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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. Used in pediatrics to maintain patency of ductus arteriosis
Bioavailability (F)
PGE1
Nephro and ototoxicity
Barbiturates - phenytoin - carbamazepine - and rifampin
2. Product of proinsulin cleavage used to assess insulin abuse
Estrogen
C- peptide
Methoxyflurane
ED50
3. Alpha agonist used to produce mydriasis and reduce conjunctival itching and congestion caused by irritation or allergy - it does not cause cycloplegia
PGI2 (epoprostenol)
Phenylephrine
Adrenal suppression and weaning slowly - respectively
Coma - Convulsions - Cardiac problems (arrhythmias and wide QRS)
4. Benzodiazepine that has efficacy against absence seizures and in anxiety states - such as agoraphobia
Mifepristone (RU-486)
Dipyridamole
Clonazepam
Timolol
5. Inhibitor of leukotrienes (LTD4) receptors and used in asthma
Zafirlukast and montelukast
5-7 days
Desflurane
GI bleeding
6. Use of this opioid with MAOI can lead to hyperpyrexic coma - and with SSRI's can lead to serotonin syndrome
Hyperuricemia - hypokalemia and ototoxicity
Meperidine
Clomipramine - fluoxetine and fluvoxamine
Haloperidol or pimozide
7. DOC for tx of pseudomembranous colitis
Ceftriaxone or cefuroxime
Metronidazole
Tamsulosin (Flomax)
Lithium toxicity
8. Two toxicities of aminoglycosides
Skeletal muscle tremor - tachycardia
Ketoconazole
Decreases protein synthesis by inhibiting 30S ribosome
nephro and ototoxicity
9. Major SE of zileuton
Chlorpropamide - tolbutamide - tolazamide - etc.
Liver toxicity
Neostigmine
Ipodate
10. Meningitis prophylaxis in exposed patients
Hepatic toxicity
Oxytocin
Rifampin
Ethanol - Barbiturates - and Benzodiazepines
11. Most important potential SE of metformin
Nondepolarizing Neuromuscular Blockers
Lactic acidosis
Hepatic
Torsades de pointes
12. Antivirals associated with neutropenia
Ultralente (humulin U)
Depression of medullary and cardiovascular centers
Atropine
Ganciclovir - zidovudine - saquinavir - and interferon
13. Inhibitor of lipoxygenase
Infliximab
Halothane
Zileuton
Mirtazapine
14. Ability of a drug to produce 100% of the maximum response regardless of the potency
Neutro - leuko and thrombocytopenia
Protamine
Full agonist
Increasing afterload and tissue perfusion declines
15. MOA of nystatin
Bind ergosterol in fungal cell membrane
Hydroxychloroquine
lispro insulin - aspart insulin - glulisine insulin
Zolpidem - zaleplon
16. Common toxicities of cisplatin
Nephro and ototoxicity
Epinephrine
Esmolol
Oxytocin - ergonovine and ergotamine
17. Antidote used for benzodiazepine toxicity
Hypertensive crisis
Flumazenil
Dexamethasone suppression test
Protamine sulfate
18. Drug that selectively inhibits COX 2
Glargine (Lantus) - detemir
Celecoxib and rofecoxib
Block voltage - dependent sodium channels
Arteries and veins
19. Dose which is lethal to 50% of the population
LD50
Flunitrazepam (rohypnol)
Fludrocortisone and deoxycorticosterone
Folic acid
20. Agents for reduction of postpartum bleeding
Timolol (nonselective) - betaxolol (selective)
Streptokinase
Inhibit dihydropteroate synthase
Oxytocin - ergonovine and ergotamine
21. Agents used in Huntington's Disease
Severe hypertension
Tetrabenazine (amine depleting drug) - Haloperidol (antipsychotic)
Prostaglandin PGF2a
Ability to cross the placenta
22. Primary endogenous substrate for Nitric Oxidase Synthase
Adalimumab - infliximab and etanercept
Bupropion
Ipodate
Arginine
23. Agent that inhibits hepatic metabolism - is hepatotoxic and teratogen that can cause neural tube defects and gastrointestinal distress
Baclofen
Insulin
Indirectly increase intracellular calcium and cardiac contractility by inhibiting Na+/K+ ATPase
Valproic acid
24. Antipsychotic used in the treatment of psychiatric symptoms in patients with dementia
Risperidone
Increasing sodium excretion and decreases arterial and venous tone
Carmustine (BCNU) and lomustine (CCNU)
Retinal destruction and dermatitis
25. 'Date rape drug'
Flunitrazepam (rohypnol)
Methadone - followed by slow dose reduction
Magnesium sulfate
Adalimumab - infliximab and etanercept
26. Difference between COX 1 and COX 2
Calcitonin (salmon prep)
COX 1 is found throughout the body and COX 2 is only in inflammatory tissue
Propranolol
Reducing progression of heart failure (never use in acute heart failure)
27. SE of nesiritide
Excessive hypotension and kidney failure
Sodium bicarbonate
Nitrous oxide
Hepatic toxicity
28. Antidote used for warfarin toxicity
Vitamin K and Fresh frozen plasma (FFP)
Nitrous oxide
Reducing progression of heart failure (never use in acute heart failure)
Entacapone and Tolcapone
29. Inhibit angiotensin - converting enzyme (ACE)
ACE inhibitors
Cevimeline
6- mercaptopurine (6- MP)
