题目内容

A neurotoxin that causes flaccid paralysis is

A. tetanospasmin
B. botulinum toxin
C. α toxin
D. enterotoxin

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The most common portal of entry forC. tetani,the cause of tetanus, is the

A. Skin
B. Gastrointestinal tract
C. Respiratory tract
D. Genital tract
E. Nasal tract

Tetanus toxin (tetanospasmin) diffuses to terminals of inhibitory cells in the spinal cord and brainstem and blocks which of the following?

A. Release of acetylcholine
B. Cleavage of SNARE proteins
C. Release of inhibitory glycine and γ-aminobutyric acid
D. Release of Protective Antigen
E. Activation of acetylcholine esterase

Which of the following statements about tetanus and tetanus toxoid is correct?

A. Tetanus toxin kills neurons
B. Tetanus toxoid immunization has a 10% failure rate
C. The mortality rate of generalized tetanus is less than 1%
Double vision is commonly the first sign of tetanus
E. Tetanus toxin acts on inhibitor interneuron synapses

Which of the following food items is most frequently associated with infant botulism?

A. Corn syrup
B. Canned infant formula
C. Liquid multivitamins
D. Honey
E. Jarred baby food

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