Organisms that live in, on, or at the expense of another organism:
A. are called host organisms
B. are parasites
C. are always unicellular
D. are found only in blood and bone marrow
Answer: B
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How can incident commanders help alleviate on-scene stress?
A) Keep the firefighters so busy that they won't have time to think about being stressed. B) Purchase plenty of soda drinks with caffeine to keep firefighters alert. C) Schedule five-minute breaks for units as often as possible. D) Firefighters are tough and manage their stress well, so the incident commander need do nothing except focus on his/her own job.
Which of the following is a term used to describe pits left in the skin by compressing and then releasing pressure?
a. Turgor b. Pitting edema c. Ischemic compression d. Trigger point
The median lethal dose is:
A. the LD50. B. the ED50. C. the effective dose. D. the maximal dose.
One type of disposable supply is a prepared paper slide used to test the stool for the presence of ________.
Fill in the blank(s) with the appropriate word(s).