题目内容

关于儿童囟门闭合情况,下列说法不正确的是()

A. 前囟一般在6个月闭合
B. 后囟出生时很小,1~2个月即关闭
C. 囟门闭合过早,要警惕头小畸形
D. 囟门闭合晚,多见于佝偻病、脑积水、克汀病
E. 婴儿因腹泻致脱水时,会出现前囟凹陷

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更多问题

以下哪种病理改变在Alzheimer病的组织中不存在()

A. 老年斑
B. 胆碱能神经元脱失
C. 神经元纤维缠结
D. 路易小体
E. 血管淀粉样变

当直线段垂直投影面时,其投影积聚成一点。()

A. 正确
B. 错误

气腿移动时()关闭凿岩机上的调压阀和操纵阀。

A. 应该
B. 不必
C. 快速
D. 必须

A previously functional, scheduled snapshot operation against a JFS2 filesystem has failed. The JFS2 filesystem is mounted and appears intact. What is the most likely cause of the failure and how should it be resolved?()

A. The associated JFS2 log device has failed. Check the log device and varyon the device.
B. The logical volume that hosts the snapshots is full. Increase the size of the logical volume.
C. Fifteen snapshots already exist for the given JFS2 filesystem. Delete at least one existing snapshot.
D. The volume group that hosts both the snapshots and JFS2 filesystem has lost quorum. Check and correct the integrity of the volume group.

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