Which of the following statements is TRUE?
A) Absorption means that most medications whether unchanged or metabolized are excreted in the urine.
B) Affinity is the process of chemically changing a medication through metabolism within the body.
C) Therapeutic index is a ratio comparing a medication's lethal dose with an effective dose of the same medication.
D) Half-life is the degree or rate at which a drug or other substance becomes available at the site of physiological activity after administration.
Answer: C
You might also like to view...
Which of the following best completes the statement: Wet-to-dry dressings __________?
A. impair wound healing by traumatizing healthy granulation tissue. B. facilitate wound healing by attracting macrophages. C. facilitate wound healing by allowing crust formation, which protects the wound bed from bacteria. D. impair wound healing because they are cytotoxic to living cells.
Which of the following is NOT relevant in determining whether or not delivery is imminent for a woman in labor?
A) Phoning the patient's obstetrician for advice B) Finding out how many pregnancies the patient has had C) Determining if the patient feels as if she needs to move her bowels D) Asking how long ago the contractions began