True or false: Drug or toxin exposure can be established only if exposure occurred within the past six months.

Compare and contrast the following: (a) presumptive testing and confirmatory testing (b) qualitative analysis of drugs and quantitative analysis of drugs (c) addiction and dependence (d) alcohol proof and concentration of alcohol (e) acute and chronic poisoning

True or false: Accidental deaths can result from exposure to poisons such as arsenic, mercury, and herbicides found in drinking water.

Many of the crimes committed in the United States are related to the use, possession, and distribution of drugs. (a) List four types of crimes related to drug use. (b) What do you think can be done to reduce the number of drug-related crimes in the United States.

True or false: The effects of some hallucinogens can recur in the form of flashbacks long after the drugs wear off.

In the summer months, expösure to extreme temperatures can be life threatening, but specialized glands close to the surface of the skin help to keep the body cool. What are these specialized glands and how do they help to regulate body temperature?

A use-dilution test was used to evaluate two disinfectants against Salmonella choleraesuis. The results were as follows:

a. Which disinfectant was the most effective? b. Which disinfectant should be used against Staphylococcus?

True or false: A person who builds up a tolerance to a drug no longer experiences any side effects.

The caliber of a bullet is related to its a) diameter b) length c) speed d) weight

The trajectory of a projectile is best described as (a) the target (b) the flight path (c) the housing for its gunpowder (d) the pattern of lands and grooves on the projectile

Which is the correct sequence of developmental stages for blowflies? (a) egg, larva, pupa, adult (b) egg, second instar, third instar, pupa, adult (c) egg, pupa, maggot, adult (d) first instar, second instar, third instar, pupa, adult

Which can issue death certificates but cannot perform autopsies? (a) coroner (b) pathologist (c) medical examiner (d) both the coroner and the pathologist

A forensic anthropologist noted that a set of skeletal remains exhibited the following traits: wide subpubic angle, a sacrum curved outward, no visible growth plates, and porous bones. Which description is consistent with these characteristics? (a) female under 30 with arthritis (b) male over 50 with scoliosis (c) female under 20 with Asian ancestry (d) female over 30 with osteoporosis

Write each phrase as an algebraic expression. y less than 18 times 6