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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. Antidote used for cyanide poisoning
Lithium
Reduce aqueous secretion
Nitrites
Malathion
2. DOC for digoxin induced arrhythmias
Aztreonam
Phenytoin
Diethylstilbestrol (DES)
Neutropenia and agranulocytosis
3. Enzyme that metabolizes acetaldehyde to acetate
N- acetylcysteine
Mifepristone
Antithrombin 3
Aldehyde dehydrogenase
4. Antibiotic causing red - man syndrome - and prevention
Overdose of opioids
Cefuroxime (2nd) generation - Ceftazidime - Ceftriaxone
Iodide salts
Vancomycin - infusion at a slow rate and antihistamines
5. The most toxic organophosphate
Hydroxychloroquine
Fluoxetine (Sarafem)
Zileuton
Parathion
6. Agents that inhibit acetaldehyde dehydrogenase
Disulfiram - metronidazole - certain sulfonylureas and cephalosporins
Ascending pathways
Suramin
Gingival hyperplasia - nystagmus - diplopia and ataxia
7. SE of CCB
Constipation - edema - and headache
Cp
Desmopressin (DDAVP)
Anterograde amnesia
8. Treatment of myasthenia gravis
Pyridostigmine
Increased thromboembolic events
Nonselective Muscarinic Antagonists
Octreotide
9. Used intravenously for acute arrhythmias during surgery
Alkylating agent
Alprazolam
Acute intermittent porphyria
Esmolol
10. Time it takes for amount of drug to fall to half of its value; this is a constant in first order kinetics (majority of drugs)
Half - life (T1/2)
Heparin
Phenylephrine
Cytomel
11. These beta blockers are less lipid soluble
Hepatic enzymes
Esmolol
Acebutolol and atenolol
Ultralente (humulin U)
12. Causes acne - premature closure of epiphyses - masculinization in females - hepatic dysfunction - MI - and increases in libido and aggression
AZT (zidovudine)
Bind ergosterol in fungal cell membrane
IV diazepam for short term (acute) treatment; phenytoin for prolonged therapy
Steroids
13. Condition will result from in combination of MAOI with tyramine containing foods (ex. wine - cheese - and pickled meats)
Thick ascending limb
Hypertensive crisis
Cyproheptadine
Physostigmine
14. Initial DMARD of choice for patients with RA
Tizanidine
Depression of medullary and cardiovascular centers
Methotrexate
Nevirapine - amprenavir
15. SE of phenytoin
Sulfonamides
Autocoids
Gingival hyperplasia
increase the FREQUENCY of GABA- mediated chloride ion channel opening
16. Available bisphosphonates
Lithium toxicity
Alendronate - etidronate - risedronate - pamidronate - tiludronate - and zoledronic acid
Isoflurane
Sulfonamides
17. Hormone inhibiting prolactin release
Acarbose - miglitol
Heparin induced thrombocytopenia (HIT)
Dopamine
Lepirudin
18. Prolonged exposure to this inhaled anesthetic may lead to megaloblastic anemia
Timolol (nonselective) - betaxolol (selective)
Smooth muscle; stomach - heart - and mast cells; nerve endings - CNS respectively
Streptomycin
Nitrous oxide
19. Opioid used in the management of withdrawal states
Probenecid and sulfinpyrazone
Clonazepam
Anti - inflammatory - analgesia - antipyretic and antiplatelet activity
Methadone
20. Interaction with this drug requires dose reduction of 6- MP
Tamsulosin (Flomax)
LSD
Allopurinol
Abciximab - tirofiban and eptifibatide
21. Agent that inhibits alcohol dyhydrogenase and its clinical use
IV and IM (only LMW)
TD50
FOMEPIZOLE - used to prevent formation of toxic metabolites from methanol and ethylene glycol ingestion
Beta1 agonists
22. Combined alpha and beta blocking agents that may have application in treatment of CHF
Hyperuricemia - hypokalemia and hyperglycemia
Labetalol and carvedilol
DOM - STP - MDA - and MDMA 'ecstasy'
C- peptide
23. B- blockers that are more cardioselective
Prazosin - terazosin - doxazosin
Beta -1 selective blockers
Cefuroxime (2nd) generation - Ceftazidime - Ceftriaxone
Dry cough
24. Skeletal muscle agent that undergoes Hofmann elimination (breaks down spontaneously)
Protease inhibitors
Fomepizole
Atracurium
Prinzmetal's angina
25. Reversal of blockade by neuromuscular blockers
Dantrolene
Cholinesterase inhibitors
Heparin induced thrombocytopenia (HIT)
Ezetimibe (Zetia)
26. Methyldopa is contraindicated in
Prolongs QT interval
Geriatrics due to its CNS (depression) effects
Acetazolamide
Methotrexate
27. Effective in preventing TIA's
Clopidogrel and ticlopidine
Ganciclovir
Thioridazine
Hyperkalemia
28. Diuretics work in CHF by
