exam 1, chapter 4
__________ is the study of the biochemical and physiological effects of drugs and their mechanisms of action.
Pharmacodynamics
Which of the following is not a way in which drugs are excreted from the body?
all are correct
_____ is a term that refers to the diminished effect of a drug when another drug is present.
antagonism
Which of the following is an example of an inhalant?
benzene
Which of the following is a common site for intramuscular drug injection?
butt deltoid thigh
Which of the following drugs is commonly snorted?
cocaine, heroin, tobacco
In research, _________ means to be able to account for variables that may affect the results of a study.
control
Drinking large quantities of water would be an example of an attempt to alter the results of a drug test by _________.
dilution
A drug is ___________ when it changes from solid to liquid after being mixed with a liquid.
dissolved
The effect of a drug depends most fundamentally on __________.
dosage
Which of the following is most rapidly absorbed?
drugs taken in a water solution
T or F: Marijuana has a half-life of up to several weeks.
false
T or F: The safest of the three methods of injecting drugs is the intravenous method.
false
T or F: The transdermal route of drug administration is an effective one for most drugs.
false
When, in a series of events, what happens in a later event alters those preceding it, it is known as a _____________ relationship.
feedback
Discussions related to drug elimination often refer to a unit of measurement known as ________.
half-life
A common street term for injecting a drug intravenously is __________.
mainlining
Which of the following systems does not receive major portions of a drug rapidly due to a high volume of drug flow?
muscles
Which route of drug administration is considered the best overall?
none
Which of the following is a method used to administer barbiturates?
oral rectal subcutaneous intramuscular
A drug that is administered transdermally _______________.
passes through the skin
Which of the following drug states is not suitable for administration via inhalation?
powder
__________ reflects the amount of latitude there is in a drug dose before a stronger effect is reached.
slope
Which of the following best reflects subcutaneous injection and absorption rate?
slow and constant
When drugs are swallowed, they pass through the stomach and are absorbed in the __________.
small intestine
The fact that oil and water are not easily mixed is an example of which concept?
solubility
Which of the following is the easiest drug injection route to use?
subcutaneous
T or F:
true
T or F: Alcohol is considered a zero-order kinetic drug.
true
T or F: Intravenous drug use is an important risk factor for AIDS.
true
T or F: The amount of time that marijuana can be detected in the body depends upon whether use is acute or chronic.
true
T or F: Therapeutic index is a term referring to a drug's utility in medical care and is computed as a ratio (LD 50/ED 50).
true
T or F: Urine is a common source of biomarkers analyzed in drug testing.
true
Which of the following conditions lead to more rapid drug absorption?
when there is no more blood flow at the site of absorption
