The therapeutic index is the ratio of a drug's LD50 to its ED50. A large therapeutic index means that:
1. the drug is relatively safe.
2. the drug is not safe.
3. there is overlap between the therapeutic dose and the lethal dose.
4. the drug is too toxic for 50% of the population.
Correct Answer: 1
You might also like to view...
The children of an older woman ask the nurse for advice about helping their mother heal after her husband's (their father's) death. Which strategy should the nurse share with the family?
a. Appoint one family member to take her on outings. b. Coordinate family expressions of care and concern. c. Have each child plan a long trip with her assistance. d. Take her to community events to meet other people.
A patient with increased ICP has a ventriculostomy for monitoring ICP. The nurse's most recent assessment reveals that the patient is now exhibiting nuchal rigidity and photophobia
The nurse would be correct in suspecting the presence of what complication? A) Encephalitis B) CSF leak C) Meningitis D) Catheter occlusion
What do most childhood cancers arise from?
a. Epithelium b. Mesodermal germ layer c. Embryologic ectodermal layer d. Viscera
Which pregnant woman should restrict her weight gain during pregnancy?
a. Woman pregnant with twins b. Woman in early adolescence c. Woman shorter than 62 inches or 157 cm d. Woman who was 20 pounds overweight before pregnancy