Font size
WorksheetsOrion 26-42
Total questions: 109
Worksheet time: 55mins
Which of the following is the benefit of the piperazine group at position?
Increases drug resistance to β-lactamase and improves the oral bioavailability of the drug
Increases lipophilicity and hence penetration of the bacterial cell wall
Improves the spectrum of antibacterial activity (especially Gram-negative)
Decreases toxicity while maintaining efficacy
Which one of the following is the effect to alkaline buffers that have in commercial formulations of aspirin?
They have one effect on the rate of absorption
They increase the rate of its absorption by alkalinizing the pH of the stomach
They reduce the rate of absorption of aspirin by converting it to the less readily absorbed ionic form
They increase the rate of absorption by increasing the pH immediately around the disintegrating aspirin particles and accelerating their dissolution
Examine the chemical structure of diclofenac (see image). Which of the following structures best represents a major active metabolite of diclofenac?
1
2
3
4
The presented structure belongs to the proton pump inhibitor tenatoprazol (see image). Which of the following metabolic reactions can occur at the pointed arrow on the structure?
Sulfation
Oxidation
Demethylation
Glucoronidation
Which of the following medications contains triazole moiety? (see image)
Fluconazole
Anastrozole
Ribavirin
Rizatriptan
Histamine (pKa= 9.4 ) is endogenous chemical release when allergic reaction happened. As a pharmacist you are responsible to understand the mechanism and the conformation of this chemical in the blood (see image). Which of the following is the least dominant tautomer of the histamine at the physiological pH?
a
b
c
d
D-Galactose and D-Mannose are monosaccharide sugar. They have the same number of carbons and the same functional group, but they differ in their configurations. This reflects their pharmaceutical uses (see image). Which of the following types of stereo-isomerization do these sugars represent?
Isomers
Epimers
Anomers
Diasteromers
Ropivancain is an important local anesthetic. The figure shows the chemical structures of ropivacaine and 4 other local anesthetics (see image). Which of the following is the bioisoster for ropivacaine?
Etidocaine
Bupivacaine
Mepivacaine
Levobupivacaine
Amphotericin undergo which reaction?
Hydrolysis
Alkylation
Reduction
Oxidation
Epimer of glucose?
Ribose
Galactose
Deoxyribose
Two chemical configurations for the same drug, one is R and the other is S. What is it called?
Enantiomers
Diastereomers
Conformers
Isotopes
Morphine to heroine?
Carboxylation
Esterification
Acetylation
Morphine to heroine??
Carboxylation
Esterification
Type of bond between amino acids?
Amide bond
Disulfide bond
Ionic bond
Van der Waals bond
Aspirin metabolism?
Methylation
Hydroxylation
Conjugation
Bond between carboxyl and amine?
Hydrogen bond
peptide bond = covalent chemical bond
Van der Waals
Benzimidazole and pyridine connected together with?
Disulfide bond
Ether linkage
Methylene (−CH2−) linkage
Amide bond
Structures of zidovudine antivirals, marked 4 area on structure and asked about which part to remove that make the antiviral drug not effective?
N3
CH3
C=O
OH
Which element is not involve in heterocyclic compounds?
N
H
Se
Fe
Which the least dominant tautomerism of the histamine at the physiological pH?
a
b
c
d
Ephedrine phenylephrine additional of hydroxyl group what do to activity?
Increase alpha 1
Decrease alpha 1
Increase alpha 2
Decrease alpha 2
Which of the following is the active metabolite of primidone?
phenytoin
dopamine
phenobarbital
methsuximide
Which of the following is the therapeutic indication for methylphenidate?
eczema
insomnia
anorexia nervous
attention deficit disorder in children
A 6-year-old boy is brought with complaint of uncontrollable spasm-like movements and excessive eye blinking for four months. Chronic motor disorder was diagnosed. Which of the following is the best management?
pregabalin
Haloperidol
Methadone
Chlorzoxazone
Which of the following is an inhibitory neurotransmitter?
