Question 1
Question
the main routes of enteral administration of drugs are
Answer
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oral
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by injection
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rectal
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per mucosa
Question 2
Question
Advantages of the oral route of drug administration are
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easily self-administered
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toxicity and overdose may be overcome with antidotes
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drugs avoid first-pass metabolism
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drugs go directly into the systemic circulation
Question 3
Question
Advantages of the rectal route of drug administration are
Answer
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suitable for vomiting patients
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suitable for children
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suitable for unconscious patients
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a way to avoid first-pass metabolism
Question 4
Question
Disadvantages of iv drug administration are
Answer
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a trained staff is required
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risk of bacterial contamination at the site of injection
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it is painful and stressful for the patient
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drugs undergo first-pass metabolism in the liver
Question 5
Question
Point out the correct statements for iv drug administration
Answer
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aqueous solutions can be administered iv
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oil solutions can be administered iv
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has the highest bioavailability
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used for treatment of life-threatening conditions
Question 6
Question
The subject of pharmacokinetics is
Question 7
Question
Point out the correct statements for passive diffusion
Question 8
Question
The diffusion of lipid soluble drugs
Answer
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depends on the charge of the drug molecule
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does not depend on the charge of the drug molecule
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is penetration through aqueous channels or pores
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is penetration through the biological membranes
Question 9
Question
A drug-weak acid will be absorbed
Answer
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in a medium with low pH
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in a medium with high pH
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in the stomach
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in the intestine
Question 10
Question
A drug-weak base will be absorbed
Answer
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in a medium with low pH
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in a medium with high pH
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in the stomach
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in the intestine
Question 11
Question
Point out the correct statements for active drug transport
Question 12
Question
Point out the correct statement for drugs bound to plasma proteins
Answer
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bound drugs are pharmacologically active
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only the unbound drugs can act on target sites in the tissues
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only the bound drugs are available to the process of elimination
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drugs may displace each other from the binding proteins
Question 13
Question
Drug metabolism may
Answer
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increase a drug's pharmacological activity
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decrease a drug's pharmacological activity
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change the pharmacological effects of a drug
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change the toxicity of a drug
Question 14
Question
first phase liver metabolism reactions include
Answer
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acetylation
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conjugation
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reduction
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oxidation
Question 15
Question
Second phase liver metabolism reactions include
Answer
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acetylation
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conjugation
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reduction
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oxidation
Question 16
Question
Phase I of drug metabolism
Answer
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may or may not involve cytochrome P450 system
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phase I reactions convert lipophilic molecules to more polar molcecules
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includes alcohol dehydrogenation, amine oxidation, hydrolysis
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consists of conjugation reactions
Question 17
Question
Renal excretion of a drug will be reduced if
Answer
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the drug is a weak acid and the urine is alkaline
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the drug is a weak acid and the urine is acidic
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the drug is a weak base and the urine is alkaline
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the drug is a barbiturate and the urine is alkaline
Question 18
Question
Drug pharmacodynamics includes
Question 19
Question
The changes that occur due to the interaction between drug molecules and organism structures are called
Answer
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drug effect
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drug action
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adverse drug reaction
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placebo effect
Question 20
Question
The organism response as a result of the changes that have occured due to its interaction with the drug is called
Answer
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drug action
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drug effect
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adverse drug reaction
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placebo effect
Question 21
Question
What is characteristic for a drug receptor
Question 22
Question
Agonists are ligands which
Answer
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have affinity
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block receptors
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have intrinsic activity
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bind to the receptor
Question 23
Question
Antagonists are ligands which
Question 24
Question
Therapeutic margin is the
Answer
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difference between maximal toxic and minimal therapeutic doses
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ratio between minimal toxic and minimal therapeutic doses
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difference between mean lethal and mean effective doses
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ratio between lethal and mean effective doses
Question 25
Question
Drugs' therapeutic index is the
Answer
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difference between minimal toxic and minimal therapeutic doses
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ratio between minimal toxic and minimal therapeutic doses
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difference between mean lethal and mean effective doses
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ratio between mean lethal and mean effective doses
Question 26
Question
Types of drug interaction are
Question 27
Question
Potentiation can be observed during the concomitant use of
Question 28
Question
Full competitive antagonist of opioid receptors, administered in acute opioid intoxication is
Answer
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Allylnormorphine
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Methadone
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Naloxone
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Flumazenil
Question 29
Question
Chemical antagonism or complex formation can be observed in
Question 30
Question
Which of the following are enzyme inducers
Answer
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Phenytoin
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Phenobarbital
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Metamizol
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Metronidazole
Question 31
Question
Multiple drug administration could lead to
Answer
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drug tolerance
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drug dependence
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drug accumulation
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allergic reactions
Question 32
Question
Drug addicition/ dependence involves
Answer
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drug tolerance
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physical dependence
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psychological dependence
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allergy
Question 33
Question
Antiseptics are used for
Question 34
Question
Disinfectants are used for decontamination of
Answer
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urine, faeces and other
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mouth
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instruments
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clothing and underwear
Question 35
Question
Antiseptics and disinfectants are