Pharmacodynamics Questions with correct answers
The plasma concentration at which a drug no longer produces serious
adverse effects is known as the toxic level. Correct Answer-False
The therapeutic index is a measure of the relative effectiveness of a
drug. Correct Answer-False
Drugs have a specific affinity for their specific receptors on a cell
surface or within a cell. Correct Answer-True
Half-life is the time required for the current serum concentration to
double. Correct Answer-False
The half-life of elimination generally remains stable for most drugs.
Correct Answer-True
Some drugs are completely safe. Correct Answer-False
Efficacy is the degree to which a drug is able to produce the desired
effect. Correct Answer-True
The latent period is the point at which a drug effect is no longer seen.
Correct Answer-False
,Side, adverse, and toxic effects of drugs always are manifested
immediately. Correct Answer-False
Radiopaque contrast media elicit their desired effects through the
radiopaque iodine contained in their structure. Correct Answer-True
Generally thought to be catalysts responsible for changes in biochemical
reactions, ___________ occur throughout the body systems. Correct
Answer-Enzymes
A ____________ is a predictable pharmacologic action on body systems
other than the action intended Correct Answer-Side effect
When two drugs are combined and cause a pharmacologic response that
is greater than it would have been if the drugs had been given
individually, this is known as _____________. Correct Answer-
Synergism
The method by which a drug elicits effects is known as the
____________. Correct Answer-Mechanism of action
The organ in which the _____________ occurs is generally called the
target organ Correct Answer-Desired effects
A ______________ occurs when a drug resembles the substrate to
which an enzyme usually attaches. Correct Answer-Drug-enzyme
interaction
, After drug administration the amount that reaches and remains in the
systemic circulation depends on ___________, ____________,
_____________, and _____________. Correct Answer-Rate of
absorption, distribution, metabolism, and elimination
Any unwanted effect from a drug is termed _____________. Correct
Answer-Adverse effect
Both toxic and allergic effects are known as _____________. Correct
Answer-Adverse effect
A ______________ occurs when two or more dugs act in unison to
produce additive agonist, synergistic, or antagonist responses to each
other. Correct Answer-Drug-drug interaction
What term is defined as the study of the manner in which drug effects
are manifested?
a) Pharmacokinetics
b) Pharmacodynamics
c) Affinity
d) Toxicity Correct Answer-b) Pharmacodynamics
Drugs produce effects through mechanisms of action termed drug-
receptor stimulation or blockade, nonspecific drug interactions, or which
of the following?
The plasma concentration at which a drug no longer produces serious
adverse effects is known as the toxic level. Correct Answer-False
The therapeutic index is a measure of the relative effectiveness of a
drug. Correct Answer-False
Drugs have a specific affinity for their specific receptors on a cell
surface or within a cell. Correct Answer-True
Half-life is the time required for the current serum concentration to
double. Correct Answer-False
The half-life of elimination generally remains stable for most drugs.
Correct Answer-True
Some drugs are completely safe. Correct Answer-False
Efficacy is the degree to which a drug is able to produce the desired
effect. Correct Answer-True
The latent period is the point at which a drug effect is no longer seen.
Correct Answer-False
,Side, adverse, and toxic effects of drugs always are manifested
immediately. Correct Answer-False
Radiopaque contrast media elicit their desired effects through the
radiopaque iodine contained in their structure. Correct Answer-True
Generally thought to be catalysts responsible for changes in biochemical
reactions, ___________ occur throughout the body systems. Correct
Answer-Enzymes
A ____________ is a predictable pharmacologic action on body systems
other than the action intended Correct Answer-Side effect
When two drugs are combined and cause a pharmacologic response that
is greater than it would have been if the drugs had been given
individually, this is known as _____________. Correct Answer-
Synergism
The method by which a drug elicits effects is known as the
____________. Correct Answer-Mechanism of action
The organ in which the _____________ occurs is generally called the
target organ Correct Answer-Desired effects
A ______________ occurs when a drug resembles the substrate to
which an enzyme usually attaches. Correct Answer-Drug-enzyme
interaction
, After drug administration the amount that reaches and remains in the
systemic circulation depends on ___________, ____________,
_____________, and _____________. Correct Answer-Rate of
absorption, distribution, metabolism, and elimination
Any unwanted effect from a drug is termed _____________. Correct
Answer-Adverse effect
Both toxic and allergic effects are known as _____________. Correct
Answer-Adverse effect
A ______________ occurs when two or more dugs act in unison to
produce additive agonist, synergistic, or antagonist responses to each
other. Correct Answer-Drug-drug interaction
What term is defined as the study of the manner in which drug effects
are manifested?
a) Pharmacokinetics
b) Pharmacodynamics
c) Affinity
d) Toxicity Correct Answer-b) Pharmacodynamics
Drugs produce effects through mechanisms of action termed drug-
receptor stimulation or blockade, nonspecific drug interactions, or which
of the following?
