The bacterium that causes tuberculosis can be expelled from the lungs by a cough and remain viable in the air for an hour or more. If a person inhales the bacteria from the air, what type of transmission has occurred?
A) indirect contact
B) airborne
C) waterborne
D) foodborne
E) bodily fluid
B
Bloom's Taxonomy: Comprehension
Section: Modes of Infectious Disease Transmission
Learning Outcome: 14.17
Biology & Microbiology
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A positive antibody titer indicates
A) previous exposure to an antigen. B) active infection. C) latent disease. D) a healthy individual.
Biology & Microbiology
Flagellated protozoans possess a layer of
elastic proteins just beneath the plasma membrane called the
a. pellicle. b. cilium. c. capsule. d. pillus. e. flagellum
Biology & Microbiology
Each __________ develops into a pollen grain. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
The organisms occupying the base of a pyramid of energy are autotrophs
____________________ Indicate whether the statement is true or false.
Biology & Microbiology