cè)的觸覺 E. 同側(cè)的深壓覺 100.Which of the following statements about nerve growth factor is not true? A. It is made up of three polypeptide subunits B. It is found in high concentration in the submandibular salivary glands of female mice

52、C. It is necessary for the growth and development of the sympathetic nervous system D. It is picked up by nerves from the organs they innervate E. It is present in the brain 101.Secretion of which of the following hormones does not increase at night? A. Growth hormone B. ACTH C. Melatonin D. Insulin E. Prolactin 102.腦