Aspartate
Serotonin
Glutamate
Gama aminobutyric acid (GABA)
A 67-year-old man presents with complaints of tremors, trouble walking and masked face. Parkinson’s disease is suspected. Levodopa is prescribed along with a compound to lower required dose of levodopa and to achieve an effective brain dopamine concentration. Which of the following is that most likely compound?
pergolide
selegiline
carbidopa
entacapone
Which of the following is a potential side effect of using chlorpromazine in an elderly person?
dyskinesia
constipation
urinary retention
tardive dyskinesia
A 14 years-old man expressed withdrawal symptoms from using benzodiazepine drug which included irritability and aggression. Which of the following types of benzodiazepines is more likely associated with these symptoms?
long-acting benzodiazepines
ultra-short acting benzodiazepines
benzodiazepines WITH ACTIVE METABOLITES
benzodiazepines with high plasma protein binding
A 38-year-old man is using citalopram 20 mg po daily for depression which he has been taking for 1 year. A week ago, he had an infection and was prescribed linezolid 600 mg po q12h for a total of 14 days. The patient began to get confused and easily agitated like he was breathing rapidly and started to sweat and develop tremor. Which of the following is name of this drug-drug interact happened to this patient?
Hepatotoxicity
Seizure activity
Serotonin syndrome
Stevens Johnson syndrome
An elderly man presented to the emergency room with dizziness, consciousness loss, and respiratory depression. He was recently on medication for inability to sleep. Which of the following medications is the most likely drug involve toxicity?
Aspirin
Naproxen
Diazepam
Acetaminophen
An 18-year-old boy with a history of illicit drug use is suspected to have an overdose of benzodiazepines and is experiencing ataxia, drowsiness and nystagmus. Which of the following would be the best antidote?
Activated charcoal 50 grams
Flumazenil 300 mcg intravenously
Naloxone 400 mcg intramuscularly
Haloperidol 10 mg intramuscularly
Which of the following is considered first line therapy for the management of partial seizures?
Carbamazepine
Phenobarbital
Gabapentin
Primidone
Which of the following electrolyte imbalances predispose to lithium toxicity?
magnesium
potassium
calcium
sodium
Which of the following anticonvulsants needs serum level monitoring for optimize safety and efficacy?
Phenytoin
Lacosamide
Which of the following dosage regimen is approved for severe Alzheimer’s disease?
Donepezil 23 mg daily
Memantine 5 mg daily
Rivastigmine 6 mg twice daily
Galantamine 12 mg twice daily
Which of the following counseling points is most important to discuss with a patient who is taking carbidopa/levodopa?
Should be taken on an empty stomach
High-fat meal may increase the absorption
Should not be taken with calcium supplements
High-protein meal may decrease the absorption
Which of the following is the most likely reason for increased risk of falls in geriatric patients using tricyclic antidepressants?
palpitations
weak muscles
orthostatic hypotension
difficulty in concentration
Which of the following medications is the most appropriate for nausea induced by the anti-Parkinson’s drug bromocriptine?
itopride
Domperidone
Metoclopramide
Chlorpheniramine
Which of the following is the mechanism of action of entacapone?
Inhibition of nicotinic receptors
Inhibition on dopamine-D2 receptors
Inhibition of monoamine oxidases (MAO)
Inhibition of catechol-O-methyltransferase (COMT)
Which of the following drugs causes oligohydrosis?
Phenytoin
Topiramate
Zonisamide
Oxcarbazepine
Which of the following does mechanisms Carbidopa act as an anti-parkinsonian agent?
Blocking dopamine receptors
Activating serotonin reuptake
Binding to alpha-7 nicotinic acetylcholine receptors
Decreasing the decarboxylation of levodopa in peripheral tissues
Which of the following is the therapeutic use of the dietary supplement Valerian?
