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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. Anti - arrhythmics that decrease mortality
Alprostadil
Dolasetron
B- blockers
Phenoxybenzamine
2. MOA of Leflunomide (newer agent)
G- CSF (filgrastim) and GM- CSF (sargramostim)
Dexrazoxane
Disulfiram - metronidazole - certain sulfonylureas and cephalosporins
Inhibiting dihydroorotate dehydrogenase which leads to decreased pyrimidine synthesis - decreased T cell proliferation and decreased antibody production by B cells
3. Class of anti - arrhythmics that has a pro - arrhythmic effect (CAST trial) - therefore are used as last line agents
Testosterone
Prostaglandin PGF2a
Class IC (flecainide - propafenone - moricizine)
Nortriptyline - Desipramine
4. Chronic high dose abuse of nicotine leads to
Ototoxicity
Zero order kinetics
Psychotic state - overdose causes agitation - restlessness - tachycardia - hyperthermia - hyperreflexia - and seizures
Somatrem
5. This beta blocker is the longest acting
Nadolol
Dexamethasone suppression test
Side - effect profile and prior pt response
Muscarinic blockade (dry mouth - constipation); weak alpha -1 block (orthostatic hypotension); weak hisamine block (sedation)
6. Reason troglitazone was withdrawn from market
Pulmonary embolism and DVT
Aplastic anemia and renal toxicity
Hepatic toxicity
Reduce the loss from area of injection
7. Non - steroidal estrogen agonist causes clear cell adenocarcinoma of the vagina in daughters of women who used it during pregnancy
Primaquine
Somatrem
Increase the DURATION of GABA- mediated chloride ion channels
Diethylstilbestrol (DES)
8. Anti - estrogen used for estrogen receptor + breast cancer
Inhibits osteoclast bone resorption
Tamoxifen
Hydration and mercaptoethanesulfonate (MESNA)
Hyperuricemia - hypokalemia and ototoxicity
9. Cause dizziness - tachycardia - hypotension - and flushing
Alprazolam
Rebound HTN - sedation - dry mouth
Organic nitrites
Zollinger - Ellison Syndrome
10. MOA of class III antiarrhythmics
Competitive antagonist
Potassium channel blockers
Hypertension
Dolasetron
11. MOA of tetracycline
sodium polystyrene sulfonate (Kayexalate)
Decreases protein synthesis by inhibiting 30S ribosome
Beta blockers
Ribavirin
12. Agent used for acute muscle spasm
Glucagon
Cyclobenzaprine
Ganirelix
Increasing afterload and tissue perfusion declines
13. Class of antibiotics that have 10% cross sensitivity with penicillins
sulfamethoxazole/ trimethoprim
Antithrombin 3
Cephalosporins
Gynecomastia
14. Agent used in drug therapy of Parkinson's instead of Dopamine which has low bioavailability and does not cross the BBB
Mast cell stabilizer
Midodrine
L- dopa
Amiodarone
15. Benzodiazepine used for anxiety
Indirectly increase intracellular calcium and cardiac contractility by inhibiting Na+/K+ ATPase
Alprazolam
Class IC (flecainide - propafenone - moricizine)
Cyanocobalamin (Vit B12)
16. SE for Lamotrigine
Protease inhibitors
Stevens - Johnson syndrome
Acetazolamide
Respiratory failure
17. DOC for status epilepticus
Gingival hyperplasia - nystagmus - diplopia and ataxia
Dantrolene
Diazepam
Rhabdomyolysis and Hepatotoxicity
18. CCB contraindicated in CHF
Potential for development of Reye's syndrome
Decreases protein synthesis by inhibiting 30S ribosome
Cocaine
Verapamil
19. NSAID contraindicated in gout
Acarbose
Aspirin
Methotrexate
Topical mupirocin (Bactroban)
20. Antidote for tissue plasminogen activator (t - PA) - streptokinase
Vancomycin - infusion at a slow rate and antihistamines
Bradycardia - SEXUAL DYSFUNCTION - decrease in HDL - and increase in Triglycerols (TG)
nephro and ototoxicity
Aminocaproic acid
21. Benzodiazepine that has efficacy against absence seizures and in anxiety states - such as agoraphobia
Glucagon
Pulmonary embolism and DVT
Clonazepam
ORAL vancomycin
22. Reduced seizure threshold
Cosyntropin
Low - potency typical antipsychotics and clozapine
Primaquine
Rheumatic disease
23. MOA of AGI's
inhibits Na+/K+/2Cl - cotransport
Mechlorethamine
Hypokalemia
Act on intestine - delay digestion and absorption of glucose formed from digestion of starch and disacchrides
24. Prolonged exposure to this inhaled anesthetic may lead to megaloblastic anemia
Na+/K+ exchange
Clozapine
