Candida albicans often causes
A. Ringworm
B. Infection of subcutaneous tissue
C. Infection of skin mucous membrane and internal organs
D. Toxemia
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Which statement regarding fungal cell walls is correct?
A. The major components of fungal cell walls are proteinssuch as chitin, glucans, and mannans
B. The cell wall is not essential for fungal viability or survival
C. Ligands associated with the cell walls of certain fungimediate attachment to host cells
D. Fungal cell wall components are the targets for the major classes of antifungal antibiotics, such as the polyenes and azoles
E. Fungal cell wall components rarely stimulate an immune
The mechanism of mucosal invasion by C. albicans is at least partially understood. Which one of the following modifications in the structure or function of this yeast would be most likely to affect its invasive ability?
A. Loss of ability to produce ethanol from glucose
B. Loss of ability to produce germ tubes or hyphae
C. Reduced ability to grow at 37°C
D. Loss of ability to produce a polysaccharide capsule
E. Replacement of mannans in the cell wall with glucan
射精管开口于：
A. 尿道前列腺部
B. 尿道膜部
C. 尿道海绵体部
D. 尿道球
E. 输精管
下列结构不属于男性的内生殖器的是：
A. 睾丸
B. 阴茎
C. 附睾
D. 输精管
E. 前列腺
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