Improve urinary flow
Reduce severity of a cold or virus infection
Improve memory
Mild sedative
A 61-year-old man was recently diagnosed with Parkinson’s disease. He was prescribed an anti-Parkinson medication. Later, he was presented to the clinic with mydriasis and narrow angle glaucoma. Which of the following medication was prescribed?
Amantadine
Bromocriptine
Trihexyphenidyl
Levodopa (L-DOPA)
Which of the following is the active metabolite of primidone?
phenytoin
dopamine
phenobarbital
methsuximide
A 45-year-old woman was prescribed a sedative for anxiety to be taken at night. Three days later, she presented complaining of drowsiness, dysphoria and motor depression every morning. Which of the following medications was most likely prescribed?
zolpidem
diazepam
ramelteon
midazolam
Which of the following medications is used to treat Alzheimer’s disease?
donepezil
amantadine
trihexyphenidyl
carbidopa-levodopa
Which of the following receptors is the target for morphine action?
glutamate receptor
interleukin-2 receptor
mu (μ) opioid receptor
acetylcholine receptor
Which of the following side effects is common with short half-life hypnotics?
rebound insomnia
development of tolerance
induction of liver metabolic enzymes
retrograde amnesia during the next day
A 67-year-old man presents with tremors, trouble walking, and a masked face. Parkinson’s disease is suspected. Levodopa is prescribed along with a compound to lower the required dose of levodopa and to achieve an effective brain–dopamine concentration. Which of the following is the most likely compound?
pergolide
selegiline
carbidopa
entacapone
Which anxiolytic drug has a slow onset of action?
diazepam
buspirone
alprazolam
phenobarbital
Which of the following is the therapeutic use of the dietary supplement valerian?
improve urinary flow
reduce severity of a cold or virus infection
improve memory
mild sedative
Which of the following statements best describes L-DOPA?
it is absorbed and converted to carbidopa
it activates nicotinic acetylcholine receptors
it is the drug of choice in the treatment of Alzheimer’s disease
it crosses the blood–brain barrier and is converted to dopamine
Which of the following adverse effects is associated with the use of barbiturates in elderly?
Ataxia
Agitation
Dementia
Hypotension
Which of the following mechanism of actions most appropriately describes benzodiazepines?
Inhibit GABA’s actions at the GABA receptor
Potentiate 5-HT’s actions at the 5-HT receptor
Potentiate GABA’s actions at the GABA receptor
Potentiate glutamate’s actions at the NMDA receptor
Which of the following is a therapeutic use of lorazepam?
Antihistamine
Analgesic
Hypnotic
Diuretic
Epilepsy patient with positive HLA-B 1502: Which antiepileptic can be used?
levetiracetam
lamotrigine
phenytoin
carbamazepine
Drug of choice for a patient with focal seizure and positive HLA-B 1502: Which agent should be selected?
levetiracetam
carbamazepine
lamotrigine
phenobarbital
Which of the following is the first-line drug for Alzheimer’s disease?
amantadine
donepezil
levodopa
dopamine
Which of the following is the active metabolite of primidone?
phenytoin
dopamine
phenobarbital
methsuximide
Which of the following drugs causes oligohydrosis? Select all that apply.
phenytoin
topiramate
zonisamide
oxcarbazepine
Patient with diabetes mellitus, neuropathy, and depression: Which single medication is appropriate to use?
duloxetine
pregabalin
amitriptyline
tramadol
Memantine mechanism of action in Alzheimer’s disease: Which statement is correct?
Affinity uncompetitive N-methyl-D-aspartate (NMDA) receptor antagonism
Memantine blocks the 5-hydroxytryptamine-3 receptor with potency similar to the NMDA receptor
And thus preventing loss of neurons
Which mood stabilizer would be most appropriate in a patient with liver disease?
lithium
valproic acid
carbamazepine
none of the above
Which of the following medications would be first-line monotherapy for an acute episode of mania?
gabapentin
lithium
lamotrigine
haloperidol
Pregnant patient with tonic–clonic seizure: Which treatment is most appropriate?
valproic acid plus folic acid
lamotrigine
cyclizine
metformin
Side effect characteristic of short half-life hypnotics: Which is most typical?
