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WorksheetsGeneral & Ocular Pharmacology Quiz
Total questions: 88
Worksheet time: 1hrs 6mins
First inactive drug has no effect but when given together with 2nd active drug, the first drug enhances the effect of the 2nd active drug.
potentiation
additi
synergism
antagonism
Enhancement of drug effect when vasopressor agent-adrenaline is incorporated with local anesthetic agent lidocaine:
potentiation
additive
synergism
antagonism
Chemical agent which prevent the agonist to interacts at its receptor site thus inhibiting the effect of the agonist:
potentiation
additive
synergism
antagonism
Primary function of liver for biotransformation:
transformation of the drug to polar form enhancing renal excretion
transforming the drug to bound form to prolong their effects
enhancing binding of free form of the drug to receptor
transforming the drug from bound to free form to enhance renal excretion
"The greater the concentration of the drug in the plasma, the greater is the rate of renal excretion"
zero order kinetics of drug elimination
first order kinetics of drug elimination
zero order kinetics of absorption
first order kinetics of absorption
"The rate of drug elimination is constant regardless of drug concentration in the plasma"
zero order kinetics of drug elimination
first order kinetics of drug elimination
zero order kinetics of absorption
first order kinetics of absorption
Enhancement of drug effect when NSAID-ibuprofen is combined with paracetamol:
potentiation
additive
synergism
antagonism
Enhancement of drug effect if NSAID- Ibuprofen is combined with NSAID-mefenamic acid:
potentiation
additive
synergism
antagonism
Direct routes of drug administration e.g IV. IA, IC follows:
zero order kinetics of drug elimination
first order kinetics of drug elimination
zero order kinetics of absorption
first order kinetics of absorption
Most commonly abused OTC:
cocaine
paracetamol
methamphetamine
morphine
Refers to the disappearance of active drug molecules from the general circulation by metabolism leading to termination of desired pharmacologic effect:
biotransformation
excretion
elimination
bioavailability
Part of prescription order which gives direction pharmacist:
inscription
subscription
superscription
transcription
Part of prescription order which gives full instructions to the patient on how to take the medications:
inscriptionk
subscription
superscription
transcription
The followings are the information given in inscription except:
amount of drug to be taken
generic name
dosage form of the drug
available preparation of drug
Which of the following is a controlled drug which requires prescription order and S2#?
cocaine
mefloenamic acid
clarithromycin
oxytetrahydrozoline
Margin of safety means:
concentration of drug in the body over the concentration of drug in plasma
measures the safety and usefulness of the drugs
plasma is cleared of the drug within the specified unit of time
50% of the drug is removed from the above after discontinue taking the medication
Type of antagonism without interacting to the receptor sites:
competitive antagonism
non-competitive antagonism
physiologic antagonism
chemical antagonism
The followings are the mechanism of drug renal excretion except:
glomerular filtration
tubular reabsorption
tubular secretion
none of the above
Exocrine gland that excrete the largest concentration of the medication:
lactating mammary glands
salivary glands
lacrimal glands
sweat glands
The following organs are both organs for metabolism & excretion of the drug except:
lungs
digestive organs
liver
kidneys
What is the meaning of "first order of drug elimination"?
fraction of the drug reaches the general circulation
100% of the drug reaches the general circulation
rate of elimination is proportionate to the concentration of the drug in the plasma
implies elimination at constant rate regardless of concentration of drug in the plasma
Which of the following is the most important parameter of pharmacokinetic?
volume of distribution
therapeutic index
total body clearance
half life
The followings are the parameters of pharmacokinetic except:
volume of distribution
therapeutic window
total body clearance
half life
What is "zero order of drug elimination"?
fraction of the drug reaches the general circulation
100% of the drug reaches the general circulation
rate of elimination is proportionate to the concentration of the drug in the plasma
implies elimination at constant rate regardless of concentration of drug in the plasma
The followings are information included in transcription except:
route of drug administration
frequency of intake
amount of medication to be taken
generic form of the medication
What is the mechanism of NaCl tablet absorption?
