{"name":"美甲师题库","level":"初级 / 中级","org":"相关行业协会","count":300,"questions":[{"id":1,"type":"single","difficulty":"基础","stem":"去除可重复使用金属工具上的可见甲屑后，按规定消毒前还应完成哪项操作？","options":["用清洁剂刷洗并冲净","用封层胶涂覆并照灯","用干毛巾擦亮并收纳","用磨砂条打磨并抛光"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：清洁与消毒的顺序。A项正确：清洁可进一步去除污物，为后续规范消毒创造条件。B项错误：封层胶与美甲灯不能替代工具消毒。C项错误：擦亮收纳不能清除残留有机污物。D项错误：打磨抛光是加工方式，不能替代清洗。","tier":"基础"},{"id":2,"type":"single","difficulty":"基础","stem":"标为一次性使用的海绵锉完成一位顾客服务后，应怎样处理？","options":["酒精喷湿后留给下位","按废弃物要求弃置","紫外照射后留给下位","刷洗晾干后留给下位"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：一次性工具管理。A项错误：喷酒精不能改变一次性使用属性。B项正确：按要求弃置可避免跨顾客复用。C项错误：紫外照射不能使一次性工具变为可复用工具。D项错误：清洗不能改变产品标示的使用限制。","tier":"基础"},{"id":3,"type":"single","difficulty":"基础","stem":"同类甲锉标注180目与240目，通常哪项比较正确？","options":["180目更细，去除更慢","240目更粗，去除更快","180目更粗，去除更快","两者同粗，去除同速"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：甲锉目数。A项错误：同类甲锉目数较小通常较粗。B项错误：240目通常较细。C项正确：相同条件下较粗的180目通常去除材料更快。D项错误：两种目数所代表的粗细不同。","tier":"基础"},{"id":4,"type":"single","difficulty":"基础","stem":"自然甲修整时，哪种组织属于不应随意剪除的活组织？","options":["已脱落的游离甲屑","甲板末端的游离缘","甲板表面的死角质","甲根周围的活皮肤"],"answer":[3],"explanation":"AI 生成、仅供复习参考。知识点：甲周组织辨识。A项错误：脱落甲屑不是活皮肤。B项错误：游离缘可在适当长度内修整。C项错误：贴附甲板的死角质可谨慎清理。D项正确：剪除活皮肤可能出血并破坏屏障。","tier":"基础"},{"id":5,"type":"single","difficulty":"基础","stem":"凝胶产品说明要求使用配套灯具，固化时应依据什么设定照灯时间？","options":["该产品说明的固化参数","涂层表面失去光泽时间","顾客感觉甲面发热时间","同色普通甲油干燥时间"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：凝胶固化条件。A项正确：按配套灯具和产品参数操作。B项错误：表面光泽不能证明完整固化。C项错误：发热感不能用于判断固化终点。D项错误：普通甲油挥发干燥与凝胶光固化不同。","tier":"基础"},{"id":6,"type":"single","difficulty":"基础","stem":"在不损伤自然甲的前提下轻度去光，主要用于实现哪种效果？","options":["增加甲板厚度与硬度","改善涂层附着的条件","去除甲板深层的水分","替代工具清洗与消毒"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：甲面轻度去光。A项错误：去光会去除少量表层而非增厚。B项正确：适度表面处理有助于附着，须服从产品要求。C项错误：不能通过打磨去除深层水分。D项错误：甲面处理不能代替工具卫生流程。","tier":"基础"},{"id":7,"type":"single","difficulty":"基础","stem":"按产品流程完成甲面处理后，底胶通常应涂在哪个位置？","options":["覆盖甲板及两侧皮肤","覆盖甲板及近端活皮","覆盖甲板并避开皮肤","覆盖甲板下方的甲床"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：底胶涂布范围。A项错误：接触两侧皮肤会增加刺激和翘边风险。B项错误：底胶不应覆盖近端活皮。C项正确：按说明涂于甲板并避开皮肤。D项错误：甲床在甲板下，不是外涂操作部位。","tier":"基础"},{"id":8,"type":"single","difficulty":"基础","stem":"适用于卸除的可卸凝胶，常用的卸甲原理是哪项？","options":["温水浸泡使甲板软化","洗手液浸泡使色料乳化","封层胶覆盖使底层脱落","卸甲溶剂作用使胶层松解"],"answer":[3],"explanation":"AI 生成、仅供复习参考。知识点：可卸凝胶卸除。A项错误：温水不是此类凝胶的常规卸除溶剂。B项错误：洗手液不能替代指定卸甲剂。C项错误：新增封层不使旧胶可靠松解。D项正确：使用适配溶剂并按说明操作可使可卸胶松解。","tier":"基础"},{"id":9,"type":"single","difficulty":"基础","stem":"甲面清洁剂擦拭后仍有浮尘，涂底胶前应怎样处理？","options":["除净浮尘再按流程清洁","加厚底胶包住残留浮尘","增加色胶遮住残留浮尘","先做封层压住残留浮尘"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：涂胶前除尘。A项正确：浮尘会妨碍均匀附着，应先清除。B项错误：包住浮尘不能保证附着。C项错误：色胶遮盖只改变外观。D项错误：封层不能替代底层前的表面清洁。","tier":"基础"},{"id":10,"type":"single","difficulty":"基础","stem":"为减少甲油胶接触皮肤，操作中应优先采用哪种涂布方式？","options":["贴近甲沟堆积厚胶","控制胶量留出边界","沿甲周皮肤延伸涂胶","先涂活皮再推回甲板"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：控制涂胶边界。A项错误：厚胶易溢入甲沟。B项正确：控制用量并避开皮肤可减少接触。C项错误：延伸到皮肤会增加刺激风险。