ACTUAL TEST ACCURATE QUESTIONS AND CORRECT
VERIFIED ANSWERS (A NEW UPDATED VERSION)
|GUARANTEED PASS A+ (BRAND NEW!) APPROVED
EXAM FOR NR 606 MIDTERM EXAM
Drugs that cross the blood-brain barrier are
Bound to albumin
Lipid soluble
Water soluble - ANSWER -Lipid soluble
Passage of a drug from the site of administration into the circulation is
Absorption
Bioavailability
Distribution - ANSWER -Absorption
The half life of a drug is two hours. At four hours, the expected concentration of
the drug is
0%
25%
50% - ANSWER -25%
Drugs are available to exert their effect on the cell when they are
Bound to albumin
Dissolved in lipids
Unbound to albumin (free) - ANSWER -Unbound to albumin (free)
Maximum efficacy refers to the:
Minimal level needed to have an effect on most people
Maximum effect a drug can produce
Toxic level of a drug - ANSWER -Maximum effect a drug can produce
Elimination of drugs happens primarily via the
GI tract
Kidney
Liver - ANSWER -Kidney
, Oral distribution of drugs may vary in the neonate because of
Decreased GI transit time
Decreased GI surface area in relation to body weight
Increased GI blood flow - ANSWER -Decreased GI transit time
Measuring a trough level of a drug may determine a change in the
Dose
Interval
Route - ANSWER -Interval
Drugs that activate receptors and mimic the actions of the body's own regulatory
molecules are called:
Agonists
Antagonists
Regulators - ANSWER -Agonists
The therapeutic index refers to the:
Amount of drug that it takes to have an effect on the patient
Level at which a drug will be toxic to most patients
Ratio of the drug's lethal dose to it's effective dose - ANSWER -Ratio of the drug's
lethal dose to it's effective dose
True or false: Clinical trials will determine any adverse effects of a drug before the
drug is marketed to health care providers. - ANSWER -False
True or false: The more potent a drug is, the greater its maximum efficacy -
ANSWER -False
True or false: Infants have the highest overall percentage of body water. -
ANSWER -True
True or false: The two main intracellular fluid (ICF) compartments are the
interstitial fluid contained in the nucleus and the intravascular fluid contained in
the cell body. - ANSWER -False
What is the mechanism by which the energy produced from carbohydrates,
proteins and lipids is transferred to adenosine triphosphate (ATP)?
Anaerobic glycolysis
Oxidative cellular metabolism
Oxidative phosphorylation