active transport
simple diffusion
facilitated diffusion
phagocytosis
Pertains to the body of the prescription order:
transcription
inscription
superscription
subscription
Legal concept of prescription stating that the practitioners should educate the patient regarding the drugs to be given to the patient:
doctrine of minors and incompetents
doctrine of informed consent
doctrine of respondent superior
doctrine of independence
Legal concept of prescription states the responsibility of the practitioner for whatever actions done by his subordinate:
doctrine of minors and incompetents
doctrine of informed consent
doctrine of respondent superior
doctrine of independence
Legal concept of prescription characterized by allowing to patient to know the procedure to be done, pros & cons, benefits and adverse effects of the procedures to be done:
doctrine of minors and incompetents
doctrine of informed consent
doctrine of respondent superior
doctrine of discharge
What is substance-I of the controlled substances approved by the BFAD?
has less abuse potential and limited physical or psychological dependence
has high abuse potential and abuse leading to severe psychic or physical dependence
has high abuse potential and no accepted medical use
has limited physical or psychological abuse potential
What is substance-V of the controlled substances approved by the BFAD
less abuse potential and limited physical or psychological dependence
high abuse potential and abuse leading to severe psychic or physical dependence
high abuse potential and no accepted medical use
limited physical or psychological abuse potential
Which of the following drug belongs to substance-I of the controlled substance?
methamphetamine
loperamide
cocaine
phenobarbital
Which of the following is not the specific receptor theory-mechanism of action of proparacaine?
block the internal opening of sodium channels
incorporate and becomes part of cell membrane
block the external opening of sodium channels
compete with calcium guarding Na+ channels
Prescribing guideline of this controlled substance states that it should not be refilled >5x after the date of PO is issued:
C-III
C-V
C-I
C-II
Prescribing guideline of this controlled substance states that it should not be available for therapeutic use:
C-III
C-V
C-I
C-II
Prescribing guideline of this controlled substance states that it should not be dispensed if more than 6 months after the date of PO is issu
C-III
C-V
C-I
C-II
Prescribing guideline of this controlled substance states that it should not be supplied >3days after the date of PO is issued:
C-III
C-V
C-I
C-II
Part of the prescription order which means "take"
transcription
inscription
superscription
subscription
Part of the prescription order which means "write"
transcription
inscription
superscription
subscription
Not a carrier-mechanism of drug absorption which are characterized by movement of drug molecules from higher to lower concentration:
active transport
simple diffusion
facilitated diffusion
phagocytosis
The following are the characteristics of lipid soluble medication EXCEPT:
non-polar form
uncharged form
unionized form
pH=6.0
Which of the following is lipid insoluble medication which requires BAK for absorption?
proparacaine
alkaloids
carbachol
prednisone
Ofloxacin ophthalmic solution for sore or pink eyes caused by virus:
protective
prophylactic
diagnostic
curative
palliative
Nifedipine for chronic essential hypertension:
protective
prophylactic
diagnostic
curative
palliative
Naprosyn to relieve pain in rheumatoid arthritis:
protective
prophylactic
diagnostic
curative
palliative
Pilocarpine to maintain the intraocular pressure in angle closure glaucoma:
protective
prophylactic
diagnostic
curative
palliative
Cyclopentolate as mydriatic agent during ophthalmoscopy:
protective
prophylactic
diagnostic
curative
palliative
Tobramycin ophthalmic solution for ophthalmia neonatorum:
protective
prophylactic
diagnostic
curative
palliative
The following are the ocular side effects of oral contraceptives except:
central retinal vein occlusion (CRVO)
contact lens intolerance
central retinal artery occlusion (CRAO)
far-sightedness
The following drugs are used for myasthenia gravis except:
physostigmine
edrophonium
neostigmine
ambenonium
Triads of clinical manifestations after giving atropine IV except:
dry mouth
loose bowel movement
tachycardia
mydriasis
Best term for open angle glaucoma:
uncompensated glaucoma
narrow angle glaucoma
emergency glaucoma
compensated glaucoma
Most common ocular side effect of pilocarpine and atropine ophthalmic solution:
iris cyst
uveitis
ciliary spasm
ciliary congestion
Medication that produced melanin-like deposits on the cornea and conjunctiva on repeated use:
atropine
tropicamide
epinephrine
benoxinate
Medication that produced iris cyst formation reversed by 2.5% phenylephrine:
atropine
betaxolol
hydroxyamphetamine
echothiophate
Route of corticosteroid treatment having high incidence of secondary open-angle glaucoma:
topical
parenteral
alimentary
inhalation
Longest-acting, strongest and most primitive mydriatic and cycloplegic agent:
pilocarpine
atropine
tropicamide
cyclopentolate
Classify cyclopentolate:
cholinergic agonist
adrenergic agonist
cholinergic antagonist
adrenergic antagonist
Antipsychotic agent which causes contact lens intolerance:
phenothiazine
etretinate
progestins
clomiphene
Fertility drug that causes contact lens intolerance:
phenothiazine
etretinate
progestins
clomiphene
Newest form of vitamin A which causes contact lens intolerance:
phenothiazine
etretinate
progestins
clomiphene
Non-active agent that dissolves the active form of the drug, controlling its viscosity and aids the transport of the active drug:
buffering agent
ophthalmic vehicle
excipient
surfactant
Chemical agent that gives form or consistency to the drug preparation but with limited used in ophthalmic preparation:
buffering agent
ophthalmic vehicle
excipient
surfactant
Anatomic space in an eyeball separated by ocular barriers:
compartment
compartment modeling
compartment analysis
cavities
What happen when micelles form in water?
