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Test your basic knowledge |
USMLE/COMLEX Step 1 Pharmacology One Liners
Start Test
Study First
Subjects
:
health-sciences
,
usmle-step-1
,
comlex
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Main route of metabolism for benzodiazepines
Entacapone and Tolcapone
Hepatic
Reducing preload
Finasteride (Proscar and Propecia respectively)
2. Peakless ling acting insulin
Insulin glargine
Antithrombin 3
Methadone
Labetalol and carvedilol
3. Class II antiarrhythmics are
IV diazepam for short term (acute) treatment; phenytoin for prolonged therapy
Tricyclic antidepressants (TCA)
B- blockers
Carbamazepine - gabapentin - lamotrigine - and valproic acid
4. Short acting Beta 2 agonists that is drug of choice in treatment of acute asthma but not recommended for prophylaxis
Ketamine
Thrombocytopenia
Calcium
Albuterol
5. Common side effect of Rifampin
Liver enzyme INDUCTION
Na+/K+ exchange
Diclofenac - ketoralac
Red urine discoloration
6. Anti - arrhythmics that decrease mortality
Acetazolamide
Amiodarone
B- blockers
Ethanol - Barbiturates - and Benzodiazepines
7. Ability to bind reversibly to the same site as the drug and without activating the effector system
Competitive antagonist
Antipyretic and analgesic activity
Hydration and mercaptoethanesulfonate (MESNA)
GI bleeding
8. Antidote to reverse actions of warfarin
REM is decreased
Vitamin K or fresh frozen plasma
Adrenal suppression and weaning slowly - respectively
Thyroxine
9. Benzodiazepines used to promote sleep
Liver toxicity - increased serum cholesterol
PCP
Temazpam - trizolam - flurazepam
Hepatic
10. All opioids except this agent (which has a muscarinic blocking action) cause pupillary constriction
Meperidine
Ketanserin cyproheptadine - and phenoxybenzamine
Potential for development of Reye's syndrome
Radioactive iodine
11. Regimen used for breast cancer
Benztropine - trihexyphenidyl
CMF (cyclophosphamide - methotrexate - and fluorouracil) and tamoxifen if ER+
Maintenance dose (Cp*(CL/F))
Inhibit Na+/Cl - cotransport
12. Agents having active metabolites - long half lives - and a high incidence of adverse effects
Diazepam - Flurazepam - chlordiazepoxide - and clorazepate
Methoxyflurane
Dolasetron
Estrogen (HRT- Hormone replacement therapy)
13. Reduce transient hyper GI motility
Dicyclomine - methscopolamine
Oxybutynin - dicyclomine
GFR
Paclitaxel (taxol)
14. SE of CCB
Constipation - edema - and headache
Block voltage - dependent sodium channels
Inhibition of protein synthesis at the 50s subunit of ribosome
'dry as a bone - red as a beet - mad as a hatter - hot as a hare - blind as a bat'
15. Cheap wide spectrum antibiotic DOC for otitis media
Amoxicillin
Lorazepam - oxazepam - and temazepam
Tolerance
B- blockers
16. SE of clonidine
Rebound HTN - sedation - dry mouth
Increased thromboembolic events
Dopamine blockade
Bind ergosterol in fungal cell membrane
17. Increased risk of developing cataracts
Interleukin 11 (oprelvekin)
Dimercaprol
Quetiapine
GFR
18. MOA of drug or foods (grapefruit juice) that increase statin effect
Glucocorticoids
Inhibit Cytochrome P450 3A4
Methadone
Primaquine
19. MOA of Bisphosphonates
EOS
Pre - existing cardiac or renal disease
Inhibits osteoclast bone resorption
Deferoxamine
20. Phenylisopropylamines that are used legitimately and abused for narcolepsy - attention deficit disorder - and weight reduction
Clomipramine - fluoxetine and fluvoxamine
Esmolol
Amphetamines
Nicotine
21. Nonselective alpha - blocking drug - long acting and irreversible - and used to treat pheochromocytoma. Blocks 5- HT - so occasionaly used for carcinoid tumor. Blocks H1 and used in mastocytosis
Phenoxybenzamine
IV and IM (only LMW)
Baclofen
PTU
22. Four main actions of NSAIDS
Autocoids
Haloperidol
Anti - inflammatory - analgesia - antipyretic and antiplatelet activity
Radioactive iodine
23. Thyroxine dose may need to be increased in hypothyroid patient during pregnancy because
Estogens increase maternal TBG
Atrial fibrillation and CHF
Leuprolide
Betamethasone and dexamethasone
24. LA causing methemoglobinemia
Prilocaine
Leuprolide
Lithium
Fluoxetine
25. Sympathetic agent which stimulates heart rate and can dilate vessels in skeletal muscle at low doses
