Animal-transmitted diseases are generally spread to accidental hosts by

A) direct contact.
B) aerosols.
C) bites.
D) direct contact, aerosols, and bites.


Answer: D

Biology & Microbiology

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Your patient becomes sick due to an infection by the influenza virus and now has the flu. The cells which would most directly lyse virally infected host cells in this case are ____. These cells mature in the _____.

A. T cells, bone marrow B. B cells, thymus C. T cells, lymph nodes D. B cells, spleen E. T cells, thymus

Biology & Microbiology

The biotic potential representing growth without limits at its maximal rate is indicated by what symbol? 

A. ri B. N C. K D. dN/dt E. N/K

Biology & Microbiology

The existence of differential drug sensitivity serves to reinforce the idea that

A. many people carry genetic defects. B. each individual is biologically and biochemically unique. C. drugs need to be more closely regulated. D. metabolic blocks are a widespread phenomenon. E. none of these is reinforced.

Biology & Microbiology

Cyclic AMP activates protein kinase C in producing a cell response.

Answer the following statement true (T) or false (F)

Biology & Microbiology