A proportion written as a ratio states that the relationship of A:B is the same as C:D and is written as
A:B=C:D.
Indicate whether the statement is true or false
TRUE
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Theories can never be definitively proved
A) True B) False
A patient with fecal incontinence should be taught the importance of maintaining good skin integrity. What should be the focus of a nurse's teaching?
a. Cleanse the perianal area thoroughly after each stool. b. Use a fecal pouch. c. Change incontinence undergarments once a day. d. Take an over-the-counter laxative daily.
A placenta previa when the placental edge just reaches the internal os is called:
a. total. b. partial. c. low-lying. d. marginal.
Examples of prenatal diagnostic studies include:
a. Chorionic villus sampling (CVS) b. Amniocentesis c. Carrier screening d. Preimplantation genetic diagnosis (PGD) e. Drug-sensitivity testing