D项错误：先接触皮肤再推回不能消除暴露。","tier":"基础"},{"id":11,"type":"single","difficulty":"基础","stem":"未固化的色胶流到侧边皮肤上，照灯前应怎样处理？","options":["先照灯再锉掉皮肤边胶","先封层再擦掉皮肤边胶","清除溢胶再按要求照灯","缩短照灯使溢胶易撕掉"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：溢胶处理。A项错误：应在固化前清除而非在皮肤附近锉除。B项错误：封层会增加材料且不能消除接触。C项正确：先清除皮肤上的未固化材料再固化。D项错误：减少固化时间可能造成固化不足。","tier":"基础"},{"id":12,"type":"multi","difficulty":"基础","stem":"可重复使用金属工具的清洁消毒管理，哪些做法符合规范流程？","options":["先除污清洗再规范消毒","浸泡时间按顾客数缩短","已处理工具与脏锉混放","按说明配制消毒液浓度"],"answer":[0,3],"explanation":"AI 生成、仅供复习参考。知识点：工具消毒管理。A项正确：有机污物会影响消毒，应先清洁。B项错误：作用时间须按产品及适用规范，不按客流缩短。C项错误：混放可能重新污染。D项正确：浓度应依据说明，不能凭气味判断。","tier":"基础"},{"id":13,"type":"single","difficulty":"进阶","stem":"同一色胶薄涂能正常固化而厚涂出现皱缩，优先应调整哪项操作？","options":["增加单层胶量遮住皱缩","减少单层胶量分层固化","更换更粗甲锉深磨甲板","先涂封层压平未固化胶"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：厚涂与固化辨析。A项错误：增加厚度可能加重固化问题。B项正确：分层薄涂并按配套参数固化能改善光照到达。C项错误：深磨自然甲不能解决涂层过厚。D项错误：封层压平不能保证下层固化。","tier":"挑战"},{"id":14,"type":"single","difficulty":"进阶","stem":"某产品说明要求清除浮胶后再抛光，完成照灯后应怎样区分浮胶与未固化胶？","options":["有黏性就判为固化不足","有光泽就判为完全固化","结合产品特性及固化记录","触感发热就判为完全固化"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：浮胶与固化不足。A项错误：部分产品正常固化后仍有抑制层。B项错误：光泽无法单独证明内部固化。C项正确：核对产品是否产生浮胶及灯具参数，不能只靠触感。D项错误：发热不能证明固化充分。","tier":"挑战"},{"id":15,"type":"single","difficulty":"进阶","stem":"清洁过的金属工具与只喷过酒精的工具外观相同，判断能否投入服务的依据是什么？","options":["工具表面是否足够明亮","工具表面是否没有气味","工具表面是否完全干燥","是否完成规定消毒流程"],"answer":[3],"explanation":"AI 生成、仅供复习参考。知识点：外观与卫生状态。A项错误：外观亮不代表已消毒。B项错误：无气味不能证明消毒有效。C项错误：干燥是储存条件之一而非完整消毒证据。D项正确：需核实清洁、适用消毒方法及作用参数。","tier":"挑战"},{"id":16,"type":"single","difficulty":"进阶","stem":"卸甲后自然甲薄软且触碰敏感，与单纯浮胶残留相比，应优先怎样处理？","options":["停止打磨并评估服务适宜性","继续抛光并去除剩余表层","涂上强底胶并增加照灯次数","换用粗砂条并磨至触感均匀"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：过度打磨识别。A项正确：薄软敏感提示甲板受损，应停止刺激并必要时建议就医。B项错误：继续去除甲板会加重薄化。C项错误：胶与更多照灯不能修复损伤且可能刺激。D项错误：粗砂条会增加去除量。","tier":"挑战"},{"id":17,"type":"single","difficulty":"进阶","stem":"顾客说旧凝胶卸甲剂泡不掉且标签为不可卸硬胶，应选择哪种方法？","options":["延长浸泡直到自然甲变软","按产品要求磨除并保护甲板","增加卸甲剂浓度直到胶溶解","挑起胶边沿自然甲整片撕掉"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：可卸胶与硬胶区别。A项错误：不应通过使自然甲变软来强求卸除。B项正确：不可卸硬胶通常需受控磨除，须避免伤及自然甲。C项错误：不能擅自改变卸甲剂配方。D项错误：强撕会连带损伤甲板表层。","tier":"挑战"},{"id":18,"type":"single","difficulty":"进阶","stem":"同一配套灯内其他手指正常固化而拇指边缘反复异常，首先应核查什么？","options":["拇指甲沟是否剪得更深","拇指甲面是否抛得更亮","拇指摆位是否获得有效照射","拇指封层是否改用普通甲油"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：拇指摆位与照射。A项错误：剪深甲沟不能改善光照且可能损伤。B项错误：抛亮不是改善边缘固化的首要措施。C项正确：拇指侧倾会影响照射，应按灯具要求摆放。D项错误：换普通甲油封层不能解决原胶固化问题。","tier":"挑战"},{"id":19,"type":"single","difficulty":"进阶","stem":"新做凝胶从近端开始翘起且甲板其余处贴合良好，最应先复核哪项记录？","options":["游离缘是否修成圆形","色胶是否选了浅色系","甲锉是否标为细目数","近端清理与涂胶边界"],"answer":[3],"explanation":"AI 生成、仅供复习参考。知识点：近端翘边原因辨析。A项错误：甲形不能直接解释局部近端附着失败。B项错误：色系不是首要定位依据。C项错误：目数需结合操作，单看标记不足以定位。D项正确：残留角质、污物或胶接触皮肤都可能造成近端翘边。","tier":"挑战"},{"id":20,"type":"single","difficulty":"进阶","stem":"电磨操作时同一位置出现持续热感，而转速与磨头均在产品适用范围，首先应怎样调整？","options":["减轻压力并缩短局部停留","加大压力使磨头更快切削","保持位置等待甲面适应","换更粗磨头继续原位打磨"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：电磨摩擦热控制。