NAGELHOUT ACTUAL EXAM PAPER 2026
QUESTIONS SOLUTIONS GRADED A+
◉ Pharmacokinetics. Answer: the study of the absorption,
distribution, metabolism and excretion of drugs
◉ Pharmaceutics. Answer: the formulation and preparation of drugs
◉ pharmacoeconomics. Answer: the study of the economic impact of
drugs
◉ toxicology. Answer: the study of the harmful effects of chemicals
◉ pharmacognosy. Answer: the study of the medicinal uses of
naturally occurring compounds
◉ pharmacy. Answer: the preparation and dispensing of drugs
◉ pharmacogenetics. Answer: genetic influences by and on drugs
◉ pharmacodynamics. Answer: physiological and biochemical
mechanism of action of drugs
,(e.g. receptor theory)
◉ pharmacogenomics. Answer: identifies discrete genetic
differences among individuals that play a critical role in drug
response
◉ pharmacoepidemiology. Answer: is the study of the use and
effects of drugs on large groups of people
◉ ED50. Answer: Effective dose in 50% of the population
◉ TD50. Answer: Toxic Dose in 50% of the population
◉ LD50. Answer: Lethal Dose in 50% of the population
◉ Therapeutic index. Answer: LD50/ED50
◉ Therapeutic window. Answer: TD50/ED50
◉ Two types of ligands. Answer: Agonist or Antagonist
◉ Reversible binding of ligands is called. Answer: competitive
, ◉ non-reversible binding of ligands is called. Answer:
noncompetitive
◉ 5 types of chemical bonds in order of increasing strength. Answer:
van der waals, hydrophobic, hydrogen, ionic, covalent
◉ 5 types of chemical bonds in order of decreasing strength.
Answer: covalent, ionic, hydrogen, hydrophobic, van der waals
◉ Occupation of receptors by ligands is governed by:. Answer:
affinity
◉ Activation of receptors by ligands is governed by:. Answer:
efficacy
◉ A dose response curve can show:. Answer: Affinity (potency),
Efficacy, Variability, Slope
◉ Up regulation. Answer: an increase in receptor proteins as a
response to chronic blockade
QUESTIONS SOLUTIONS GRADED A+
◉ Pharmacokinetics. Answer: the study of the absorption,
distribution, metabolism and excretion of drugs
◉ Pharmaceutics. Answer: the formulation and preparation of drugs
◉ pharmacoeconomics. Answer: the study of the economic impact of
drugs
◉ toxicology. Answer: the study of the harmful effects of chemicals
◉ pharmacognosy. Answer: the study of the medicinal uses of
naturally occurring compounds
◉ pharmacy. Answer: the preparation and dispensing of drugs
◉ pharmacogenetics. Answer: genetic influences by and on drugs
◉ pharmacodynamics. Answer: physiological and biochemical
mechanism of action of drugs
,(e.g. receptor theory)
◉ pharmacogenomics. Answer: identifies discrete genetic
differences among individuals that play a critical role in drug
response
◉ pharmacoepidemiology. Answer: is the study of the use and
effects of drugs on large groups of people
◉ ED50. Answer: Effective dose in 50% of the population
◉ TD50. Answer: Toxic Dose in 50% of the population
◉ LD50. Answer: Lethal Dose in 50% of the population
◉ Therapeutic index. Answer: LD50/ED50
◉ Therapeutic window. Answer: TD50/ED50
◉ Two types of ligands. Answer: Agonist or Antagonist
◉ Reversible binding of ligands is called. Answer: competitive
, ◉ non-reversible binding of ligands is called. Answer:
noncompetitive
◉ 5 types of chemical bonds in order of increasing strength. Answer:
van der waals, hydrophobic, hydrogen, ionic, covalent
◉ 5 types of chemical bonds in order of decreasing strength.
Answer: covalent, ionic, hydrogen, hydrophobic, van der waals
◉ Occupation of receptors by ligands is governed by:. Answer:
affinity
◉ Activation of receptors by ligands is governed by:. Answer:
efficacy
◉ A dose response curve can show:. Answer: Affinity (potency),
Efficacy, Variability, Slope
◉ Up regulation. Answer: an increase in receptor proteins as a
response to chronic blockade
