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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. TCA with greatest sedation of this group - and marked antimuscarinic effects - used for sleep
Alprazolam
Doxepin
Neutropenia and agranulocytosis
Inhibits phosphodiesterase -5 - enhancing effects of nitric oxide - activated increases in cGMP
2. Heterocyclic antidepressants least likely to affect sexual performance - used for management of nicotine withdrawal - SE's include dizziness - dry mouth - aggravation of psychosis - and seizures
Phentolamine
CNS depressants
Bradykinin
Bupropion
3. Constant low dose of estrogen and increasing dose of progestin for 21 days (last 5 days are sugar pills or iron prep)
Succinylcholine
Buprenorphine
Phentolamine
Combination oral contraceptives (OC)
4. Alpha 1selective blockers
Neutro - leuko and thrombocytopenia
Barbiturates - phenytoin - carbamazepine - and rifampin
Dobutamine and dopamine
Prazosin - terazosin and doxazosin (- AZOSIN ending)
5. These agents are used as antitussive
Propranolol
Dextromethorphan - Codeine
Hypertensive crisis
Warfarin (PT)
6. Anti - emetics used in association with anti - cancer drugs that are 5- HT3 (serotonin receptor subtype ) antagonists
100% O2 and hyperbaric O2
Odansetron - granisetron
Gastric ulcers and GI Bleeding
Oxytocin
7. MOA and effect of nitric oxide
Clozapine
Zolpidem
Stimulates cGMP which leads to vascular smooth muscle relaxation
Oral and transdermal forms of nitroglycerin
8. Benzodiazepine receptor antagonist - it accelerates recovery from benzodiazepine overdose
C- peptide
Mivacurium
Alendronate - etidronate - risedronate - pamidronate - tiludronate - and zoledronic acid
Flumazenil
9. Neurotoxicity with isoniazid (INH) prevented by
Administration of Vit. B6 (pyridoxine)
Calcium channel blockers
Venlafaxine
Streptomycin
10. Well - tolerated and are first - line antidepressants
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11. Major SE of zileuton
Buspirone
Liver toxicity
Ketamine
Valproic acid
12. Agent used to treat chronic gout by increasing uric acid secretion and excretion
Probenecid and sulfinpyrazone
IV and IM (only LMW)
Aplastic anemia and acute hepatic failure
Clindamycin
13. Most important toxic effects of most local anesthetics
Hypoglycemia
Olanzapine - aripiprazole - and sertindole
Thiopental
CNS toxicity
14. 5HT-3 antagonist used in chemotherapeutic induced emesis
Ondansetron - granisetron - dolasetron and alosetron
Adenosine
Diclofenac - ketoralac
Prednisone
15. Skeletal muscle agent that undergoes Hofmann elimination (breaks down spontaneously)
Haloperidol or pimozide
Neostigmine
Minoxidil
Atracurium
16. Selective Alpha 2 blocker used for impotence (controversial effectiveness)
Yohimbine
Ethosuximide and valproic acid
Mannitol
Pamidronate - zoledronate - ibandronate
17. Prototype antagonist of H1 and H2 receptors
Diphenhydramine and cimetridine - respectively
Atracurium
inhibit prostaglandin synthesis by inhibiting cyclo - oxygenase (cox)
L- thyroxine (T4)
18. This may antagonize activity of local anesthetics
Acebutolol and atenolol
Venlafaxine
Hypercalcemia
Celecoxib
19. ADH agonist used for pituitary diabetes insipidus
Tamsulosin
Celecoxib
Selective inhibitor of microtubule assembly
Desmopressin (DDAVP)
20. Vitamin given with calcium to ensure proper absorption
Bind ergosterol in fungal cell membrane
Vitamin D
Stevens - Johnson syndrome
Minimum alveolar anesthetic concentration (MAC)
21. Reason benzos are used cautiously in pregnancy
Dry cough
Ability to cross the placenta
Risperidone
Rifampin
22. Drug causing depletion of substance P (vasodilator)
Capsaicin
Osteopenia - impaired wound healing - inc. risk of infection - inc. appetite - HTN - edema - PUD - euphoria - psychosis - stria - thinning of skin
Meperidine
Beta1 agonists
23. Cheap wide spectrum antibiotic DOC for otitis media
Insulin release from pancreas; faster and shorter acting than sulfonylurea
Aspirin
Amoxicillin
Insulin
24. Treatment of choice for organophosphate overdose
Spironolactone
Atropine
increase the FREQUENCY of GABA- mediated chloride ion channel opening
Timolol (nonselective) - betaxolol (selective)