A项正确：压力与停留影响摩擦热，应及时离开敏感位置。B项错误：增压可能增加发热和损伤。C项错误：持续停留会累积热量。D项错误：更粗磨头原位打磨可能去除过多材料。","tier":"挑战"},{"id":21,"type":"single","difficulty":"进阶","stem":"清洁剂与甲面脱水剂均可使表面暂时干爽，如何正确区分其用途？","options":["两者干爽即可任意互换","按说明分别完成各自用途","用脱水剂替代工具消毒液","用清洁剂替代凝胶底胶层"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：清洁与脱水产品区别。A项错误：触感相似不说明配方和用途相同。B项正确：清洁去污与暂时脱水应按体系说明使用。C项错误：脱水剂不是工具消毒流程的替代物。D项错误：清洁剂不形成底胶所需的附着层。","tier":"挑战"},{"id":22,"type":"single","difficulty":"进阶","stem":"按产品说明需要底胶与封层的凝胶体系，哪项解释能区分两者作用？","options":["底胶增加光泽，封层去除甲屑","底胶消毒甲板，封层软化角质","底胶帮助附着，封层保护表面","底胶溶解除胶，封层吸收油脂"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：底胶与封层功能。A项错误：增加最终光泽常是封层作用，去甲屑属清洁。B项错误：两者不能用作消毒和角质软化。C项正确：底胶促进体系附着，封层保护色层和表面。D项错误：卸胶和除油不是这两层的主要功能。","tier":"挑战"},{"id":23,"type":"multi","difficulty":"进阶","stem":"已确认凝胶翘边但甲周无炎症，重新制作前哪些操作有助于排查并纠正附着问题？","options":["核查前处理是否残留油尘","用新色胶填入翘起夹缝","核查底胶是否接触皮肤","用封层封闭翘起夹缝"],"answer":[0,2],"explanation":"AI 生成、仅供复习参考。知识点：翘边排查。A项正确：油尘可能影响附着，应复核清洁。B项错误：填缝会掩盖未附着区域，不能代替规范卸除处理。C项正确：接触皮肤可能形成翘边起点。D项错误：封闭旧翘边不能恢复原来的有效附着。","tier":"挑战"},{"id":24,"type":"single","difficulty":"进阶","stem":"同一消毒液浓度达标但工具铰链仍有残屑，应怎样兼顾清洁与消毒？","options":["延长浸泡替代铰链清洗","提高浓度替代铰链清洗","擦干表面直接清洁收纳","打开铰链清洗后重新消毒"],"answer":[3],"explanation":"AI 生成、仅供复习参考。知识点：复杂结构工具处理。A项错误：延时不能替代去除残屑。B项错误：擅自提高浓度不能代替清洁。C项错误：表面干燥不代表铰链已处理。D项正确：需使清洗和消毒覆盖铰链等结构部位。","tier":"挑战"},{"id":25,"type":"single","difficulty":"挑战","stem":"顾客上次美甲后甲周红痒起疱，今天希望改用低敏胶继续做，服务前最合适的处置是什么？","options":["暂停凝胶服务并建议医疗评估","改用透明底胶并缩短照灯时间","避开红疹位置并继续涂同类胶","换成厚涂封层并增加照灯时间"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：疑似产品过敏案例。A项正确：既往红痒起疱需评估，不能凭低敏宣传继续暴露。B项错误：透明胶仍可能含相关成分，少照灯可固化不足。C项错误：仅避开可见红疹不能排除接触及再次反应。D项错误：厚涂更多照灯不能消除过敏风险。","tier":"挑战"},{"id":26,"type":"single","difficulty":"挑战","stem":"美甲师剪甲周时划破皮肤少量出血，已停止操作并妥善处理伤口，沾血金属剪下一步应怎样处理？","options":["擦去血迹后放回干净工具盘","隔离工具后按血污染流程处理","喷一次酒精后接着服务下一位","浸入卸甲溶剂后接着修另一手"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：血污染工具处置。A项错误：擦掉可见血迹不等于完成消毒。B项正确：应防止交叉污染并按适用流程清洁消毒，必要时按规范灭菌。C项错误：一次喷洒不保证适用浓度与接触时间。D项错误：卸甲溶剂不是血污染工具的规范处理方式。","tier":"挑战"},{"id":27,"type":"single","difficulty":"挑战","stem":"顾客旧凝胶下出现绿色变色并局部甲板分离，要求用深色胶遮盖，最合适的服务决定是什么？","options":["打磨掉变色并加厚底胶覆盖","用酒精擦净并照常深色封层","暂停覆盖服务并建议就医评估","封住分离缝并缩短下次周期"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：异常甲板服务边界。A项错误：变色与分离不能靠打磨确诊或治愈。B项错误：表面酒精擦拭不能确认问题已解决。C项正确：应停止遮盖并由医疗人员评估原因。D项错误：封缝可能掩盖异常并困住水分。","tier":"挑战"},{"id":28,"type":"multi","difficulty":"挑战","stem":"员工发现一瓶消毒液无配制时间记录且浓度无法确认，忙碌时主管提出四种方案，哪些应否决？","options":["隔离旧液并重新按说明配制","继续浸泡并把时间延长一倍","用合格备用液完成消毒流程","补记当天日期后继续用旧液"],"answer":[1,3],"explanation":"AI 生成、仅供复习参考。知识点：消毒液异常管理案例。A项错误：重新规范配制有助于恢复可核实的使用条件。B项正确：未知浓度不能靠延时补偿。C项错误：合格备用液可按适用流程使用。D项正确：补记日期不能证明实际配制时间和浓度。","tier":"挑战"},{"id":29,"type":"single","difficulty":"挑战","stem":"新员工在自然甲上反复粗磨至透红仍准备涂胶，顾客已感到刺痛，带教人员应怎样纠正？","options":["换细锉继续磨到没有粗锉痕","涂厚底胶遮住透红再完成服务","先泡卸甲剂软化甲板再修整","立即停止打磨并评估甲板损伤"],"answer":[3],"explanation":"AI 生成、仅供复习参考。知识点：过度打磨案例。A项错误：继续磨会增加甲板损失。B项错误：遮盖不能解决已发生的损伤和疼痛。C项错误：卸甲剂可能刺激且软化不能修复甲板。