In which phase of syphilis, no lesion is detected?
A. Primary phase
B. Second phase
C. latent phase
D. tertiary phase.
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In Which phase does lesion of changcre occur?
A. Primary phase
B. Second phase
C. Latent phase
D. Tertiary phase
Each statement is right about TP infection EXCEPT _____?
A. Heart failure may proceed in tertiary phase.
B. A chancre lesion is reddened ulcer filled with TP in Phase II.
C. TP can invade the bloodstream and spreadsystemically.
D. Widely spread rash lesions are filled with spirochetes and extremely contagious in second phase.
In which phase of syphilis, no active TP is detected?
A. Primary phase;
B. Second phase
C. Latent phase
D. Tertiary phase.
叉车加注润滑脂的部位主要有______。
A、门架与驱动桥铰接处
B、倾斜油缸铰接处
C、转向系各铰接处
D、水泵轴等各轴承