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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 of class I A (eg. Procainamide) - class IB (eg. Lidocaine) - and class IC (eg. Flecainide) antiarrhythmics
Protamine sulfate
Mast cell stabilizer
Xanthine oxidase
Sodium channel blockers
2. SSRI indicated for premenstrual dysphoric disorder
Cyclophosphamide
IV diazepam for short term (acute) treatment; phenytoin for prolonged therapy
Fluoxetine (Sarafem)
Ethosuximide and valproic acid
3. Antidote used for cyanide poisoning
Adenosine
Nitrites
Gastric ulcers and GI Bleeding
Thick ascending limb
4. Distribution of histamine receptors H1 - H2 - and H3
Ultralente (humulin U)
Serum ammonia and LFT's
Smooth muscle; stomach - heart - and mast cells; nerve endings - CNS respectively
Raloxifene
5. MOA of drug or foods (grapefruit juice) that increase statin effect
Full agonist
Inhibit Cytochrome P450 3A4
Gynecomastia hyperkalemia - and impotence
Ethanol
6. Treatment of withdrawal syndrome involves
Sodium channel blockade
Long - acting sedative - hypnotic or a gradual reduction of dose - clonidine or propranolol
Naloxone
Point mutation
7. Anticoagulant of choice in pregnancy
Adrenal suppression and weaning slowly - respectively
Sumatriptan
Heparin
Nesiritide (Natrecor)
8. Orthostatic hypotension and QT prolongation
Apraclonidine - brimonidine
prolongs QT and PR interval
Atenolol - acebutolol - and metoprolol
Low potency phenothiazines and ziprasidone
9. SE of hydroxychloroquine
Leucovorin
Classic
Retinal destruction and dermatitis
Buspirone
10. Withdrawal from this drug causes lethargy - irritability - and headache
Caffeine
Dantrolene
Glyburide - glipizide - glimepiride - etc.
Megaloblastic anemia
11. THC is active ingredient - SE's include impairment of judgment - and reflexes - decreases in blood pressure and psychomotor performance occur
Esmolol
Marijuana
Miosis and constipation
Adenosine
12. MOA of Bisphosphonates
Tubocurarine
Hydralazine
Thiopental
Inhibits osteoclast bone resorption
13. Agents that inhibit acetaldehyde dehydrogenase
Diazepam - Flurazepam - chlordiazepoxide - and clorazepate
Disulfiram - metronidazole - certain sulfonylureas and cephalosporins
Paresthesias - alkalization of the urine (which may ppt. Ca salts) - hypokalemia - acidosis - and encephalopathy in patients with hepatic impairment
CNS depressants
14. Major effect of benzodiazepines on sleep at high doses
REM is decreased
Calcium channel blockers
Tetracaine and bupivacaine
Zollinger - Ellison Syndrome
15. Pneumonic for 3 zones of adrenal cortex
Changes in heart rate - blood pressure - respiration - body temperature - sweating - bowel signs - and pupillary responses
GFR
Glucocorticoids
Calcium channel blockers
16. Endogenous substances commonly interpreted as histamine - serotonin - prostaglandins - and vasoactive peptides
Serotonin syndrome
Spasmolytic drugs
Epinephrine
Autocoids
17. B- blockers that are more cardioselective
FOMEPIZOLE - used to prevent formation of toxic metabolites from methanol and ethylene glycol ingestion
Beta -1 selective blockers
Muscarinic blockers
Etidronate
18. SE of salicylates
Ortho - Evra
Tinnitus - GI bleeding
Aminocaproic acid
Inhibit Na+/Cl - cotransport
19. Pyrimidine analog that causes 'Thymine - less death' given with leucovorin rescue
SEVERE myelosuppression
Demeclocycline
5- flouracil (5- FU)
SSRI's - bupropion - and venlafaxine
20. The most common type of drug interaction of sedative hypnotics with other depressant medications
Phentolamine
sulfamethoxazole/ trimethoprim
Additive CNS depression
Potassium channel blockers
21. Pungent inhaled anesthetic which leads to high incidence of coughing and vasospasm
Desflurane
Cisplatin
Vancomycin - infusion at a slow rate and antihistamines
Ethosuximide and valproic acid
22. Drug that inhibits alcohol dehydrogenase and is used in ethylene glycol exposure
Leucovorin
Alpha1 agonists
Fomepizole
Nefazodone
23. Agent used in drug therapy of Parkinson's instead of Dopamine which has low bioavailability and does not cross the BBB
L- dopa
Hypertension
Atropine - pralidoxime (2- PAM)
Uterine contractions
24. Second generation sulfonylurea
Serum ammonia and LFT's
GABA- related targets
Leuprolide
Glyburide - glipizide - glimepiride - etc.
