题目内容

Which of the following cells is the main target of HIV()

A. CD4+T lymphocyte cells
B lymphocyte cells
C. Monocytes
D. Neurogliocytes
E. NK cells

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Which test of the following is used for confirming the diagnosis of HIV infection()

A. Enzyme-linked immunosorbent assay (ELISA)
B. Radioimmunoassay
C. Indirect immunofluorescence test
D. Western blotting
E. Complement fixation test

Which of the following methods cannot inactivate HIV()

A. 75% ethanol
B. Ultraviolet light
C. Iodine tincture
D. Sodium hypochlorite
E. Heating under 100℃ for 20 minutes

Which of the following is incorrect about the characteristics of HIV()

A. Retrovirus
B. Single-stranded DNA virus
C. Lentivirus
D. Include HIV-1 and HIV-2
E. Consists of envelope and core

74LS160的计数条件是()

A. ET=0
B. EP=0
C. B.ET=0
D. EP=1
E. C.ET=1
F. EP=0
G. D.ET=1
H. EP=1

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