Methimazole and propylthiouracil (PTU)
Nitrous oxide
25. Drug used for MRSA
Use in IgE mediated allergic reaction
Vancomycin
Interleukin 11 (oprelvekin)
Imipramine
26. Anti - psychotics available in depot preparation
Islets of Langerhans
Fluphenazine and haloperidol
Flutamide (Eulexin)
Edema - mild anemia; interaction with drugs that undergo CytP450 3A4 metabolism
27. Chemical antagonists that bind to the inhibitor of ACh Estrace and displace the enzyme (if aging has not occurred)
Esmolol
Amphetamines
Cholinesterase regenerators - pralidoxime
Adalimumab - infliximab and etanercept
28. Partial opioid agonist - considered a strong analgesic - has a long duration of action and is resistant to naloxone reversal
Buprenorphine
Nausea
Uterine contractions
Lupus - like syndrome
29. Aromatase inhibitor used in breast cancer
Letrozole - anastrozole
Indomethacin
Marijuana
Gastric ulcers and GI Bleeding
30. Barbiturates may precipitate this hematologic condition
EOS
Acute intermittent porphyria
Hypertensive crisis
Epinephrine
31. Cholinomimetics that increase outflow - open trabecular meshwork - and cause ciliary muscle contraction
Pilocarpine - carbachol - physostigmine
Diphendydramine
Streptokinase
Zollinger - Ellison Syndrome
32. Diuretic used to treat primary aldosteronism
Dobutamine
Nicotine
Aldehyde dehydrogenase
Spironolactone
33. Activation of these receptors close Ca2+ ion channels to inhibit neurotransmitter release
Neutro - leuko and thrombocytopenia
Presynaptic mu - delta - and kappa receptors
Glucagon
Tamsulosin
34. Beta 1 agonists used in acute CHF
Caffeine
Infliximab
Amitriptyline
Dobutamine and dopamine
35. Pungent inhaled anesthetic which leads to high incidence of coughing and vasospasm
nephro and ototoxicity
Fomepizole
Tubocurarine
Desflurane
36. DOC for RSV
Alkylating agent
Valproic acid and Phenytoin
Ribavirin
Megaloblastic anemia
37. Fluoride released by metabolism of this inhaled anesthetic may cause renal insufficiency
Methoxyflurane
Beta -1 selective blockers
Noncompetitive antagonist
SSRIs
38. Chronic orthostatic hypotension can be treated with
Dopamine blockade
Insulin release from pancreas by modifying K+ channels
Digibind
Midodrine
39. Agent used to treat MI and to reduce incidence of subsequent MI
Benzodiazepines and calcium channel blockers
Clindamycin
Pulse therapy
Aspirin - metoprolol
40. ADH agonist used for pituitary diabetes insipidus
Cyproterone acetate
Desmopressin (DDAVP)
Work at early distal convoluted tubule
Glucagon
41. MOA for Valproic acid at high doses
Affect calcium - potassium - and sodium channels
Autocoids
Acebutolol - atenolol - esmolol - metoprolol
Aminocaproic acid
42. Microtubule inhibitor that causes peripheral neuropathy - foot drop (eg. ataxia) - and 'pins and needles' sensation
Competitive antagonist
Vincristine
Streptomycin
Suramin
43. Anti - seizure agent that exhibits non - linear metabolism - highly protein bound - causes fetal hydantoin syndrome - and stimulates hepatic metabolism
Kidney and liver toxicity - diarrhea
Ethanol
nephro and ototoxicity
Phenytoin
44. What do delta cells in the pancreas produce?
B- blockers
Gynecomastia and hyperkalemia
Reduce the loss from area of injection
Somatostatin
45. Antidepressant associated with neuroleptic malignant syndrome
Gingival hyperplasia - nystagmus - diplopia and ataxia
Uterine contractions
Potential for development of Reye's syndrome
Amoxapine
46. Proteins that prevent action of tumor necrosis factor alpha (TNF- alpha)
Stevens - Johnson syndrome
Stimulates cGMP which leads to vascular smooth muscle relaxation
Cefixime (3rd) generation
Adalimumab - infliximab and etanercept
47. Dopamine (DA) agonist (for Parkinson's disease) - used also for hyperprolactinemia
Bromocriptine
Nitrites
Inhibits osteoclast bone resorption
Nevirapine - amprenavir
48. SE for ticlopidine
Methimazole and propylthiouracil (PTU)
Neutropenia and agranulocytosis
Infants - closed angle glaucoma - prostatic hypertrophy
nephro and ototoxicity
49. Long acting insulin
Ultralente (humulin U)
N- acetylcysteine (Mucomyst)
Cisplatin
Nitroprusside
50. Antipsychotics that reduce positive symptoms only
Lispro (Humalog) - aspart - glulisine
Carvedilol
Older antipsychotics
Tricyclic antidepressants (TCA)