STUDY OF PTCB Flashcards
what o the middle four numbers represent in an NDC number?
drug product
a patient takes pseudoephedrine (Sudafed) for nasal congestion; however, the patient has high blood pressure. This would be considered a drug_____ interaction
disease
a patient overdoses on an opiate, and naloxone (Narcan) is given as an antidote to combat the effects of the opiate. Naloxone would then be considered a (n)
antagonist
Augmentin is a combination of amoxicillin and clavulanic acid. Clavulanic acid prevents the degradation of amoxicillin by B-lactamases. Clavulanic acid thus serves to ——– the effects of amoxicillin
potentiate
when two drugs are combined and said to be “synergistic” these drugs together would be ____ effective
more
In which pregnancy category have animal or human studies have shown fetal abnormalities or toxicity the risk outweighs the benefits
X
which of the following is the best definition for a brand name?
Assigned by the drug manufacturer and is protected through a patient
which of the following is the best definition for a generic name?
ASsigned to medication and contains a word stem that has been issued by the U.S Adopted Names Council
suffixes are often useful in determining the drug class of a medication which of the following suffixes is correctly matched to its drug class?
Prazole: Proton pump inhibitor for acidic conditions
Ranitidine (Zantac) and loratadine (Claritin) have very similar suffixes, yet are very different in their pharmacologic function. What is the difference?
both are antihistamines but one affects acid and the other allergies.
All of the following are ways a patient might distinguish the classes of the medications nystatin (mycostatin) and atorvastatin (liptor) except which of the following?
both have the ending _statin
which of the following drug interactions is correctly matched to its definition?
Addition: The combined effect of two drugs; It is equal to the sum of the effects of each drug taken alone
prefixes are often useful in determining the drug class of medication. which of the following prefixes is correctly matched to its drug class?
sulfa- sulfonamides antibiotic
penicillins
prevent bacteria from forming a cell wall
macrolides
inhibit protein synthesis by interacting with ribosomes
sulfonamides have the ability to block folic acid synthesis in bacteria, but humans also need folic acid for proper functioning. Why does a sulfonamide the bacteria and not a human?
bacteria must manufacture their own folic acid; humans can ingest it
in looking at erythromycin and azithromycin, two macrolides, what improvement does azithromycin have in terms of patient compliance?
it has one-daily dosing
A physician orders a quinolone antibiotic. the generic name of the medication would most likely end in
Floxacin
A patient is being changed from a quinolone antibiotic to a macrolide antibiotic. what will the suffix of the new medication likely be?
Mycin
a patient is cautioned that the medication she was prescribed might cause nephrotoxicity ototoxicity, tinnitus, and even permanent deafness. what class of antibiotic was this patient likely prescribed?
aminoglycoside
A patient takes an antibiotic medication and exhibits a cross-sensitivity to his previous penicillin allergy. What non penicillin class of antibiotics was the patient likely given?
Cephalosporin
a patient is diagnosed with a fungal infection. which medication could not be prescribed for this indication?
levofloxacin
A patient is diagnosed with a viral infection. which medication could not be prescribed for this indication?
Tetracycline
which of the following is not a medication used in the treatment of the HIV retrovirus?
Acylovir
which of the following is not a class of HIV medication therapy?
Antiprotozoals
HIV medications interfere with processes critical to the HIV virus. which of the following drug classes would likely interfere with an enzyme?
both b and c (non-nucleoside reverse transcriptase inhibitors NNRTIs- protease inhibitors)
Often patients confuse the need for a decongestant with an antihistamine for their cold symptoms. which o the following represents a decongestant?
Pseudoephedrine
A patient comes into the pharmacy complaining of congestion and sneezing. Which of the following combination products would be appropriate for these symptoms?
Certirizine and pesudoephedrine
a patient has anxiety. Which medication would likely be prescribed for this condition?
Alprazolam
which of the following medications is not an SSRI antidepressant?
Alprazolam
Of the following laws and amendments regarding drugs in the United States, which was most recently passed?
Kefauver-Harris Amendment
Which of the following describes adulteration?
“Prepared, packed, or held under unsanitary condition”
what is the meaning of misbranding
labeling that is false or misleading in any particular way
failure to label adequate direction for use
failure to carry a label indicating “warning may be habit-forming” if the product is a habit forming
