Pap Smears and Pelvic Exams. The Pap smear is a screening test for cancer of the cervix, and for changes of the cells of the cervix that could lead to cancer. When: Routine screening is done every 3 years, beginning at age 21 and going until age 65. How: Please see below under Speculum exam.
Insecticides are commonly used in agricultural, public health, and industrial applications, as well as household and commercial uses (e.g., control of roaches and termites). The most commonly used insecticides are the organophosphates, pyrethroids and carbamates (Figure 1). The USDA (2001) reported that insecticides accounted for 12% of total pesticides applied to the surveyed crops. Corn and cotton account for the largest shares of insecticide use in the United States.
Types of Pesticides. Many types of pesticides are available to control pests (Table 1). Some, such as fumigants (gases) are nonspecific, in that they control a wide variety of pests such as insects, weeds, nematodes, and fungi in the application area.For example, an aerosol bomb will kill all insects in the room in which it is applied.o apply these types of pesticides in Pennsylvania, a person is required to have a pesticide applicator certification or be under the direct supervision of a certified applicator. All other pesticides are classified as Unclassified/General Use pesticides, and anyone can apply them according to label directions.