Nursing Pharmacology Study Guide Questions
and Correct Answers
1). Absorption
Ans: the process by which drug molecules move from their site of administration to the
blood
2). Affinity
Ans: the ability of some tissues to attract, accumulate and store drugs in high
concentrations relative to other tissues
3). Blood-brain barrier
Ans: Blood vessels (capillaries) that selectively let certain substances enter the brain
tissue and keep other substances out
4). Diffusion
Ans: process by which molecules tend to move from an area where they are more
concentrated to an area where they are less concentrated
5). Distribution
Ans: the transport of drugs throughout the body after they are absorbed
6). Drug-protein complexes
Ans: formed when a drugh that binds reversibly to a plasma protein, particularly
albumin, that makes the drug unavailable for distribution to its site of action
7). Enterohepatic recirculation
Ans: recycling of drugs and other substances by the circulation of bile through the
intestine and liver
PaperStoc.com Page 1 of 12
, 8). Enzyme induction
Ans: process by whick a drug increases the activity of the hepatic microsomal
enzymes
9). Excretion
Ans: the process of removing substances from the body
10). First-pass effect
Ans: mechanism whereby drugs are absorbed enter into the hepatic portal circulation
and are inactivated by the liver before they reach the general circulation
11). Fetal-placental barrier
Ans: special anatomic barrier that inhibits many chemicals and drugs from entering the
fetus
12). Hepatic microsomal enzyme system
Ans: as it relates to phamacotherapy, liver enzymes that metabolize drugs as well as
nutrients and other endogenous substances, sometimes called the P-450 System
13). Isozymes
Ans: multiple similar forms of an enzyme that perform slightly different metabolic
functions
14). Loading dose
Ans: relatively large dose of a drug given at the beginning of treatment to rapidly obtain
a therapeutic response
15). Maintenance doses
Ans: amount of drug that keeps the plasma drug concentration in the therapeutic range
16). Metabolism
PaperStoc.com Page 2 of 12
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Academik001. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