GLUT 4
Cephalosporins
Reducing preload
Tamsulosin
29. Intermediate acting glucocorticoids
Chemical esophagitis
Lupus - like syndrome
Constipation - edema - and headache
Prednisone - methylprednisolone - prednisolone - and triamcinolone
30. Rapid acting - crystalline zinc insulin used to reverse acute hyperglycemia
C- peptide
Ganciclovir
Regular (Humulin R)
Cyproterone acetate
31. DOC for CMV retinitis
Folic acid
Ganciclovir
Benzodiazepines and calcium channel blockers
Affinity
32. MOA of Leflunomide (newer agent)
Specificity
Dextroamphetamines and methamphetamine
Inhibiting dihydroorotate dehydrogenase which leads to decreased pyrimidine synthesis - decreased T cell proliferation and decreased antibody production by B cells
Nephrotoxicity
33. SE of these drugs include dependence - withdrawal syndrome - sedation - euphoria - respiratory depression nausea and vomiting - constipation - biliary spasm - increased ureteral and bladder tone - and reduction in uterine tone
Muscarinic blockers
Diazepam
Opioid Analgesics
Prazosin - terazosin - doxazosin
34. MOA of repaglinide
Peripheral neuropathy (also excessive alcohol use is associated with HTN - anemia - and MI)
Insulin release from pancreas; faster and shorter acting than sulfonylurea
Topical mupirocin (Bactroban)
Tamsulosin
35. Warfarin is contraindicated in
Panic attacks - social phobias - bulimia nervosa - and PMDD (premenstrual dysphoric disorder) - OCD
Midodrine
Pregnancy
Cocaine
36. Some cell cycle non - specific drugs
Decreased micro and macro vascular disease
Alkylating agents (eg. - mechlorethamine - cyclophosphamide) - antibiotics (doxorubicin - daunorubicin) - cisplatin - nitrosourea
Changes in heart rate - blood pressure - respiration - body temperature - sweating - bowel signs - and pupillary responses
Octreotide
37. Antidote for hyperkalemia
Codeine - hydrocodone - and oxycodone
Octreotide
sodium polystyrene sulfonate (Kayexalate)
Pentoxifylline
38. Common side effect of Rifampin
Beta - blockers such as propranolol
Timolol (nonselective) - betaxolol (selective)
Red urine discoloration
Esmolol
39. Ergot alkaloid that is a partial agonist at D2 receptors in the brain - used for patients who are refractory or cannot tolerate levodopa - causes erythromelalgia
Bromocriptine
Sodium channel blockade
Insulin glargine
Acid reflux disease - duodenal ulcer and peptic ulcer disease
40. Specific pharmacokinetic characteristic of amiodarone
Prolonged half - life - up to six weeks
Clearance (CL)
Glucagon
Terfenadine and astemizole (have been removed from the market)
41. Common mechanism by which overdose result in death
Tetrabenazine (amine depleting drug) - Haloperidol (antipsychotic)
Depression of medullary and cardiovascular centers
Inhaled anesthetics - especially isoflurane - aminoglycosides - and antiarrhythmic
Glucocorticoids
42. Drug used supraventricular arrhythmias
Reduce inhibition - suppress anxiety - and produce relaxation
Lepirudin
Pindolol and acebutolol
Digoxin
43. Epinephrine is often mixed with a local anesthetic to
Hypercalcemia
Ability to cross the placenta
Pregnancy
Reduce the loss from area of injection
44. Antidepressant with MOA as alpha 2 antagonist - has effects on both 5- HT and NE - blocks histamine receptors - and is sedating
Ganirelix
sulfamethoxazole/ trimethoprim
Hallucinations resembling psychosis
Mirtazapine
45. The most frequent cause of acute deaths in cholinesterase inhibitor toxicity
C- peptide
Dexrazoxane
Cefixime (3rd) generation
Respiratory failure
46. Class of anti - arrhythmics that has a pro - arrhythmic effect (CAST trial) - therefore are used as last line agents
Rheumatic disease
Aminocaproic acid
Class IC (flecainide - propafenone - moricizine)
Diazepam
47. Digoxin toxicity can be precipitated by
Heparin induced thrombocytopenia (HIT)
Efficacy
Hypokalemia
Nondepolarizing Neuromuscular Blockers
48. Somatotropin (GH) analog used in GH deficiency (dwarfism)
Somatrem
Venlafaxine
Mostly in the brain - and they mediate synaptic inhibition via increased K+ conductance
Octreotide
49. Anti - androgen used for prostate cancer
Sulfasalazine
Aspirin - metoprolol
Flutamide (Eulexin)
LFT's
50. Drug of choice for myoclonic seizures
Suramin
Caffeine
Valproic acid
Mostly in the brain - and they mediate synaptic inhibition via increased K+ conductance