Overview of the MCAT, DAT, and Other Entrance Exams (updated 6/18/15). This document is intended to provide basic information about the Medical College Admission Test (MCAT), the Dental Admission Test (DAT), and other required exams for health professions schools.
The majority of research animals are used in experiments focused on disease treatment and prevention, and the treatment of injuries. Laboratory animals are also used in basic medical research, breeding other research animals and diagnosis.Rats and mice account for about 95 percent of all animals used in research. Most of the remaining research animals are rabbits, guinea pigs, hamsters, farm animals, fish and insects.Combined, less than one percent of the remaining research animals are cats, dogs and non-human primates.ats and mice account for about 95 percent of all animals used in research. Most of the remaining research animals are rabbits, guinea pigs, hamsters, farm animals, fish and insects. Combined, less than one percent of the remaining research animals are cats, dogs and non-human primates.
Rats and mice are the animals most often used in acute toxicity testing. It is difficult to extrapolate information on human responses to chemicals based on these animal test methods because different species of animals have wide variations in their responses to chemicals.he animalsâ bone marrow is then evaluated to examine the effects on the nucleus of the blood cells. In a similar procedure, the micronucleus test, a blood sample is obtained from the animals, usually mice, and analyzed for an increased presence of micronuclei, a sign of chromosomal damage.