Magnesium sulfate
30. What do beta cells in the pancreas produce?
Insulin
Sedation
Cocaine 'super - speed'
Osteoporosis - Paget's disease - and osteolytic bone lesions - and hypercalcemia from malignancy
31. Nitrosoureas with high lipophilicity - used for brain tumors
Carmustine (BCNU) and lomustine (CCNU)
Hydroxychloroquine
Ceftriaxone or cefuroxime
ACE inhibitors
32. Dose may need to be increased during pregnancy or with Ocs due to increased TBG in plasma
Nitrous oxide
Thyroxine
Ortho - Evra
Antipyretic and analgesic activity
33. Drug increases the renal clearance hence decreases levels of lithium
Barbiturates - phenytoin - carbamazepine - and rifampin
Topical mupirocin (Bactroban)
Theophylline
Pregnancy
34. SE of INH
Haloperidol or pimozide
Ethanol
Peripheral neuritis and hepatitis
Blocks peptidoglycan synthesis
35. Shock due to septicemia or myocardial infarction is made worse by
Aldehyde dehydrogenase
Selective inhibitor of microtubule assembly
Increasing afterload and tissue perfusion declines
Spironolactone
36. MOA of nateglinide
Sumatriptan
Flunitrazepam (rohypnol)
Fexofenadine - loratadine - and cetirizine
Insulin secretagogue - closes ATP- sensitive K+ channel
37. SE of phenytoin
Gingival hyperplasia - nystagmus - diplopia and ataxia
Stevens - Johnson syndrome
Ipratropium
Neuromuscular blocking drugs
38. DOC for RSV
Ribavirin
Depression of medullary and cardiovascular centers
Inhibits osteoclast bone resorption
Amphetamines
39. Inversely related to potency of anesthetics
Baclofen
Minimum alveolar anesthetic concentration (MAC)
Letrozole - anastrozole
Halothane and methoxyflurane
40. Prostaglandins that cause abortions
Alprazolam
Enflurane and halothane
Buprenorphine
Prostaglandin E1 (misoprostol) PGE2 - and PGF2alpha
41. MOA of repaglinide
Atenolol - acebutolol - and metoprolol
Rescue therapy
Insulin release from pancreas; faster and shorter acting than sulfonylurea
Rhabdomyolysis
42. Non - selective Beta - blocker also used for migraine prophylaxis
Probenecid and sulfinpyrazone
Xanthine oxidase
Propranolol
Naloxone
43. Window between therapeutic effect and toxic effect
Dantrolene
Infliximab
Therapeutic index
Propranolol
44. Oral antibiotic of choice for moderate inflammatory acne
Glucagon
Minocycline
Combination oral contraceptives (OC)
Gastric ulcers and GI Bleeding
45. Penicillins active against penicillinase secreting bacteria
Octreotide
Methicillin - nafcillin - and dicloxacillin
Doxepin
Vitamin K and Fresh frozen plasma (FFP)
46. Drugs decrease intestinal absorption of cholesterol
Hypoglycemia
Thick ascending limb
Bile acid - binding resins
high doses
47. Fluoride released by metabolism of this inhaled anesthetic may cause renal insufficiency
Methoxyflurane
L- dopa
Physostigmine
Beta blockers
48. Tolerance to all effects of opioid agonists can develop except
Aminocaproic acid
Miosis and constipation
Decreases protein synthesis by inhibiting 30S ribosome
St. Anthony's Fire
49. This agent used to treat dry mouth in Sj
Ceftriaxone
Ketoconazole
Cevimeline
Methimazole and propylthiouracil (PTU)
50. Toxic effect of anticancer drug can be lessened by rescue agents
lispro insulin - aspart insulin - glulisine insulin
Rescue therapy
Disulfiram
Decrease arterial blood pressure