Rebound insomnia
Development of tolerance
Which drug is associated with Stevens–Johnson syndrome?
valproic acid
quinidine
isoniazid
ethosuximide
Common side effect of chlorpromazine: Which is most characteristic?
Headache
Dry cough
Akathisia or tardive dyskinesia
Breastfeeding with epilepsy: Which antiepileptic is suitable?
levetiracetam (Keppra)
phenytoin
carbamazepine
topiramate
Phenytoin metabolism reaction: Which transformation is correct?
Oxidation
Decarboxylation
4-hydroxyphenyl formation by hydroxylation
Methylation
A Parkinson’s patient has a dry cough and had been using selegiline (an MAOI) but stopped it 3 weeks ago. What should be done now?
It is reasonable to give cough medicine
Dextromethorphan
Give guaifenesin
Don’t give
Which of the following increases lithium concentration?
caffeine
thiazide diuretics
NSAIDs
fluid intake
A 45-year-old man injured in a car accident is admitted with a blood alcohol level of 275 mg/dL. Hospital records show prior hospitalization for alcohol-related seizures and heavy drinking for weeks. Which treatment should be provided to prevent alcohol withdrawal seizures?
lorazepam
pentobarbital
phenytoin
buspirone
A patient on benzodiazepines for anxiety had a car accident due to drowsiness. She took cimetidine for heartburn. What happened?
Cimetidine increased the metabolism of the anxiolytic
Cimetidine decreased the metabolism of the anxiolytic
Status epilepticus case already received lorazepam IV. Which drug should be given next?
phenytoin IV
diazepam orally
phenobarbital IV
You prepared aqueous and organic solutions from green leaves of a herbal supplement used as a tea for weight loss and energy. The patient reports tremors, palpitations, and insomnia. Phytochemical screening results were: Dragendorff’s test positive (red–orange precipitate); Fehling’s test negative; Foam test negative; Lead acetate test negative; Ninhydrin test negative; Salkowski’s test negative; Keller–Killiani test negative. Which is the most likely active ingredient?
alkaloid
saponin
reducing sugar
cardiac glycoside
A 49-year-old woman regularly drinks an herbal infusion made from dry senna fruit and developed severe hepatotoxicity. Which active glycoside in senna is associated with this hepatotoxic effect?
anthraquinone glycosides
flavonoids
saponins
cardiac glycosides
Which of the following is an alkaloid isolated from the autumn crocus plant and is useful in the treatment of the symptoms of gouty arthritis?
Celecoxib
Ibuprofen
Colchicine
Rasburicase
Which of the following herbal medicines may cause oral carcinoma if chewed daily?
Areca nut
Clove buds
Mentha leaf
Saffron flower
Which of the following herbal products can potentiate the effects of oral antidiabetic medications?
Garlic
Ginseng
Green tea
Echinacea
Which of the following plants has a sedative effect?
Catha edulis (Khat)
Atropa belladonna
Pilocarpus jaborandi
Valeriana officinalis (valerian)
Sennoside B is an anthranoid derivative present in Senna leaves used as a treatment for constipation. It is characterized by O‑glycosides linkage, and its potential activity arises from its aglycon form. Which of the following types of aglycon is the active metabolite of Sennoside B?
Dianthrone
Oxanthrone
Rheinanthrone
Anthraquinone
Which of the following is the retention factor (Rf) for strychnine and brucine, respectively?
0.36, 0.4
2.76, 2.35
3, 2.7
6.4, 6.7
A patient was admitted to the hospital due to poisoning symptoms after ingesting an unknown herbal remedy from an unknown source. The herbal drug was submitted to the analytical lab for analysis. The laboratory phytochemical screening shows the following results: FeCl3: +ve; Dragendorff’s: −ve; saponin: −ve; Baljet test: ++++ve. Which of the following substances is the most likely main content of the unknown herb?