D项正确：透红刺痛提示损伤，应停止刺激并按情况建议就医。","tier":"挑战"},{"id":30,"type":"single","difficulty":"挑战","stem":"顾客照灯时有明显灼痛，移出手后缓解但重入灯又痛，核查发现建构胶堆得过厚，此时应怎样处置？","options":["暂停照灯并按说明调整厚度与固化","让顾客坚持照满时间再用冷水降温","换更强灯具一次照完减少操作次数","先盖一层封层再重复照原定时间"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：厚胶热感案例。A项正确：先停止疼痛刺激，按产品流程纠正过厚和固化方式，持续疼痛需停止服务。B项错误：忍痛可能导致热损伤。C项错误：更强灯不能代替适配与厚度控制。D项错误：再加封层可能增加厚度并掩盖未充分固化区域。","tier":"挑战"},{"id":31,"type":"single","difficulty":"基础","stem":"自然甲的甲板主要由哪种组织构成？","options":["能够收缩的平滑肌组织","覆盖关节的透明软骨组织","致密角化的角蛋白组织","含有血管的结缔组织"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：甲板组成。A项错误：不是肌肉结构。B项错误：不是关节软骨。C项正确：甲板由角化细胞构成。D项错误：甲板本身不是有血管的结缔组织。","tier":"基础"},{"id":32,"type":"single","difficulty":"基础","stem":"指甲主要的生长细胞来源位于哪里？","options":["游离缘下方的甲下皮","甲板两侧外缘的侧甲沟","甲板远端表面的角化层","近端甲根部的甲母质"],"answer":[3],"explanation":"AI 生成、仅供复习参考。知识点：甲母质。A项错误：甲下皮主要承担屏障功能。B项错误：侧甲沟不承担主要生成任务。C项错误：远端角化层不是生成部位。D项正确：甲母质形成甲板。","tier":"基础"},{"id":33,"type":"single","difficulty":"基础","stem":"甲床位于哪个位置？","options":["甲板下方的支撑组织","甲板上方的表层涂膜","甲板远端的悬空部分","甲板侧方的外部凹槽"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：甲床位置。A项正确：甲床支撑并贴附甲板。B项错误：涂膜是人工材料。C项错误：悬空部分为游离缘。D项错误：外部凹槽属甲沟区域。","tier":"基础"},{"id":34,"type":"single","difficulty":"基础","stem":"指甲游离缘是指哪个部分？","options":["位于甲板两侧凹槽中的组织","超过指端且不贴甲床的甲板","贴合甲床且呈粉红色的甲板","位于近端甲褶下面的甲根"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：游离缘定义。A项错误：侧沟组织不是游离缘。B项正确：远端悬空甲板为游离缘。C项错误：贴床区不是游离缘。D项错误：甲根位于近端。","tier":"基础"},{"id":35,"type":"single","difficulty":"基础","stem":"常见半月形浅色甲半月与哪种结构有关？","options":["侧甲褶向外翻卷的区域","游离缘向后延伸的区域","甲母质远端可见的区域","甲下皮远端角化的区域"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：甲半月。A项错误：侧甲褶不是半月来源。B项错误：游离缘不向近端形成半月。C项正确：甲半月是可见的甲母质区域。D项错误：甲下皮在远端。","tier":"基础"},{"id":36,"type":"single","difficulty":"基础","stem":"甲下皮主要位于什么位置？","options":["近端甲褶上方与手背交界处","甲板表面与彩绘层交界处","甲板侧缘与工具尖交界处","游离缘下方与指端交界处"],"answer":[3],"explanation":"AI 生成、仅供复习参考。知识点：甲下皮位置。A项错误：近端甲褶是其他结构。B项错误：彩绘层是人工覆盖。C项错误：工具尖不是解剖定位。D项正确：在远端形成保护性屏障。","tier":"基础"},{"id":37,"type":"single","difficulty":"基础","stem":"甲板本身与甲床相比，哪项描述更准确？","options":["甲板无血管而甲床有血供","甲板有血管而甲床无血供","甲板有肌肉而甲床无肌肉","甲板有神经而甲床无神经"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：甲板与甲床。A项正确：甲板为角化结构甲床为活组织。B项错误：血供位置颠倒。C项错误：甲板不含肌肉。D项错误：甲板本身没有感觉神经。","tier":"基础"},{"id":38,"type":"single","difficulty":"基础","stem":"正常甲板长长的主要方式是什么？","options":["甲板只在甲床中部向外生成","新生甲板由近端向远端推进","甲板只在游离缘端继续接长","甲板只在两侧边缘向内生成"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：甲生长方向。A项错误：甲床中部不是主要生成源。B项正确：甲母质形成甲板逐渐向远端推进。C项错误：游离缘不是主要生成区。D项错误：两侧边缘不承担此主要功能。","tier":"基础"},{"id":39,"type":"single","difficulty":"基础","stem":"方形甲的典型轮廓特征是什么？","options":["侧缘圆弧且前缘椭圆","侧缘内收且前缘斜切","侧缘较直且前缘较平","侧缘收窄且前缘尖细"],"answer":[2],"explanation":"AI 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生成、仅供复习参考。知识点：水晶甲聚合。A项正确：粉液体系按配方发生聚合。B项错误：不是粉末熔融。C项错误：不靠结晶定义粉液固化。D项错误：不是钙化过程。","tier":"挑战"},{"id":70,"type":"multi","difficulty":"进阶","stem":"制作粉液水晶甲时哪些做法有助于控制混合珠状态？","options":["用另一品牌溶剂凭气味替代","按体系要求控制液粉比例","把剩余液体倒回原瓶重复用","使用适配液体与配套粉末"],"answer":[1,3],"explanation":"AI 生成、仅供复习参考。知识点：粉液体系管理。