Past q 2 (midterm 1) Flashcards
(81 cards)
According to the theory that agonists and antagonists occupy the same receptor site, an effective antagonist should exhibit
A.High intrinsicactivity and low affinity
B.No intrinsic activity and high affinity
C.Low intrinsic activityand low affinity
D.High intrinsic activity and high affinity
B.No intrinsic activity and high affinity
A drug that interacts directly with the agonist and not at all, or only incidentally with the receptor A.Chemical antagonist B.Pharmacological antagonist C.Partial agonist D.Physiologic antagonist
A.Chemical antagonist
\_\_\_the largest effect a drug can produce, regardless of dose A.Quantal dose response curve B.Graded dose response curve C.Maximum efficacy D.Therapeutic index
C.Maximum efficacy
What is approximate percentage of a weak base (pKa = 8.4) in the non-ionised form in the plasma having a pH of 7.4? A.90% B.50% C.100% D.10%
D.10%
When supplying this drug, one copy of which of the following has to be kept by the registered feed compounder?
A.Prescription
B.Special prescription
C.Prescription for medicated feedstuff (PMF)
D.Legislation on requisition
C.Prescription for medicated feedstuff (PMF)
Which of the following can occur at therapeutic dosage levels in healthy patients? A.Allergic reactions B.Teratogenic effects(Thalidomide) C.Idiosyncratic reactions D.All of the above can occur
D.All of the above can occur
Examine the graph: what is the potency relationship between drug A and B? A.Conclusion cannot be drawn B.B is more potent C.They are of equal potency D.A is more potent(first on the graph)
D.A is more potent(first on the graph)
A drug licensed for humans and included in Table 1, and MRL has to be established administered to dairy cattle should have a withdrawal period for milk A.At most 7 days withdrawal period B.At most 28 days withdrawal period C.At least 28 days withdrawal period D.At least 7 days withdrawal period
D.At least 7 days withdrawal period
According to this type of medicinal substance use both sick and healthy animals are treated with a mass (population)administration: A.Metaphylaxis B.Mass treatment C.Always D.Prophylaxis
A.Metaphylaxis
What is the proportion of ionised and non-ionised molecules of a weak acidic drug (pKa= 4.4) in blood (pH = 7.4)! A.1:1 B.100:1 C.10:1 D.1000:1
D.1000:1
How long do the withdrawal period usually last at minimum for meat, following application of a human licensed medicine? A.7 days B.500 degree days C.28 days D.0 days
C.28 days
How long dothe withdrawal period usually last for fish at minimum, following application of a human licensed medicine? A.28 days B.500 degree days C.0 days D.7 days
B.500 degree days
The phenomenon in which two drugs produce opposite effects on a physiologic system but do not act at the same receptor site is: A.Chemical antagonism B.Physiologic antagonism C.Competitiveantagonism D.Non-competitiveantagonism
B.Physiologic antagonism
Two drugs A and B, have the same mechanism of action. Drug A in a dose of 5 mg produces the same magnitude of effect as drug B in a dose of 500 mg
A.Drug B is less efficacious than drug A
B.The toxicity of drug A is lower than that of drug B
C.Drug A is 100 times more potent than drug B
D.Drug A has a shorter duration of action
C.Drug A is 100 times more potent than drug B
Which substance is a schedule2 substance? A.Cannabis B.Fentanyl C.Diazepam D.Phenobarbital
B.Fentanyl
Qualitative and quantitative determination of the medicinal substances is not introduced in A.British Veterinary Formulary B.Hungarian Pharmacopeia C.European Pharmacopeia D.British Pharmacopeia
A.British Veterinary Formulary
The LD50 of a drug is
A.50% of the lethal dose in man
B.50% of the lethal dose in an experimental animal
C.The dose (mg/kg) that kills 50% of the treated animals
D.Half the dose that kills all of the treated animals
C.The dose (mg/kg) that kills 50% of the treated animals
Among the environmentalfactors that may harm the medicines,this stimulates theoxidation or reduction processes: A.Fungi B.Humidity C.Light (UV) D.Heat
C.Light (UV)
This category may play an important role in prevention of animal disease, but they are not real drugs: A.Prepared drugs B.Immunologicals C.Official drugs D.Biocides
D.Biocides
How long do the withdrawal period usually last for eggs, following application of an official or prepared medicine A.500 degree days B.0 days C.28 days D.7 days
D.7 days
Which temperature interval is valid if the drug has to be stored at a cool place? A.15 –25°C B.2 –8°C C.8 –15°C D.10 –14°C
C.8 –15°C
What is written in the inscription in case of prepared preparations?
A.The name and amount of the ingredients
B.The name,dosage form and the strength of preparation
C.The dosage form and the container
D.The number of original packages
A.The name and amount of the ingredients
What "Medicines order 2001 UK" categorycan be supplied by pharmacistswithoutany prescription? A.P and PML B.GSL, P, PML C.GSL and P D.Every "medicines order 2001" category
B.GSL, P, PML
Quantal dose response curves are
A.Invalid in the presence of inhibitors of the drug studied
B.Used for determining the maximal efficacy of a drug
C.Obtainable from the study of intact subjects butnot from isolated tissues
D.Used in determining the therapeutic index of a drug
D.Used in determining the therapeutic index of a drug