Quinine
Digitalis
Morphine
Belladonna
Which dietary supplement can be suggested to overcome jetlag?
Melatonin
Echinacea
Yohimbine
S‑adenosyl‑L‑methionine (SAMe)
Plant used in peripheral arterial disease?
Ginger
Ginkgo
Which plant exhibits 5‑HT3 activity?
Ginger
Ginseng
Licorice
Black pepper
Which plant is used for cough?
Eucalyptus oil
Thyme
Licorice
Chamomile
Which alkaloid causes skeletal muscle relaxation?
Ephedrine
Theophylline
What is the active ingredient in plant leaves?
Chlorophyll
Cellulose
Lignin
Carotene
What is the benefit of grape seeds?
Antioxidant
Anti‑inflammatory
Diuretic
Laxative
Best way to collect volatile oil?
Gas chromatography
Liquid chromatography
FDA approved that it induces sleep?
Lavandula
Valeriana officinalis
Chamomile
Passiflora
Cough with viral infection and green sputum: which medication is appropriate?
Guaifenesin
Dextromethorphan
Codeine
An order for amoxicillin 500 mg three times daily for 7 days is prescribed. The pharmacy only stocks amoxicillin 250 mg capsules. Which of the following is the number of capsules the pharmacist should dispense?
21
42
64
80
A pharmacist showed a patient how to use injection by pictures. What type of communication is this?
Verbal
Non‑verbal
Physical
Visual
Which of the following situations allows accepting a verbal order?
In a code status
To start chemotherapy
Cleaning is a very important step when working with laminar flow hoods. Which of the following disinfectants is most suitable for cleaning the hood before compounding a sterile preparation?
70% Ethanol
90% Ethanol
70% Isopropanol
90% Isopropanol
Itraconazole capsules require acidic pH for optimal dissolution and absorption. Which of the following is an appropriate advice to optimize the oral absorption of the drug?
Take it with food
Take it on an empty stomach
Take it with a full glass of water
Take it with a proton pump inhibitor
Corticosteroids are given in sepsis for which primary purpose?
Reduce mortality
Decrease pain scale
Decrease staying in ICU
Decrease need for fluids
A 32‑year‑old female with an acute flare of Crohn’s disease was started on methylprednisolone 4 mg once daily. The medical team is ready to transition her to hydrocortisone once daily. What is the equivalent daily dose?
20 mg
5 mg
8 mg
10 mg
A 59‑year‑old male is currently taking prednisolone 10 mg. His physician would like to switch to an equivalent methylprednisolone dose. What is the correct dose?
5 mg
8 mg
10 mg
20 mg
A medication order is given to the pharmacist: Olive oil 60 ml and Vitamin A 60,000 IU. What is likely to be the final form of preparation?
A solution
A liniment
An emulsion (contain oil and water)
A suspension
Which of the following is the basis of the biopharmaceutics classification system of drugs?
Permeability and solubility
Solubility and molecular weight
Solubility and partition coefficient
Permeability and molecular weight
Which of the following techniques will hinder tablet dissolution?
Adding a surfactant agent
Use of drug’s crystalline state
Micronization of drug powder
Increasing tablet compression
A 3‑year‑old boy presents with diarrhea. His weight is 13 kilograms. Which of the following is the most appropriate maintenance fluid requirement for this patient?
1000 ml
1050 ml
1150 ml
1250 ml
Which of the following is another name for a true solution?
Heterogeneous mixture
Homogeneous mixture
Suspension
Colloid
Which of the following is the calculation of the apparent volume of distribution if the patient received 400 mg of intravenous medication that produced immediate blood concentration of 10 microgram/ml?
0.025 L
0.4 L
25 L
40 L
Which of the following is another term for the ability of a liquid to dissolve in another?
Solubility equilibrium
Solvation energy
Hydrophilicity
Miscibility