A项错误：气味不能证明成分适配。B项正确：比例影响施工与材料性能。C项错误：回瓶可污染原料。D项正确：体系适配有助反应可靠。","tier":"挑战"},{"id":71,"type":"single","difficulty":"进阶","stem":"水晶珠过湿且持续向周围摊开，产品正常时优先应调整什么？","options":["保持取量只增加表面推抹次数","保持取量只增大建构覆盖面积","按说明调整取液与取粉比例","保持取量只加大压笔力度"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：水晶珠湿度。A项错误：反复推抹不修复比例。B项错误：面积变化不能直接纠正湿珠。C项正确：珠过湿应检查液粉比。D项错误：压力不能恢复正确组成比例。","tier":"挑战"},{"id":72,"type":"single","difficulty":"进阶","stem":"室温升高后同一水晶甲体系可操作时间缩短，应怎样安排操作？","options":["加水稀释液体延长反应时间","延长搅拌直到材料已经成形","增加厚度补偿已缩短的时间","依据环境与说明调整取珠节奏"],"answer":[3],"explanation":"AI 生成、仅供复习参考。知识点：水晶甲操作时间。A项错误：不得随意改变配方。B项错误：成形后继续搅拌不利塑形。C项错误：加厚不恢复工作时间。D项正确：温度可影响反应速度要调整节奏。","tier":"挑战"},{"id":73,"type":"single","difficulty":"进阶","stem":"普通甲油出现细小气泡而瓶内也夹带明显气泡，下一次使用前应怎样调整？","options":["减少剧烈摇动并按要求混匀","更剧烈摇动以让气泡变细","加快连续刷动以留住气泡","将甲油置于热源旁加热混匀"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：甲油混匀气泡。A项正确：剧烈摇动可能卷入空气。B项错误：会继续带入气泡。C项错误：反复刷动可加重气泡。D项错误：加热溶剂型产品不适合。","tier":"挑战"},{"id":74,"type":"single","difficulty":"进阶","stem":"普通甲油第一层尚湿就反复刷第二层，表面出现拖痕，怎样修正流程？","options":["用纸巾擦拭湿膜后立即补色","按产品要求留间隔并减少反复回刷","加大刷压将下层湿膜反复推平","把第二层刷得更厚覆盖拖痕"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：甲油层间拖痕。A项错误：擦湿膜会破坏均匀涂层。B项正确：层间等待和减少回刷可避免带起湿膜。C项错误：加压加重扰动。D项错误：厚涂不解决湿层拖动。","tier":"挑战"},{"id":75,"type":"single","difficulty":"进阶","stem":"普通甲油在冷风下表面快干但厚层内部仍软，适合怎样解释？","options":["表层成膜会消除内部剩余溶剂","厚层比薄层必然更快完成干燥","表层挥发快不证明内部同步干透","冷风能让整层材料立即变硬"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：厚甲油内部干燥。A项错误：表层成膜不意味着内部无溶剂。B项错误：厚涂通常不利实干。C项正确：内部溶剂仍需时间逸出。D项错误：冷风不保证立即实干。","tier":"挑战"},{"id":76,"type":"single","difficulty":"进阶","stem":"金属色普通甲油出现方向杂乱的刷纹，改善视觉均匀性时优先怎样做？","options":["增加最后回刷次数并交叉刷动","只加厚透明保护层遮住方向","只延长干燥时间忽略笔触方向","控制最后笔触方向与连续性"],"answer":[3],"explanation":"AI 生成、仅供复习参考。知识点：金属色刷纹。A项错误：交叉反复可能加重杂乱。B项错误：透明层不直接重排色层颗粒。C项错误：时间不纠正已形成方向纹。D项正确：颗粒取向受笔触影响。","tier":"挑战"},{"id":77,"type":"single","difficulty":"进阶","stem":"法式左右微笑线弧高不同而底色完好，局部修正应优先做什么？","options":["依据中线和两侧参考点调整弧线","依据两枚指甲所用色号调整弧线","依据每层涂膜等待时间调整弧线","依据两枚指甲最终光泽调整弧线"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：微笑线对称。A项正确：几何参考点利于对称。B项错误：色号不定位弧高。C项错误：等待时间不确定线条位置。D项错误：亮度不能定位弧线。","tier":"挑战"},{"id":78,"type":"single","difficulty":"进阶","stem":"细线彩绘总在末端出现粗块，且每笔蘸料过多，优先应如何调整？","options":["保持笔端载料并延长图案线条","减少笔端载料并控制收笔力度","增加笔端载料并保持原收笔","保持笔端载料并加厚底色"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：彩绘收笔。A项错误：加长不必然改善末端粗块。B项正确：过量载料与收笔动作影响末端。C项错误：加料可能加重末端堆积。D项错误：底色厚不纠正笔端料量。","tier":"挑战"},{"id":79,"type":"single","difficulty":"进阶","stem":"同一裸色色卡在白纸上协调但上手后显灰，重新选色时应怎样判断？","options":["只按瓶内液体深浅推定上手效果","只按色号数字大小推定肤色适配","在实际肤色背景下比较冷暖与明度","只按白纸上的颜色排序继续选择"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：肤色与裸色适配。A项错误：瓶内厚度光照与实际涂膜不同。B项错误：编号不保证适配关系。C项正确：肤色背景与颜色相互作用需实际比较。D项错误：白纸不能完全模拟肤色背景。","tier":"挑战"},{"id":80,"type":"multi","difficulty":"进阶","stem":"渐变彩绘出现清晰分界而目标为柔和过渡，哪些措施适合按相应材料流程尝试？","options":["把所有底色改为更厚一层","减少边界处一次堆积的色量","把边界划成更深的分隔线","调整相邻色的过渡混合范围"],"answer":[1,3],"explanation":"AI 生成、仅供复习参考。知识点：渐变边界控制。A项错误：加厚底色不直接解决边界。B项正确：控制色量避免硬边堆积。