Which of the following is not caused by a protozoan?

A. African sleeping sickness
B. Cryptococcosis
C. Both cryptosporidiosis and cryptococcosis
D. Cryptosporidiosis


Answer: B

Biology & Microbiology

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Although validated susceptibility testing methods do not exist for this group of organisms, in vitro data suggest that certain cephalosporins and aminoglycosides are effective against which one of the following groups of organisms?

a. O. anthropi b. S. putrefaciens c. P. yeei d. R. radiobacter

Biology & Microbiology

What is the proper sequence in the flow of air in mammals?

a. nasal cavities, larynx, pharynx, bronchi, trachea b. nasal cavities, pharynx, bronchi, larynx, trachea c. nasal cavities, pharynx, larynx, trachea, bronchi d. nasal cavities, larynx, pharynx, trachea, bronchi e. nasal cavities, bronchi, larynx, trachea, pharynx

Biology & Microbiology

ATP contains

a. alanine. b. arginine. c. phosphate. d. tyrosine. e. glucose.

Biology & Microbiology

Lethal mutations can be maintained in diploid organisms if they are ________.

A. deletions B. recessive C. dominant D. None of the choices are correct.

Biology & Microbiology