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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. MOA for Valproic acid at high doses
Hepatotoxicity
Abstinence syndrome
Affect calcium - potassium - and sodium channels
Diazepam
2. Dose which is lethal to 50% of the population
Ribavirin
sulfamethoxazole/ trimethoprim
LD50
Acebutolol and atenolol
3. Vitamins containing iron should Not be taken simultaneously with levothyroxine because
Aminoglutethimide
Bradycardia - SEXUAL DYSFUNCTION - decrease in HDL - and increase in Triglycerols (TG)
Iron deiodinates thyroxine
Ticlopidine
4. Antiplatelet drug reserved for patients allergic to aspirin
Octreotide
Valproic acid and Phenytoin
Ticlopidine
Thick ascending limb
5. Reason ergot alkaloids are contraindicated in pregnancy
Enflurane and halothane
Uterine contractions
Raloxifene
Miosis and constipation
6. Sympathetic agent which stimulates heart rate and can dilate vessels in skeletal muscle at low doses
Epinephrine
Ethanol
high doses
Na+/K+ exchange
7. SSRI indicated for premenstrual dysphoric disorder
Ceftriaxone or cefuroxime
Primaquine
Cisplatin
Fluoxetine (Sarafem)
8. Used intravenously for acute arrhythmias during surgery
Terfenadine and astemizole (have been removed from the market)
Chemical esophagitis
LSD
Esmolol
9. SE of beta blockers
lispro insulin - aspart insulin - glulisine insulin
Naltrexone
Bradycardia - SEXUAL DYSFUNCTION - decrease in HDL - and increase in Triglycerols (TG)
Caffeine
10. Class of antibiotics that have 10% cross sensitivity with penicillins
Cephalosporins
Esmolol
Naloxone
Gabapentin
11. Inhaled anesthetic that may sensitize the myocardium to arrhythmogenic effects of catecholamines and has produced hepatitis
Albuterol
Amantadine
Halothane
Venlafaxine
12. Antidote used for iron salt toxicity
Cimetidine - ketoconazole - erythromycin - isoniazid and grapefruit
Beta - blockers such as propranolol
Deferoxamine
Lupus - like syndrome
13. Condition will result from in combination of MAOI with tyramine containing foods (ex. wine - cheese - and pickled meats)
Hypertensive crisis
Carbamazepine
Sotalol
Mostly in the brain - and they mediate synaptic inhibition via increased K+ conductance
14. Term for a high margin of safety
Decrease arterial blood pressure
Primaquine
High therapeutic index
Hepatic toxicity
15. MOA of class IV antiarrhythmics
Calcium channel blockers
Caffeine
Prostaglandin E1 (misoprostol) PGE2 - and PGF2alpha
Paresthesias - alkalization of the urine (which may ppt. Ca salts) - hypokalemia - acidosis - and encephalopathy in patients with hepatic impairment
16. These LA's have surface activity
Cocaine and benzocaine
PGE1
Digibind (also need to d/c digoxin - normalize K+ - and lidocaine if pt. Is arrhythmic)
Adriamycin (doxorubicin) +bleomycin - vinblastine +dacarbazine
17. COX 2 inhibitors should be used cautiously in pts with
Ethanol - fomepizole
Benzodiazepine receptor BZ1 (although do not have a benzodiazepine ring structure)
Calcitonin (salmon prep)
Pre - existing cardiac or renal disease
18. Agent that is the antidote for methanol overdose
Glucocorticoids
Pyridostigmine
Ethanol - fomepizole
Methadone - followed by slow dose reduction
19. Alpha - glucosidase inhibitor associated with elevation of LFT's
Acarbose
Dipyridamole
Nitroprusside
Maprotiline
20. NSAID used in gout
Indomethacin
Phentolamine
Calcitonin (salmon prep)
Protease inhibitors
21. Peakless ling acting insulin
Insulin glargine
Celecoxib
Amantadine
Calcium channel blockers
22. MOA of class I A (eg. Procainamide) - class IB (eg. Lidocaine) - and class IC (eg. Flecainide) antiarrhythmics
Sodium channel blockers
Tremor - sedation - ataxia - aphasia - thyroid enlargement - and reversible diabetes insipidus
Hypertrichosis
Pregnancy
23. SE for ganciclovir
Calcium channel blockers
Bromocriptine
Heroin - morphine - oxycodone - meperidine and fentanyl
Neutro - leuko and thrombocytopenia
24. Osmotic diuretic used to treat increased intracranial pressure
Epinephrine
Mannitol
Halothane
Desmopressin (DDAVP)
25. MOA of Leflunomide (newer agent)
Inhibiting dihydroorotate dehydrogenase which leads to decreased pyrimidine synthesis - decreased T cell proliferation and decreased antibody production by B cells
Heparin