C项错误：强化分隔线与柔和目标相反。D项正确：适度过渡有助柔化边界。","tier":"挑战"},{"id":81,"type":"single","difficulty":"进阶","stem":"同一构图使用多个大小相同且间隔完全相同的图案，想增加主次应怎样调整？","options":["设置视觉主体并改变尺度间隔","只统一所有图案为同一大小","只统一所有图案为同一间距","只把每个图案同时等比放大"],"answer":[0],"explanation":"AI 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生成、仅供复习参考。知识点：立体饰品与使用。A项错误：覆盖切面可能削弱棱面闪度。B项错误：磨平直接改变光学切面。C项错误：油不是适合的固定材料。D项正确：兼顾固定与切面反光。","tier":"挑战"},{"id":85,"type":"single","difficulty":"进阶","stem":"固定饰品时顾客希望保留切面闪度，且产品允许点位固定，适合怎样处理？","options":["依说明固定底部并保持切面清晰","用不透明色料覆盖所有切面","将所有切面打磨成同一平面","用护理油填满所有固定接缝"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：饰品切面保护。A项正确：按体系固定兼顾切面反光。B项错误：不透明涂层遮蔽光学效果。C项错误：磨平会改变切面。D项错误：护理油不是固定材料。","tier":"挑战"},{"id":86,"type":"single","difficulty":"进阶","stem":"光疗产品包装同时标有批号与开封后期限，库存管理应如何记录？","options":["用剩余容量直接推算开封日期","分别记录批号与开封使用时间","用采购日期直接替代开封时间","用产品色号直接替代生产批号"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：产品批号与期限。A项错误：容量不唯一决定日期。B项正确：用于追溯与期限判断。C项错误：采购不等于开封。D项错误：色号不是批号。","tier":"挑战"},{"id":87,"type":"single","difficulty":"进阶","stem":"操作区出现大量悬浮磨尘但桌面仍干净，应优先改善什么？","options":["只增加顾客离店后的地面清扫","只增加操作台上方的照明亮度","适用的源头集尘与通风条件","只增加服务结束后的桌面湿擦"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：磨尘暴露控制。A项错误：同样不能控制实时空气暴露。B项错误：照明不等于去除粉尘。C项正确：需控制空气磨尘暴露。D项错误：事后擦桌不能充分控制操作时吸入。","tier":"挑战"},{"id":88,"type":"multi","difficulty":"进阶","stem":"接待顾客时哪些资料有助于建立可复核的服务记录？","options":["只记所用产品的广告推荐语","顾客反馈与本次服务日期","只记所用产品的网络热度排名","所用材料批次与设计方案"],"answer":[1,3],"explanation":"AI 生成、仅供复习参考。知识点：服务记录。A项错误：广告语不代替服务事实。B项正确：反馈日期便于复核跟进。C项错误：热度不是本次服务记录。D项正确：真实材料方案支持追溯。","tier":"挑战"},{"id":89,"type":"single","difficulty":"挑战","stem":"顾客要尖长甲但工作频繁抱婴儿且担心划伤，最合适的设计沟通是什么？","options":["讨论较短长度与圆滑前缘方案","保留尖长形并只换低突起饰品","保留尖长形并只增加表面光泽","保留尖长形并只改成柔和配色"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：使用场景设计案例。A项正确：长度几何直接关联划碰风险。B项错误：减少饰品不消除尖端风险。C项错误：光泽不改变尖端。D项错误：配色不消除尖角。","tier":"挑战"},{"id":90,"type":"single","difficulty":"挑战","stem":"纸托装好后延长方向偏左，员工想在完工时把右侧磨薄补偿，带教者应怎样做？","options":["保持偏斜并将前缘再加长","重调纸托轴线再开始建构","保持偏斜并把两侧同时磨薄","保持偏斜并加深左侧彩绘"],"answer":[1],"explanation":"AI 生成、仅供复习参考。知识点：装托偏轴案例。A项错误：加长会扩大偏斜。B项正确：源头校正模板比事后破坏结构合理。C项错误：薄化不能可靠修复中轴且削弱侧壁。D项错误：彩绘掩盖不纠正结构。","tier":"挑战"},{"id":91,"type":"single","difficulty":"挑战","stem":"延长甲侧壁被修出深缺口，员工想涂色遮盖后交付，应怎样处理？","options":["只把顶面继续磨薄使厚度均匀","只把缺口边缘磨圆后照常交付","暂停交付并按体系修复结构","只把前缘再缩短而忽略缺口"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：侧壁缺口案例。A项错误：进一步磨薄可能削弱结构。B项错误：圆化不等于恢复材料连续。C项正确：侧壁缺口需恢复适当结构。D项错误：缩前缘不能必然修复缺口。","tier":"挑战"},{"id":92,"type":"single","difficulty":"挑战","stem":"顾客要求照图片做很长的甲，但本次预约只有短时基础服务，双方尚未谈价，合适的沟通是什么？","options":["按基础价先做再临时追加费用","先做一手再告知另一手需加价","省略建构流程赶在预约时间内做完","明确设计时长费用并协商服务范围"],"answer":[3],"explanation":"AI 生成、仅供复习参考。知识点：服务范围确认案例。A项错误：事后突然加价未充分沟通。B项错误：中途迫使加价不合适。C项错误：赶工省结构可能影响质量。D项正确：应提前确认范围费用与时间。","tier":"挑战"},{"id":93,"type":"single","difficulty":"挑战","stem":"门店发现数瓶普通甲油同时变稠且长期未盖紧，员工拟加入卸甲剂统一恢复，合理处置是什么？","options":["按产品说明评估并使用允许稀释剂","将所有瓶倒在一起加卸甲剂","每瓶加入清水后剧烈摇匀","每瓶放在热源旁加热再补溶剂"],"answer":[0],"explanation":"AI 生成、仅供复习参考。知识点：甲油库存异常案例。