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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. Sympathetic agent which stimulates heart rate and can dilate vessels in skeletal muscle at low doses
Cp
Nondepolarizing type antagonists
Labetalol and carvedilol
Epinephrine
2. Class of drugs with ability to decrease the maximal response to an agonist
Noncompetitive antagonist
Liver toxicity - increased serum cholesterol
Cerebral hemorrhage
Sinus tachycardia and serious arrhythmias
3. What do alpha cells in the pancreas produce?
Oral
Ganciclovir - zidovudine - saquinavir - and interferon
Leuprolide
Glucagon
4. Cholestyramine and colestipol are
Cimetidine - ketoconazole - erythromycin - isoniazid and grapefruit
Arteries and veins
Bile acid - binding resins
Prolonged half - life - up to six weeks
5. Contraindications to use of atropine
Salmeterol
Infants - closed angle glaucoma - prostatic hypertrophy
Thiopental
Doxepin
6. Agent that is metabolized to acetaldehyde by alcohol dehydrogenase and microsomal ethanol - oxidizing system (MEOS)
Cefuroxime (2nd) generation - Ceftazidime - Ceftriaxone
Iron deiodinates thyroxine
Infliximab
Ethanol
7. Agent used for acute muscle spasm
Tamsulosin (Flomax)
Skeletal muscle tremor - tachycardia
Diazepam - Flurazepam - chlordiazepoxide - and clorazepate
Cyclobenzaprine
8. Initial DMARD of choice for patients with RA
Ceftriaxone
Calcium
TD50
Methotrexate
9. DOC for RSV
Glyburide - glipizide - and rosiglitazone
LD50
Ribavirin
Peripheral neuropathy (also excessive alcohol use is associated with HTN - anemia - and MI)
10. Meglitinide class of drugs
Nondepolarizing type antagonists
Steady state
Insulin release from pancreas by modifying K+ channels
Repaglinide
11. Drug that inhibits alcohol dehydrogenase and is used in ethylene glycol exposure
Atropine - homatropine - C1208 tropicamide
Protamine
Fomepizole
Ultralente (humulin U)
12. Non - depolarizing skeletal muscle antagonist that has short duration
Buspirone
Mivacurium
Ticlopidine
IV administration
13. Antidote to reverse actions of heparin
Alprazolam
SSRIs
Rescue therapy
Protamine sulfate
14. Heparin (PTT) increases activity of
Tricyclic antidepressants (TCA)
Haloperidol
Antithrombin 3
Flutamide (Eulexin)
15. Lethal arrhythmias resulting from concurrent therapy with azole fungals (metabolized by CYP 3A4) and these antihistamines which inhibit the 3A4 iso - enzyme.
Terfenadine and astemizole (have been removed from the market)
Dopamine
Block cell wall synthesis by inhibiting peptidoglycan cross - linkage
Hypercalcemia
16. DOC for digoxin induced arrhythmias
Phenytoin
Cytomel
Morphine and fentanyl
Adalimumab - infliximab and etanercept
17. Moderate opioid agonists
Codeine - hydrocodone - and oxycodone
Nonselective Muscarinic Antagonists
Severe hypertension
Cholinesterase regenerators - pralidoxime
18. Digoxin toxicity can be precipitated by
Low therapeutic index
Hypokalemia
Abciximab - tirofiban and eptifibatide
Positive Comb's test - depression
19. Antivirals associated with neutropenia
inhibits Na+/K+/2Cl - cotransport
Ganciclovir - zidovudine - saquinavir - and interferon
Na+/K+ exchange
Olanzapine
20. SE of nitrates
Carboplatin
Morphine
Postural hypotension - reflex tachycardia - hot flashes - and throbbing headache due to meningeal artery dilation
Methotrexate
21. Anti - Parkinson's drug which increases intraocular pressure and is contraindicated in closed angle glaucoma
Nitrous oxide
Ultralente (humulin U)
block SLUD (salivation - lacrimation - urination - defecation
Levodopa
22. DOC for paroxysmal supraventricular tachycardia; has high efficacy and short duration of action
Prolonged half - life - up to six weeks
Adenosine
Clomiphene and tamoxifen
Phenoxybenzamine
23. MOA of local anesthetics (LA's)
Edema - mild anemia; interaction with drugs that undergo CytP450 3A4 metabolism
Block voltage - dependent sodium channels
Hyperuricemia - hypokalemia and hyperglycemia
Benzodiazepine receptor BZ1 (although do not have a benzodiazepine ring structure)
24. THC is active ingredient - SE's include impairment of judgment - and reflexes - decreases in blood pressure and psychomotor performance occur
Older antipsychotics
Dopamine blockade
Hyperprolactinemia - menorrhea - galactorrhea - confusion - mood changes - decreased sexual interest - and weight gain
