After how many unsuccessful attempts at obtaining a good blood sample should you seek assistance from your supervisor or the doctor?

A catchall may be temporary to control large amounts of water until chutes are constructed:

A. on all floors. B. to route water outside. C. to route water to a water vacuum. D. on the lowest floor of the fire incident structure.

Which type of immunity results simply from being human, as opposed to being a cow or plant? 

A. Naturally acquired active B. Artificially acquired passive C. Naturally acquired passive D. Artificially acquired active E. Species resistance