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Which of the following is the most accurate statement about opioids?

Screening reduces the overall costs of health care.

One positive screening test is not usually sufficient to diagnose a disease.

Which of the following is not a criterion for successful screening?

Which of the following is not true of the screening for lung cancer using chest X-rays?

Deaths from drug overdoses exceed those from motor vehicle injuries.

Hypertrichosis is inherited in an autosomal dominant manner, and follows Mendelian genetics. If two people who are heterozygous and show the phenotype for hypertrichosis both have children, what is the probability that they will have a child with the genetic disorder?

A patient has just returned to their hometown from a hiking/camping vacation, and is experiencing symptoms of an infection: high fever, swollen lymph nodes, black-and-blue marks or hemorrhages under the skin.   A doctor on the treating medical team asks her if she has been in the four corners area of the U.S.–where the states of Arizona, Colorado, New Mexico, and Utah all meet.  Why does the doctor ask her this?

Which organ of the GI tract has a large, commensal population of microorganisms? 

Blisters