tail of amphophilic surfactant forms a core encapsulating oil droplet
head of amphophilic surfactant forms a core encapsulating water droplet
head of amphophilic surfactant comes in contact with oil
tail of amphophilic surfactant comes in contact with water
What happen in reverse micelles?
tail of amphophilic surfactant forms a core encapsulating oil droplet
head of amphophilic surfactant forms a core encapsulating water droplet
head of amphophilic surfactant comes in contact with oil
tail of amphophilic surfactant comes in contact with water
Characteristic of the 'head' of amphophilic surfactant:
hydrophilic
lipophilic
zwitterions
cationic
Characteristic of the tail of amphophilic surfactant?
hydrophilic
lipophilic
zwitterions
cationic
The following the indications of thimerosal (Merthiolate) except:
preservative in tattoo inks
preservative in ophthalmic solution
preservative in vaccines
preservative in IV fluids
Lubricants in ophthalmic ointment except:
carboxymethylcellulose
lanolin
white petrolatum
mineral oil
Lubricants in ophthalmic solution except:
methylellulose
polyvinyl alcohol
dextran
polyvinyl pyrrolidine
Hydrolytic enzyme that destroy the norepinephrine of adrenergic nerve:
MAO
COMT
AchEk
A & B only
Hydrolytic enzyme that destroy the neurotransmitter of cholinergic nerve:
MAO
COMT
AchE
A & B only
Neurotransmitter at terminal ends of adrenergic nerve:
norepinephrine
serotonin
acetylcholine
dopamine
Neurotransmitter at terminal ends of cholinergic nerve:
norepinephrine
serotonin
acetylcholine
dopamine
Inhibitor of adrenergic nerve at alpha-2 receptor:
yohimbin
timolol
prazosin
tropicamide
Inhibitor of adrenergic nerve at alpha-1 receptor:
yohimbine
timolol
prazosin
tropicamide
Inhibitor of cholinergic nerve at nicotinic receptor:
curare
timolol
prazosin
tropicamide
Inhibitor of adrenergic nerve at beta-2 receptor:
curare
timolol
prazosin
tropicamide
Inhibitor of adrenergic nerve at beta-1 receptor:
curare
timolol
prazosin
tropicamide
Inhibitor of cholinergic nerve at muscarinic receptor:
yohimbine
propanolol
curare
atropine
Antidote for physostigmine poisoning:
pilocarpine
propanolol
atropine
yohimbine
Diagnostic agent used to identify the cause of sudden ptosis in myasthenia gravis:
physostigmine
edrophonium
neostigmine
ambenonium
Drug of choice to relieve ptosis in myasthenia gravis:
physostigmine
edrophonium
neostigmine
ambenonium
Lowest concentration of pilocarpine to constrict the pupils in Adie's syndrome:
0.5%
10%
1%
0.1%
Reversing agent to the mydriatic effect of atropine:
cyclopentolate
pilocarpine
dorzolamide
phenylephrine
Desired effect of pilocarpine used in glaucoma:
open the trabecular meshwork
decrease aqueous humor secretion
contraction of Bruck's muscles
A & C only