Marijuana
25. MOA of class III antiarrhythmics
Seizures
Panic attacks - social phobias - bulimia nervosa - and PMDD (premenstrual dysphoric disorder) - OCD
Protease inhibitors
Potassium channel blockers
26. Almost all local anesthetics have this property and sometimes require the administration of vasoconstrictors (ex. Epinephrine) to prolong activity
Oral
Primaquine
Vasodilation
First pass effect
27. Long acting sympathomimetic - sometimes used to improve urinary continence in children and elderly with enuresis
Paresthesias - alkalization of the urine (which may ppt. Ca salts) - hypokalemia - acidosis - and encephalopathy in patients with hepatic impairment
Pentoxifylline
Oral and transdermal forms of nitroglycerin
Ephedrine
28. Anti - arrhythmics that decrease mortality
Tetrabenazine (amine depleting drug) - Haloperidol (antipsychotic)
Letrozole - anastrozole
Disulfiram - like reaction
B- blockers
29. Direct vasodilator of arteriolar smooth muscle
Hydralazine
Valproic acid and Phenytoin
Cisplatin
Adalimumab - infliximab and etanercept
30. Three C's associated with TCA toxicity
Atenolol - acebutolol - and metoprolol
Coma - Convulsions - Cardiac problems (arrhythmias and wide QRS)
Quetiapine
Sumatriptan
31. Hyperglycemic agent that increases cAMP and results in glycogenolysis - gluconeogenesis - reverses hypoglycemia - also used to reverse severe beta - blocker overdose and smooth muscle relaxation
Glucagon
Potassium channel blockers
Venlafaxine
Disulfiram
32. Approved for use in severe pulmonary HTN
PGI2 (epoprostenol)
Hydroxychloroquine
Liver toxicity - increased serum cholesterol
Lactic acidosis
33. Agents having higher sedation and antimuscarinic effects than other TCA's
Fluoxetine
Risperidone
Tertiary amines
Gingival hyperplasia - nystagmus - diplopia and ataxia
34. Drug increases the renal clearance hence decreases levels of lithium
Theophylline
Meperidine
Prolonged half - life - up to six weeks
Imipramine
35. Another pneumonic for anticholinergic toxicity
36. Anticancer drug also used in RA - produces acrolein in urine that leads to hemorrhagic cystitis
Cyclophosphamide
Timolol (nonselective) - betaxolol (selective)
Nesiritide (BNP)
Tolerance
37. NSAID available orally - IM and ophthalmically
Folic acid
Ketoralac
Mivacurium
Sodium channel blockers
38. Vancomycin MOA
Ticlopidine
Blocks peptidoglycan synthesis
Clomipramine
inhibit phospholipase A2
39. Drugs used in the management of angina
Aspirin - Nitrates - CCB - and Beta blockers
Beta - blockers such as propranolol
Clozapine
Primaquine
40. Laboratory value required to be monitored for patients on valproic acid
41. The most toxic organophosphate
N- acetylcysteine
Fluorocarbons and Industrial solvents
Parathion
Nesiritide (BNP)
42. 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)
Nondepolarizing type antagonists
Amiodarone
Excessive CNS stimulation (seizures)
43. Amino acid derivative - active as an insulin secretagogue
Cocaine and benzocaine
Parathion
Maintenance dose (Cp*(CL/F))
Nateglinide
44. DOC for CMV retinitis
Ganciclovir
Midazolam
Enflurane and halothane
Reducing preload
45. Methylxanthine derivative used as a remedy for intermittent claudication
Ethanol - fomepizole
Letrozole - anastrozole
Phenytoin
Pentoxifylline
46. Some cell cycle non - specific drugs
Heparin induced thrombocytopenia (HIT)
Cocaine
Oxytocin - ergonovine and ergotamine
Alkylating agents (eg. - mechlorethamine - cyclophosphamide) - antibiotics (doxorubicin - daunorubicin) - cisplatin - nitrosourea
47. Fibrates (gemfibrozil) increase activity of
Lipoprotein lipase
Lupus - like syndrome
Overdose of opioids
LSD
48. Inhibit synaptic activity of primary afferents and spinal cord pain transmission neurons
Prostaglandin E1 (misoprostol) PGE2 - and PGF2alpha
Rhabdomyolysis
Ascending pathways
Cefuroxime (2nd) generation - Ceftazidime - Ceftriaxone
49. When the rate of drug input equals the rate of drug elimination
Steady state
Temazpam - trizolam - flurazepam
SEVERE myelosuppression
Naltrexone
50. Regimen used for non - Hodgkin's lymphoma
Inhaled anesthetics - especially isoflurane - aminoglycosides - and antiarrhythmic
CHOP (cyclophosphamide - doxorubicin - vincristine - and prednisone) plus rituximab
Blocks peptidoglycan synthesis
Repaglinide