Which Statement Explains the Usefulness of the Median Toxicity Dose

question 20

Multiple Choice

Which statement explains the usefulness of the median toxicity dose best?

• A)Is useful because drug amounts that are lower than the TD₅₀ will not produce the desired effect.
• B)Is useful for determining the efficacy and potency of a drug.
• C)Is useful because it is not ethical to determine the LD₅₀ in humans.
• D)Is useful because drug amounts that exceed the TD₅₀ will be lethal to half the population.

---

Definitions:

Flat Bone

Bones that have a flat, thin shape and are often involved in protecting internal organs or providing a large area for muscle attachment.

Tarsals

are the collection of seven bones in the foot situated between the bones of the lower leg and the metatarsals of the foot.

Short Bone

Bones that are about as long as they are wide, providing support and stability with little to no movement, typically found in the wrist and ankle.