Answer the following questions using the therapeutic index graph above.1. How many milligrams of the drug are necessary to produce an effective dose in 50% of the subjects tested?Answer: _____________2. How many milligrams of the drug are necessary to produce a lethal dose in 50% of the subjects?Answer: _____________3. Calculate the therapeutic index for the drug. Remember 
.Answer: _____________4. How many milligrams of the drug are needed to be effective in 100% of the subjects?Answer: ________________
What will be an ideal response?
1. 20 mg
2. 60 mg
3. 
4. approximately 38 mg
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In order to control egress passageways, firefighters should close doors to rooms adjacent to the passageway:
A. after it is searched. B. before it is searched. C. to mark it as having occupants. D. to mark it as needing searched.
When removing a windshield during extrication, you should use a:
A) reciprocating saw. B) Hurst tool. C) spring-loaded punch. D) Halligan bar.
The ________ is the straight line seen on an EKG that represents the beginning and the end point of all waves.
A. impulse B. baseline C. system interval D. interval
The __________________________ is the shallow groove extending along the midline of the tongue.
Fill in the blank(s) with the appropriate word(s).