MODULE 3 (DISPENSING) Flashcards
(261 cards)
Drugs bound to plasma proteins are considered:a. pharmacologically activeb. pharmacologically inactivec. free drugsd. bioavailable drugs
pharmacologically inactive
Alkaline salts like potassium penicillin when placed in an acidic solution can result in:a. conversion into free acidb. precipitation of penicillinc. insolubilityd. all of the above
all of the above
In metabolizing a standard dose of INH, Filipinos are considered:a. fast acetylatorsb. slow acetylatorsc. neither slow or fastd. same as the Caucasians
fast acetylators
The following are true regarding incompatibilities except:a. problems arising during compounding, dispensing and dispensing and drug administrationb. easier to correct than to preventc. may be intentional or unintentionald. must be recognized by pharmacists
easier to correct than to prevent
The following are guidelines for reducing drug interactions, except:a. employ combination therapyb. identify patient risk factorsc. educate the patientd. know properties of drugs
employ combination therapy
Enzyme inhibition of coumarins can lead to:a. hypoglycemiab. profuse bleedingc. blood clottingd. convulsion
profuse bleeding
Anaphylaxis is a:a. Type A ADRb. Type B ADRc. Type E ADRd. Type F ADR
Type B ADR
Oxidizing agents are incompatible with reducing agents. This is a:a. physical incompatabilityb. chemical incompatibilityc. therapeutic incompatibilityd. both A &B
chemical incompatibility
Any drug reaction which does not necessarily have a causal relationship with the treatment is called an:a. adverse drug reactionb. therapeutic incompatibilityc. adverse drug eventd. none of the above
adverse drug reaction
Teratogenicity is a/an:a. Type A ADRb. Type B ADRc. Type C ADRd. Type D ADR
Type D ADR
The following are true about biotransformation except:a. occurs after drug distributionb. converts polar to nonpolar drugsc. converts lipophilic to hydrophilic drugsd. can influence drug elimination rate
converts polar to nonpolar drugs
The following are manifestations of chemical incompatibilities except:a. immiscibilityb. photolysisc. gel formationd. evolution of gas
immiscibility
The precipitation of an organic substance from a saturated solution when highly soluble salts are added is known as:a. polymorphismb. salting-outc. racemizationd. eutexia
salting-out
Acacia in the presence of Bismuth salts can form a “cake” at the bottom of the container. This manifestation is known as:a. gelatinizationb. hydrolysisc. emulsificationd. cementation
cementation
Sudden withdrawal of steroids can result in:a. anemiab. hypertensionc. Parkinson’s diseased. addison’s disease
addison’s disease
A mathematical model for a potentiating drug effect:a. 1 + 1 = 2b. 1 + 1 = 3c. 0 + 1 = 2d. 1 + 1 = 0
0 + 1 = 2Note: Potentiation: when one drug does not elicit a response on its own but enhances the response to another drug.
A remedy for tablet granulations containing vitamin C:a. prepare by dry granulationb. use precoated ascorbic acid granulesc. both A & Bd. none of the above
both A & B
Chloramphenicol palmitate exists in 3 different polymorphs, each differ in the ff. properties, except:a. solubilityb. free energyc. melting pointd. none of the above
none of the above
The following are the physiologic effects of food on drug reaction, except:a. reducing gastric emptying rateb. milk reduces absorption of tetracyclinec. tea increases absortion of paracetamold. vegetables potentiate anticoagulants
vegetables potentiate anticoagulantsNote: Vitamin K (w/c is high in leafy vegetables) helps to make various proteins that are needed for blood clotting
Important characteristics of idiosyncratic drug reaction, except:a. congenital hypersensitivitiesb. genetic or hereditary in originc. metabolic abnormalityd. none of the above
none of the above
Monoamine oxidase inhibitors (MAO inhibitors) and foods rich in tyramine like cheese will lead to:a. accumulation of pressor aminesb. increase in blood pressurec. non-metabolism of tyramined. all of the above
all of the above
The following condition/s will amplify the activity of cardiac glycosides:a. hypercalcemiab. hypokalemiac. both a & bd. none of the above
both a & b
Drug-drug interactions that occur when one drug alters the absorption, distribution, metabolism, and excretion ofthe other drug.a. pharmacokinetic interactions b. pharmacologic interactionsc. pharmacodynamic interactiond. all of the above
pharmacokinetic interactionsNote: Pharmacokinetics is the study of how the body interacts with administered substances for the entire duration of exposure
Displacement of a plasma-protein bound drug such as in Warfarin-phenylbutazone interaction, results in:a. hemorrhage b. increase concentration of warfarinc. decreased activity of warfarind. both A & B
both A & B