d) the study of the adverse effects of chemicals in biological system 10 Which o
ID: 205435 • Letter: D
Question
d) the study of the adverse effects of chemicals in biological system 10 Which of the following is not an epidemiologic study? al. Cohort b) Case series c) Case control d) Cross-sectional e) Ecolegical 12. Organic forms of nitregen include all, except a) Amines b) Urea c) NH (Ammonia) d) Amino Acids e) Trinitrotoluene. 13The best way to identify any particular chemical substance is by: a) the CAS number b) the atomic number c) a molecular weight d) the number of hydrogen atoms 14. A retained its individual properties a) mixture b) suspension e) liquid d) matrix o any substance that contains more than one chemical compound or element that has 15. The specific gravity of a substance refers to a) the ratio of the density of the material compared to the density of water b) the weight of any substance conmpared to the weight of liquid oxyges c) the density of the substance compared to the density of nitrogen d)the weight ofthe substance comparedtoweight ofcarbon 16. When the atoems of different elements combine during a chemical reaction a) compound b) molecule c)xn.re d) solution a isformed 17. The number of naturally-occurring elements is apporoximately a) 90 b) 200 c) 12 d) 1000 I8. The regulasory agency responsuble for collecting adverse events reports for drugs is the a) FDA b) CIA c) OSHA 19. The sumber of chemicals in common usage in both industrial and residential settings is approximately a) 80,000 b) 10 millicsExplanation / Answer
10.d)cross-sectional
12.c)Ammonia
13.a)CAS number
14.a)mixture
15.a)the ratio of the density of the material compared to the density of water
16.a)compound
17.a)90
18.a)FDA
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.