Epinephrine
Procarbazine
Hyperprolactinemia - menorrhea - galactorrhea - confusion - mood changes - decreased sexual interest - and weight gain
Nitrous oxide
26. MOA of thiazide diuretics
PTU
Inhibit Na+/Cl - cotransport
Atracurium
Meperidine
27. Diuretics work in CHF by
PGI2 (epoprostenol)
Miosis and constipation
Ethanol - Barbiturates - and Benzodiazepines
Reducing preload
28. Incidence of hyoglycemia with metformin
Excessive CNS stimulation (seizures)
None
Nitrous oxide
Timolol
29. NSAID contraindicated in gout
IV administration
Aspirin
Cholinesterase regenerators - pralidoxime
Propranolol
30. Biguanide
Thioridazine
PGE1
Hypoglycemia
Metformin
31. Opioid used in the management of withdrawal states
Amoxicillin
Methadone
Timolol (nonselective) - betaxolol (selective)
Venlafaxine
32. The most frequent cause of acute deaths in cholinesterase inhibitor toxicity
Therapeutic index
Respiratory failure
Naloxone
Atropine - homatropine - C1208 tropicamide
33. This step of metabolism makes a drug more hydrophilic and hence augments elimination
Phase I
Ezetimibe (Zetia)
Mast cell stabilizer
Iron deiodinates thyroxine
34. Extrapyramidal dysfunction is more common with these agents - Which block this subtype of dopamine receptor
Methadone - followed by slow dose reduction
Older antipsychotic agents - D2 receptors
Aldehyde dehydrogenase
Alprostadil
35. Thrombolytic used for acute MI and ischemic (non hemorrhagic) CVA
Clomipramine
Low - potency typical antipsychotics and clozapine
Tissue plasmin activator
Chemical esophagitis
36. Clinical uses of these agents include treatment of HTN - angina - arrhythmias - chronic CHF - and selected post MI patients
Hepatic enzymes
Beta blockers
Thrombocytopenic purpura - and CINCHONISM
Peripheral neuropathy (also excessive alcohol use is associated with HTN - anemia - and MI)
37. Inhaled anesthetic - less likely to lower blood pressure than other agents - and has the smallest effect on respiration
Nitrous oxide
Betamethasone and dexamethasone
Retinal destruction and dermatitis
Cimetidine
38. Decreases liver triglycerol synthesis
Isoflurane
Niacin
Liver enzyme INDUCTION
Insulin glargine
39. Difference between COX 1 and COX 2
Disulfiram - metronidazole - certain sulfonylureas and cephalosporins
Cp
COX 1 is found throughout the body and COX 2 is only in inflammatory tissue
Amitriptyline
40. First generation sulfonylurea
'dry as a bone - red as a beet - mad as a hatter - hot as a hare - blind as a bat'
Dimercaprol
Flunitrazepam (rohypnol)
Chlorpropamide - tolbutamide - tolazamide - etc.
41. Tolerance is marked and abstinence syndrome occurs
Naltrexone
Cosyntropin
Abstinence syndrome
Amphetamines
42. Concentration in the plasma times (clearance divided by bioavailability)
Capsaicin
Glucuronate - acetic acid - and glutathione sulfate
Oxytocin
Maintenance dose (Cp*(CL/F))
43. SE of INH
Hepatic
Midodrine
Psychotic state - overdose causes agitation - restlessness - tachycardia - hyperthermia - hyperreflexia - and seizures
Peripheral neuritis and hepatitis
44. SE of salicylates
Xanthine oxidase
Ganciclovir - zidovudine - saquinavir - and interferon
Thioamides - iodides - radioactive iodine - and ipodate
Tinnitus - GI bleeding
45. Anti - seizure drugs used as alternative drugs for mood stabilization
Lithium toxicity
Carbamazepine - gabapentin - lamotrigine - and valproic acid
Ethanol
Sulfasalazine
46. Beta 2 agonist toxicity
Olanzapine - aripiprazole - and sertindole
Agranulocytosis
Skeletal muscle tremor - tachycardia
GI bleeding
47. Only direct acting agent that is very lipid soluble and used in glaucoma
Indomethacin
CNS stimulation; GI upset
Dimercaprol - EDTA
Pilocarpine
48. Interferes with activity of T- lymphocytes
Infants - closed angle glaucoma - prostatic hypertrophy
Scopolamine - meclizine
Platelet aggregation inhibition
Hydroxychloroquine
49. These Beta blockers decrease aqueous secretion
Cerebral hemorrhage
Timolol (nonselective) - betaxolol (selective)
Calcium channel blockers
Bind ergosterol in fungal cell membrane
50. Anti - malarial drug used in rheumatoid arthritis (RA)
Hydroxychloroquine
Nandrolone - oxymetholone - and oxandrolone
Amiodarone
Phenytoin