Hydralazine
TD50
26. Drugs of choice for absence seizures
Increases concentration of Digoxin
Demeclocycline
Pregnancy
Ethosuximide and valproic acid
27. Selective Alpha 2 blocker used for impotence (controversial effectiveness)
Flunitrazepam (rohypnol)
Atenolol - acebutolol - and metoprolol
Yohimbine
Estrogen
28. Regimen used for breast cancer
Buspirone
NO - chloroform - and diethyl ether
CMF (cyclophosphamide - methotrexate - and fluorouracil) and tamoxifen if ER+
Tricyclic antidepressants (TCA)
29. Agent having no effect on D2 receptors - blocks D4 - reserved for resistant schizophrenia - and can cause fatal agranulocytosis
Insulin release from pancreas by modifying K+ channels
Potency
Clozapine
Mirtazapine
30. Anticancer drug also used in RA - produces acrolein in urine that leads to hemorrhagic cystitis
Halothane
Minimum alveolar anesthetic concentration (MAC)
Mirtazapine
Cyclophosphamide
31. Vitamin given with calcium to ensure proper absorption
EOS
Vitamin D
Diethylstilbestrol (DES)
Constipation - edema - and headache
32. Epinephrine is often mixed with a local anesthetic to
Reduce the loss from area of injection
Pralidoxime - atropine
Fomepizole
Diclofenac - ketoralac
33. Anti - microbials that cause hemolysis in G6PD- deficient patients
ACE inhibitors
Chlordiazepoxide and Diazepam
Disulfiram
Sulfonamides
34. DOC for RSV
Dextroamphetamines and methamphetamine
Peripheral neuritis and hepatitis
Oral
Ribavirin
35. Agent with long duration of action and is most likely to cause histamine release
Thioridazine
Hot flashes
Inhibit DNA gyrase
Tubocurarine
36. SE seen only in men with administration of ketoconazole
Skeletal muscle tremor - tachycardia
Ethosuximide and valproic acid
Gynecomastia
Dolasetron
37. HIV antiviral class known to have severe drug interactions by causing inhibition of metabolism
Protease inhibitors
Selegiline
IV administration
LSD
38. Type of kinetics when a constant percentage of substrate is metabolized per unit time
Carvedilol
Urinary acidification and activated charcoal or continual nasogastric suction
First order kinetics
Imipramine
39. Reason fluoroquinolones are contraindicated in children and pregnancy
Cartilage damage
Cocaine and benzocaine
Arginine
Nefazodone
40. Occurs when sedative hypnotics are used chronically or at high doses
Glucagon
Vitamin K or fresh frozen plasma
Nandrolone - oxymetholone - and oxandrolone
Tolerance
41. ABVD regimen used for HD - but appears less likely to cause sterility and secondary malignancies than MOPP
Adriamycin (doxorubicin) +bleomycin - vinblastine +dacarbazine
Partial agonist
Aminocaproic acid
Mirtazapine
42. Except for these agents all SSRI have significant inhibition of CytP450 enzymes
Adenosine
Citalopram and its metabolite escitalopram
Codeine - hydrocodone - and oxycodone
Dantrolene
43. Longer acting benzodiazepines used in the management of withdrawal states of alcohol and other drugs
Beta - blockers
Autocoids
Fluorocarbons and Industrial solvents
Chlordiazepoxide and Diazepam
44. NSAID that is used for acute condition - such as pre - op anesthesia and has limited duration (<5 days) of use due to nephrotoxicity
Ketoralac
Prednisone
Dextromethorphan - Codeine
Rebound HTN - sedation - dry mouth
45. MOA of both generations
Hydration and mercaptoethanesulfonate (MESNA)
Decrease arterial blood pressure
Insulin release from pancreas by modifying K+ channels
Nifurtimox
46. Maximum response achieveable from a drug
Degradation of fibrin clots and are administered IV
Spasmolytic drugs
Urinary acidification and activated charcoal or continual nasogastric suction
Efficacy
47. Phenylisopropylamines that are used legitimately and abused for narcolepsy - attention deficit disorder - and weight reduction
Amphetamines
Potential for development of Reye's syndrome
Angiotensin receptor
Ethanol - fomepizole
48. SE of lithium
Nitroprusside
Nefazodone
Tremor - sedation - ataxia - aphasia - thyroid enlargement - and reversible diabetes insipidus
Tamsulosin (Flomax)
49. Period of time of therapy after which GC therapy will need to be tapered
Pilocarpine
5-7 days
Albuterol
Na+/K+ exchange
50. What do delta cells in the pancreas produce?
Magnesium sulfate
Somatostatin
Indomethacin
Valproic acid and Phenytoin