下列选项的滤镜,属于“模糊”滤镜组的是
A. 径向模糊
B. 特殊模糊
C. 高斯模糊
D. 动感模糊
下列选项的滤镜,属于“纹理”滤镜组的是( )
A. 马赛克拼贴
B. 龟裂缝
C. 颗粒
D. 染色玻璃
Pulse oximetry is used to measure ______:
A. forced expiratory volume
B. tidal volume
C. end-tidal CO2
D. oxygen saturation of blood
An endotracheal tube is placed ______:
A. under the trachea
B. beyond the carina
C. within the bronchus
D. within the trachea