25. Agent that is the antidote for methanol overdose
Inhibiting dihydroorotate dehydrogenase which leads to decreased pyrimidine synthesis - decreased T cell proliferation and decreased antibody production by B cells
Primaquine
Pre - existing cardiac or renal disease
Ethanol - fomepizole
26. Used for Cushing's syndrome (increased corticosteroid)
Inhibits phosphodiesterase -5 - enhancing effects of nitric oxide - activated increases in cGMP
Liver enzyme INDUCTION
Dexamethasone suppression test
Aplastic anemia and renal toxicity
27. Most frequent route of metabolism
Morphine
Flumazenil
Odansetron
Hepatic enzymes
28. Antidote used for organophosphate/anticholinesterase poisoning
Atropine - pralidoxime (2- PAM)
LSD
Cholinesterase inhibitors
Hepatic toxicity
29. Acetaminophen only has
Ondansetron - granisetron - dolasetron and alosetron
Elderly patients
Thyroxine
Antipyretic and analgesic activity
30. Nitrate used to prevent further attacks
Beta - blockers
Positive Comb's test - depression
Oral and transdermal forms of nitroglycerin
Lispro (Humalog) - aspart - glulisine
31. Anti - seizure drugs used as alternative drugs for mood stabilization
Administration of Vit. B6 (pyridoxine)
Reduce the loss from area of injection
GI bleeding
Carbamazepine - gabapentin - lamotrigine - and valproic acid
32. SE of Aspirin
GI bleeding
Administration of Vit. B6 (pyridoxine)
Elderly patients
TD50
33. Agent that is teratogen and causes a fetal syndrome
Ethanol
Tertiary amines
Diazepam
Dobutamine and dopamine
34. These agents are used as antidiarrheal
SEVERE myelosuppression
Diphenoxylate - Loperamide
Peripheral neuritis and hepatitis
Hyperprolactinemia - menorrhea - galactorrhea - confusion - mood changes - decreased sexual interest - and weight gain
35. 5 alpha - reductase inhibitor used for benign prostatic hyperplasia (BPH) and male pattern baldness
Risperidone
2 to 3 weeks
Cosyntropin
Finasteride (Proscar and Propecia respectively)
36. DOC for influenza A
Mast cell stabilizer
Amantadine
Use in IgE mediated allergic reaction
Zero order kinetics
37. Agent used for closure of patent ductus arteriosus
Hydroxychloroquine
Mirtazapine
Atenolol - acebutolol - and metoprolol
Indomethacin
38. The ratio of the rate of elimination of a drug to its plasma concentration
Clearance (CL)
Deferoxamine
Inhibit Na+/Cl - cotransport
Long acting cholinesterase inhibitors
39. Treatment of myasthenia gravis
Tricyclic antidepressants (TCA)
Bromocriptine
Pyridostigmine
Zollinger - Ellison Syndrome
40. Disease caused by excess ergot alkaloids
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41. Routes of administration of heparin
Primaquine
inhibit phospholipase A2
Cimetidine
IV and IM (only LMW)
42. Inhibitors of CYP450
Carbidopa
Suramin
Cimetidine - ketoconazole - erythromycin - isoniazid and grapefruit
Inhaled anesthetics - especially isoflurane - aminoglycosides - and antiarrhythmic
43. Drug ofter used in combination with TNF - alpha inhitors for RA
Chemical esophagitis
Carboplatin
Methotrexate
Mechlorethamine
44. The most common neurologic abnormality in chronic alcoholics
Estogens increase maternal TBG
Thiopental
Peripheral neuropathy (also excessive alcohol use is associated with HTN - anemia - and MI)
Acyclovir; incorporated into viral DNA and chain termination
45. System that increases in activity with chronic ethanol exposure and may contribute to tolerance
Oral and transdermal forms of nitroglycerin
Panic attacks - social phobias - bulimia nervosa - and PMDD (premenstrual dysphoric disorder) - OCD
EOS
Tetracaine and bupivacaine
46. Some cell cycle specific anti - cancer drugs
Geriatrics due to its CNS (depression) effects
Thioridazine
Clomipramine - fluoxetine and fluvoxamine
Bleomycin - vinca alkaloids - antimetabolites (eg. - 5- FU - 6- MP - methotrexate - etoposide)
47. SE of OCs
Increased thromboembolic events
Indomethacin
Nitrous oxide
Aspirin
48. Local anesthetic with vasoconstrictive property - favored for head - neck - and pharyngeal surgery
Propranolol
Cocaine
Low - potency typical antipsychotics and clozapine
Naltrexone
49. Newer estrogen receptor antagonist used in advanced breast cancer
Blocks peptidoglycan synthesis
PGE1
Thioridazine
Toremifene (Fareston)
50. Alpha agonist used to produce mydriasis and reduce conjunctival itching and congestion caused by irritation or allergy - it does not cause cycloplegia
'On - off - phenomenon'
Phenylephrine
Ethanol
Pindolol and acebutolol