25. Inhaled anesthetic that may sensitize the myocardium to arrhythmogenic effects of catecholamines and has produced hepatitis
Acebutolol - atenolol - esmolol - metoprolol
Pregnancy
Inhibit dihydropteroate synthase
Halothane
26. Treatment for opioid addiction
Methadone - followed by slow dose reduction
Valproic acid
5-7 days
Low potency phenothiazines and ziprasidone
27. Short acting Beta 2 agonists that is drug of choice in treatment of acute asthma but not recommended for prophylaxis
Gynecomastia and hyperkalemia
Prednisone
Albuterol
Labetalol and carvedilol
28. Beta - blockers should be used cautiously in
Estrogen
Reducing progression of heart failure (never use in acute heart failure)
Asthma (bronchospastic effects) - diabetes (block signs of hypoglycemia) and peripheral vascular disease
Temazpam - trizolam - flurazepam
29. Epinephrine is often mixed with a local anesthetic to
Beta blockers
Tizanidine
Carbamazepine
Reduce the loss from area of injection
30. Anti - progesterone used as abortifacient
Mifepristone (RU-486)
Valproic acid
CNS toxicity
G- CSF (filgrastim) and GM- CSF (sargramostim)
31. Class of drugs with ability to decrease the maximal response to an agonist
Noncompetitive antagonist
Ethanol - fomepizole
Heparin induced thrombocytopenia (HIT)
Aztreonam
32. Tolerance to all effects of opioid agonists can develop except
Thyroid and steroid hormones
Miosis and constipation
Tolerance
PTU
33. SSRI indicated for premenstrual dysphoric disorder
Fluoxetine (Sarafem)
Glargine (Lantus) - detemir
Leuprolide
Testicular cancer
34. Term for a high margin of safety
High therapeutic index
Esmolol
Reduce aqueous secretion
Older antipsychotics
35. Agents used in Huntington's Disease
Tetrabenazine (amine depleting drug) - Haloperidol (antipsychotic)
Sulfonamides
Potassium channel blockers
Sinus tachycardia and serious arrhythmias
36. The ratio of the rate of elimination of a drug to its plasma concentration
Clonidine - and methyldopa
Minocycline
Pre - existing cardiac or renal disease
Clearance (CL)
37. Except for these agents all SSRI have significant inhibition of CytP450 enzymes
Nevirapine - amprenavir
Clozapine
Citalopram and its metabolite escitalopram
Ezetimibe (Zetia)
38. The most important sign of withdrawal syndrome
Iodide salts
Excessive CNS stimulation (seizures)
Digoxin
Digibind
39. SE of clonidine
Rebound HTN - sedation - dry mouth
Ascending pathways
Erythropoietin
Fluoxetine
40. DOC for tx of pseudomembranous colitis
Tetrabenazine (amine depleting drug) - Haloperidol (antipsychotic)
Metronidazole
Ketamine
Degradation of fibrin clots and are administered IV
41. Drug used in exoerythrocytic cycle of malaria
Finasteride (Proscar and Propecia respectively)
Rebound HTN - sedation - dry mouth
'dry as a bone - red as a beet - mad as a hatter - hot as a hare - blind as a bat'
Primaquine
42. Anti - Parkinson's drug which increases intraocular pressure and is contraindicated in closed angle glaucoma
Nitrous oxide
PTU
Levodopa
Pre - existing cardiac or renal disease
43. Site of action of loop diuretics
Glyburide - glipizide - and rosiglitazone
B- blockers
Mechlorethamine
Thick ascending limb
44. Alternative anticoagulant used if HIT develops
Acarbose - miglitol
Prostaglandin PGF2a
Nausea
Lepirudin
45. These prevent the action of Ach at the skeletal muscle endplate to produce a 'surmountable blockade -' effect is reversed by cholinesterase inhibitors (ex. neostigmine or pyridostigmine)
Cocaine
Lithium toxicity
Inhibits osteoclast bone resorption
Nondepolarizing type antagonists
46. Leads to respiratory depression progressing to coma and death
Diazepam
Nifurtimox
Overdose of opioids
Lithium
47. Moderate opioid agonists
Codeine - hydrocodone - and oxycodone
Cocaine
Midazolam
Volume of distribution (VD)
48. Drug of choice for generalized anxiety disorder - Not effective in acute anxiety
Side - effect profile and prior pt response
Buspirone
Timolol (nonselective) - betaxolol (selective)
First pass effect
49. Drug used concurrently with toxic anticancer agents to reduce renal precipitation of urates
Labetalol and carvedilol
Allopurinol
Probenecid and sulfinpyrazone
Warfarin (PT)
50. Thrombolytics are used for
Nateglinide
Pulmonary embolism and DVT
Somatrem
Excessive hypotension and kidney failure