A项正确：应保持体系并逐瓶评估。B项错误：混瓶和卸甲剂可能损害配方。C项错误：清水不适合恢复甲油。D项错误：加热溶剂产品存在危险且不规范。","tier":"挑战"},{"id":94,"type":"multi","difficulty":"挑战","stem":"顾客选水钻款又说明每天戴紧手套，哪些调整值得与其讨论？","options":["将高支架移到游离缘之外","减小饰品突起并控制侧缘外伸","增大饰品尖角并保留悬垂链","改为平面彩绘模拟装饰效果"],"answer":[1,3],"explanation":"AI 生成、仅供复习参考。知识点：装饰功能冲突案例。A项错误：外伸高支架增加风险。B项正确：降低突出减少挂碰。C项错误：尖角和链更易挂碰。D项正确：平面设计降低干扰。","tier":"挑战"},{"id":95,"type":"single","difficulty":"挑战","stem":"顾客要求根据甲半月数量判断体质并购买护理套餐，美甲师应怎样答复？","options":["按半月多直接断言无需保养","按半月颜色直接开具治疗建议","不作健康诊断并按实际护理需求沟通","按半月少直接断言体质虚弱"],"answer":[2],"explanation":"AI 生成、仅供复习参考。知识点：甲半月咨询边界案例。A项错误：数量不决定是否需保养。B项错误：美甲师不应据此外观治疗。C项正确：甲半月外观不能支持此类诊断。D项错误：数量不能单独诊断虚弱。","tier":"挑战"},{"id":96,"type":"single","difficulty":"挑战","stem":"完成粉液甲后员工把用过的单体液倒回原瓶以节省成本，主管应怎样纠正？","options":["先过滤掉可见颗粒再回倒","先加等量新液稀释再回倒","先放置到恢复透明再回倒","停止回倒并按说明处理剩余液"],"answer":[3],"explanation":"AI 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,"explanation":"知识点：底胶涂布过厚时固化放热集中会产生灼热感。底胶过厚导致放热峰集中，正确项对；色胶颜色深主要影响固化时间不直接引起灼热；甲面过薄可能敏感但非最主要原因；封层未照灯不会在照灯时产生灼热。","tier":"进阶"},{"id":204,"type":"single","stem":"美甲师在修整甲型时，顾客要求将方形甲改为椭圆形甲，正确的操作顺序是","options":["先修两侧再修甲尖","先修甲尖再修两侧","先修一侧再修另一侧","先修甲根再修甲尖"],"answer":[1],"explanation":"知识点：修甲型应先确定甲尖长度再修两侧弧度。先修甲尖确定长度，再修两侧形成椭圆，正确项对；先修两侧会失去长度参照；先修一侧再修另一侧易造成不对称；甲根不需要修整形状。","tier":"进阶"},{"id":205,"type":"single","stem":"卸除甲油胶时使用锡纸包裹法的正确操作是","options":["直接撕除甲油胶","用卸甲水浸泡后刮除","用磨头磨除全部甲油胶","用死皮剪剪除甲油胶"],"answer":[1],"explanation":"知识点：甲油胶卸除需用卸甲水溶解胶体。卸甲水浸泡后刮除可减少甲面损伤，正确项对；直接撕除会损伤自然甲；磨头磨除全部甲油胶易磨薄甲面；死皮剪不能用于剪除甲油胶。","tier":"基础"},{"id":206,"type":"multi","stem":"美甲服务中符合卫生规范的操作用包括哪些","options":["每位顾客使用一次性砂条","金属工具使用后清洗并消毒","美甲师操作时佩戴手套","甲油胶瓶口定期擦拭消毒","工具浸泡在消毒液中长期存放"],"answer":[0,1,2],"explanation":"知识点：美甲服务卫生规范包括一次性用品一人一换、金属工具清洗消毒、操作佩戴手套。一次性砂条一人一换正确；金属工具清洗消毒正确；佩戴手套正确；甲油胶瓶口擦拭可减少污染但消毒说法不准确；工具长期浸泡消毒液会腐蚀工具且不实用。","tier":"进阶"},{"id":207,"type":"single","stem":"修整自然甲甲型时，若客人甲床宽而指节细，为在视觉上拉长手指，通常优先选择的甲型是","options":["方形","方圆形","椭圆形","喇叭形"],"answer":[2],"explanation":"知识点为甲型与手型的视觉修饰关系。椭圆形两侧收窄、前端圆润，能在视觉上拉长手指，适合甲床宽而指节细的手型；方形前端平直、两侧平行，会强调甲的宽度；方圆形只是方形的圆角版，横向视觉仍偏宽；喇叭形前端外扩，会进一步显手宽，且属于夸张造型不适合此诉求。","tier":"进阶"},{"id":208,"type":"single","stem":"使用可卸凝胶甲时，打磨机磨头选择与转速控制不当最容易造成的直接损伤是","options":["甲板过薄","甲床出血","甲根红肿","甲沟发白"],"answer":[0],"explanation":"知识点为电动打磨对自然甲的损伤机制。磨头粒度过粗或转速过高、停留过久，会迅速磨去甲板角质层导致甲板过薄；甲床出血多由剪破或推破甲下皮引起，不是打磨过度的典型表现；甲根红肿属于感染或过敏反应；甲沟发白多与推甲或浸泡有关，不是打磨过度的直接结果。","tier":"进阶"},{"id":209,"type":"single","stem":"关于美甲工具中金属推棒与砂条的消毒顺序，正确的是","options":["先清洁再消毒再干燥保存","先消毒再清洁再干燥保存","清洁后直接干燥保存即可","清洁后浸泡清水备用即可"],"answer":[0],"explanation":"知识点为器械处理的标准流程。任何器械必须先去除可见污物再消毒，否则有机物会削弱消毒效果，消毒后需干燥保存以防再污染；先消毒再清洁等于消毒无效；仅干燥不消毒无法杀灭病原体；浸泡清水既不能清洁也不能消毒，反而可能滋生细菌。","tier":"进阶"},{"id":210,"type":"single","stem":"客人甲板表面出现细小横向白色条纹且近期频繁换甲，最可能的原因是","options":["甲板过度打磨变薄","甲床血液循环加快","甲母质短期受损","甲根角质层增厚"],"answer":[2],"explanation":"知识点为甲板异常形态与成因对应。横向白色条纹多提示甲母质在某一时段受到刺激或损伤，新甲长出时留下痕迹，频繁换甲时的打磨与卸甲是常见诱因；甲板过度打磨变薄表现为整体透红或易弯，不是条带；血液循环加快不会形成横向条纹；甲根角质层增厚表现为甲周皮肤增厚，与甲面条纹无关。","tier":"进阶"},{"id":211,"type":"single","stem":"做单色甲油胶时，出现表面缩胶（局部露出底胶）最可能的原因是","options":["底胶照灯时间不足","色胶涂布过厚","甲面残留油分或粉尘","封层固化温度过低"],"answer":[2],"explanation":"知识点为缩胶的成因排查。