In the United States Army Special Forces, the motto is traditionally believed to mean to free from oppression or to liberate the oppressed in English. A correct translation of the phrase de oppresso liber would be from (being) an oppressed man, (to being) a free one. The preposition de here means from in the sense of a change from one status to another, not intending separation from the oppressed, but moving from a source in the oppressed.
Qualitative hCG testing detects the presence of hCG and is routinely used to screen for a pregnancy. This test may be performed by a laboratory, at a doctor's office, or at home using a home pregnancy test kit.
Screening tests are laboratory tests that help to identify people with increased risk for a condition or disease before they have symptoms or even realize they may be at risk so that preventive measures can be taken.They are an important part of preventive health care.Screening tests help detect disease in its earliest and most treatable stages. Therefore, they are most valuable when they are used to screen for diseases that are both serious and treatable, so that there is a benefit to detecting the disease before symptoms begin.They should be sensitive-that is, able to correctly identify those individuals who have a given disease.Many routine tests performed at regular health exams are screening tests. Cholesterol testing and Pap smears for women are examples. Newborns are screened for a variety of conditions at birth.herefore, they are most valuable when they are used to screen for diseases that are both serious and treatable, so that there is a benefit to detecting the disease before symptoms begin. They should be sensitive-that is, able to correctly identify those individuals who have a given disease.