HW24 - cyanide, CN-, that inhibits the conversion of O 2 to...

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HW24 Q1 Which of the following agencies regulates safety in the workplace? a. OSHA b. CPSA c. HTA d. EPCRA Q2 A highly toxic substance would have a diamond-shaped OSHA label with which of the following designations? a. A 0 in the blue diamond. b. A 4 in the blue diamond. c. A 4 in the red diamond. d. A 4 in the yellow diamond. Q3 What hazard is denoted by the following international pictogram? a. Corrosive b. Oxidizing agent c. Carcinogen d. Biohazard Q4 Where in the human body would metabolic reactions occur that attempt to make it easier for the body to eliminate a poison? a. Lungs b. Bladder c. Liver d. Kidney Q5 The dosage of a poison that kills 50% of a population of test animals is denoted by which of the following? a. ED 50 b. TD 50 c. LD 50 d. KD 50
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Q6 Which of the following poisons forms a stable complex with cholinesterase that inhibits the transmission of nerve signals? a. Sarin b. Hg 2+ c. Fe 3+ d. As 3+ Q7 (0.5 points) Which of the following functions as a poison when it forms a stable complex with
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Unformatted text preview: cyanide, CN-, that inhibits the conversion of O 2 to water in a cell? a. Sarin b. Fe 3+ c. Ca 2+ d. Fe 2+ Q8 (0.5 points) Which of the following functions as a poison when it inhibits an enzyme by distorting the shape of its active site? a. Sarin b. Ca 2+ c. Fe 3+ d. Hg 2+ Q9 Alcoholic beverages are known to be which one of the following? a. Carcinogen b. Mutagen c. Teratogen d. Endocrine disrupter Q10 The largest source of radiation to which the average human is exposed in a year is which one of the following? a. Nuclear fuel cycle of a power plant b. X-rays c. Inert gas, Rn-222 d. Fallout from the development and use of nuclear devices (such as left over radiation from World War II) Q11 How many standard chest X-rays are required per year to have the same biological risk as 1 yr of exposure to natural radiation (from soil, cosmic rays, etc.)? a. 10 b. 30 c. 100 d. 500...
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This note was uploaded on 10/19/2011 for the course CHEM 83 taught by Professor Bonk,j during the Fall '08 term at Duke.

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HW24 - cyanide, CN-, that inhibits the conversion of O 2 to...

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