缩胶多因甲面存在油分、粉尘或清洁剂残留，使色胶无法均匀铺展；底胶照灯不足会导致整层不固化发黏，不会只局部缩胶；色胶过厚主要造成固化不全或起皱，不是缩胶的典型表现；封层固化与色胶铺展无直接关系，且温度不是主要变量。","tier":"进阶"},{"id":212,"type":"single","stem":"水晶甲（丙烯酸）制作中，液粉比例中单体过多会导致","options":["固化过快难以塑形","固化过慢且易发黄","甲面过于坚硬无韧性","粉末无法浸润成团"],"answer":[1],"explanation":"知识点为水晶甲液粉比例的影响。单体过多会使聚合反应变慢、固化时间延长，多余单体氧化后易使甲体发黄；固化过快通常是单体偏少或环境温度过高；过硬无韧性多为粉多液少；粉末无法浸润成团与单体过多相反，是液体不足的表现。","tier":"进阶"},{"id":213,"type":"single","stem":"法式甲制作时，若微笑线两侧高度不一致，最直接导致的原因是","options":["甲油胶颜色选择偏差","笔刷取胶量不一致","微笑线定位点未先对称标记","封层涂布方向不统一"],"answer":[2],"explanation":"知识点为法式微笑线的对称控制。微笑线两侧高度不一致属于定位问题，规范做法是先确定甲面中点和两侧对称点再连线；颜色偏差影响色调不影响对称；取胶量不一致影响线条粗细或流畅度，不会单独造成两侧高低不同；封层方向不影响已完成的微笑线形状。","tier":"进阶"},{"id":214,"type":"single","stem":"客人对甲油胶气味敏感并诉说涂后甲周发痒，正确的下一步处置是","options":["继续完成并加涂封层隔离","立即卸除并清洁接触部位","改用同品牌其他色号继续","加大通风后直接补涂一层"],"answer":[1],"explanation":"知识点为接触性刺激或过敏的现场处置。出现发痒提示可能对产品成分不耐受，应立即卸除并清洁接触部位，避免反应加重；继续完成或补涂会让致敏物持续接触；换同品牌其他色号成分体系接近，仍可能引发反应；仅通风不能消除已发生的皮肤反应。","tier":"进阶"},{"id":215,"type":"single","stem":"客人卸甲后甲板发白、按压有轻微疼痛，美甲师当天最恰当的处理是","options":["立即重新做一副延长甲遮盖","用粗砂条打磨发白区域","暂停服务并建议观察与护理","涂加钙底油后正常做甲油胶"],"answer":[2],"explanation":"知识点为甲板受损后的服务判断。发白伴按压痛提示甲板或甲床可能受损，应暂停化学与机械刺激，先观察护理；立即做延长甲会把损伤掩盖并加重负担；粗砂条打磨会进一步磨薄甲板；涂底油后继续做胶仍会对受损甲面产生刺激，不利于恢复。","tier":"挑战"},{"id":216,"type":"multi","stem":"下列属于美甲服务中一次性或需一客一换的用品有","options":["砂条","指甲锉","毛巾","推棒","分趾器"],"answer":[0,1,4],"explanation":"知识点为美甲用品的卫生分类。砂条、指甲锉、分趾器直接接触甲面或皮肤且难以彻底消毒，应一客一换或专人专用；毛巾属于布草类，需一客一换并清洗消毒，但题目问的是一次性或需一客一换的用品中，毛巾虽一客一换却常归入布草管理，而砂条、指甲锉、分趾器是典型一客一换或一次性用品；推棒为金属器械，可清洁消毒后重复使用，不属于一客一换。","tier":"进阶"},{"id":217,"type":"single","stem":"修整自然甲甲面时，180/240目打磨块的正确使用顺序是","options":["先用180目粗面修形，再用240目细面平滑甲面","先用240目细面修形，再用180目粗面平滑甲面","两面同时交替使用以避免甲面过热","只用180目粗面完成修形与抛光"],"answer":[0],"explanation":"知识点为打磨块目数与修整程序。180目较粗用于修形，240目较细用于平滑甲面，故A正确；B把粗细分面顺序颠倒，会先磨伤甲面再修形；C交替使用无助于控制甲面厚度且易过度打磨；D只用粗面无法完成平滑，甲面会残留划痕。","tier":"进阶"},{"id":218,"type":"single","stem":"用死皮剪处理甲缘死皮时，剪口应保持在","options":["与甲缘垂直并紧贴甲沟根部","与甲缘呈45°且只剪翘起的死皮","与甲缘平行并深入甲沟剪切","与甲面呈90°并向下压剪"],"answer":[1],"explanation":"知识点为死皮剪操作角度与安全范围。45°剪翘起死皮可避免伤及活体组织，故B正确；A垂直紧贴甲沟根部易剪破活皮；C平行深入甲沟会剪伤甲沟软组织；D向下压剪会压迫甲床并造成创口。","tier":"基础"},{"id":219,"type":"single","stem":"美甲工具中，可重复使用但必须经高压蒸汽灭菌处理的是","options":["指甲锉","金属推棒","化妆棉","抛光条"],"answer":[1],"explanation":"知识点为工具材质与消毒灭菌等级。金属推棒耐高温高压，可经高压蒸汽灭菌，故B正确；A指甲锉为纸质或砂面材质，高压灭菌会损坏；C化妆棉为一次性消耗品；D抛光条含砂面与海绵层，不能高压灭菌。","tier":"进阶"},{"id":220,"type":"single","stem":"为客人卸除甲油胶时，打磨头应选择","options":["陶瓷粗砂打磨头","金刚砂细砂打磨头","羊毛抛光打磨头","橡胶推砂打磨头"],"answer":[1],"explanation":"知识点为卸甲打磨头选择。金刚砂细砂打磨头可温和磨除甲油胶层，故B正确；A陶瓷粗砂打磨头切削力过强，易磨伤自然甲；C羊毛抛光打磨头用于抛光而非卸甲；D橡胶推砂打磨头用于推甲缘死皮。","tier":"基础"},{"id":221,"type":"single","stem":"自然甲修整中，甲面刻磨的正确方向是","options":["从甲根向甲尖单向轻磨","从甲尖向甲根单向重磨","在甲面做同一方向平行轻磨","在甲面做来回快速拉锯式打磨"],"answer":[2],"explanation":"知识点为刻磨方向与甲面保护。同一方向平行轻磨可形成均匀微痕又不伤甲，故C正确；A从甲根向甲尖会使甲根变薄；B从甲尖向甲根重磨易损伤甲根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