The Time to Reach "Steady-State" Concentrations of a Drug (The

question 21

Multiple Choice

The time to reach "steady-state" concentrations of a drug (the level of drug achieved in blood with repeated,regular-interval dosing) is:

• A) dependent upon the actual dosage of drug.
• B) achieved when the amount of drug administered per unit time is approximately six times the amount eliminated per unit time.
• C) achieved in approximately six times the drug's elimination half-life.
• D) reached after one elimination half-life.

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Definitions:

Ductus Deferens

The ductus deferens, also known as the vas deferens, is a tube that carries sperm from the testes to the urethra, serving as a key component of the male reproductive system.

Seminal Vesicle

A gland in men that secretes a fluid component of semen into the urethra.

Fetal Period

The stage of human development that starts from the ninth week after fertilization and continues until birth, characterized by rapid growth and maturation of tissues and organs.

Pre-embryonic Period

The earliest phase of prenatal development, encompassing the first week after fertilization when the zygote forms.