PREVENTION COMPREHENSIVE SCRIPT 2026
FULL STUDY GUIDE COMPLETE RESPONSES
◉ Dose Response. Answer: The relationship between the amount of
a drug or substance administered and the magnitude of the
biological effect it produces.
◉ Half-Life. Answer: The time required for the concentration of a
substance in the body to reduce to half its initial value.
◉ Therapeutic Window. Answer: The range of dosages of a drug that
provides effective treatment without causing significant adverse
effects.
◉ EC50. Answer: The concentration of a drug that produces 50% of
its maximum effect.
◉ LD50. Answer: The dose of a substance that is lethal to 50% of a
test population.
◉ Potency. Answer: A measure of the drug's ability to produce a
desired effect at a given dose.
,◉ Efficacy. Answer: The maximum effect that can be achieved with a
drug, regardless of dose.
◉ Cumulative Dose Response. Answer: The total effect observed
after multiple doses of a drug are administered over time.
◉ First-Order Kinetics. Answer: A pharmacokinetic process where
the rate of elimination of a drug is proportional to its concentration.
◉ Zero-Order Kinetics. Answer: A pharmacokinetic process where
the rate of elimination of a drug is constant regardless of its
concentration.
◉ Bioavailability. Answer: The fraction of an administered dose of a
drug that reaches the systemic circulation in an unchanged form.
◉ Steady State. Answer: The condition in which the overall intake of
a drug is in dynamic equilibrium with its elimination.
◉ Clearance. Answer: The volume of plasma from which a substance
is completely removed per unit time.
, ◉ Volume of Distribution. Answer: A theoretical volume that relates
the amount of drug in the body to the concentration of drug in the
blood or plasma.
◉ Trough Level. Answer: The lowest concentration of a drug in the
bloodstream, measured just before the next dose is administered.
◉ Drug effects on pregnant women. Answer: Drugs can affect fetal
development, leading to potential complications such as birth
defects, developmental delays, or withdrawal symptoms in
newborns.
◉ Limbic system and frontal lobe. Answer: The limbic system is
involved in emotion, memory, and behavior, while the frontal lobe is
responsible for higher cognitive functions such as decision-making,
problem-solving, and impulse control.
◉ Absolute threshold. Answer: The minimum intensity of a stimulus
that can be detected 50% of the time by an individual.
◉ Positive punishment. Answer: A behavioral modification
technique that involves adding an unpleasant stimulus to decrease a
behavior, such as scolding a child for misbehavior.