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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. Proteins that prevent action of tumor necrosis factor alpha (TNF- alpha)
Adalimumab - infliximab and etanercept
Erythropoietin
Succinylcholine
Alkalinize urine - dialysis
2. Somatostatin (SRIF) analog used for acromegaly - carcinoid - glucagonoma and other GH producing pituitary tumors
Octreotide
Use in IgE mediated allergic reaction
L- thyroxine (T4)
Olanzapine - aripiprazole - and sertindole
3. The elimination of drug that occurs before it reaches the systemic circulation
Sodium channel blockade
Carbenicillin - piperacillin and ticarcillin
First pass effect
Penicillamine
4. Nitrate used for acute anginal attacks
Chloramphenicol
Alkylating agents (eg. - mechlorethamine - cyclophosphamide) - antibiotics (doxorubicin - daunorubicin) - cisplatin - nitrosourea
Nitroglycerin sublingual tablets
Esmolol
5. Patients being treated with lithium - who are dehydrated - or taking diuretics concurrently - could develop
Stimulate PPAR- gamma receptor to regulate CHO and lipid metabolism
Lithium toxicity
Cimetidine - ketoconazole - erythromycin - isoniazid and grapefruit
Volume of distribution (VD)
6. Maximum response achieveable from a drug
Flumazenil
Aldehyde dehydrogenase
Efficacy
Cp
7. Skeletal muscle agent that can block muscarinic receptors
GI bleeding
Liver enzyme INDUCTION
Mast cell stabilizer
Pancuronium
8. DOC for influenza A
Flatulence (do not use beano to tx) - diarrhea - abdominal cramps
Decrease arterial blood pressure
Yohimbine
Amantadine
9. Prostaglandin used in the treatment of impotence
Ondansetron - granisetron - dolasetron and alosetron
Alprostadil
Clomipramine - fluoxetine and fluvoxamine
lispro insulin - aspart insulin - glulisine insulin
10. Antiestrogen drugs used for fertility and breast cancer respectively
Clomiphene and tamoxifen
Ortho - Evra
Decreases hepatic glucose production and intestinal glucose absorption; increase insulin sensitivity
Vitamin K or fresh frozen plasma
11. Common side effect of Rifampin
Ipodate
Calcium
Red urine discoloration
Lipoprotein lipase
12. Receptors for serotonin (5HT-1) are located
Nicotine
Glyburide - glipizide - glimepiride - etc.
Mostly in the brain - and they mediate synaptic inhibition via increased K+ conductance
Succinylcholine
13. Most useful in patients with significant anxiety - phobic features - hypochondriasis - and resistant depression
ACE inhibitors
Affect calcium - potassium - and sodium channels
Monamine oxidase inhibitors
Ethanol
14. SE of heparin
Quetiapine
Valproic acid - carbamazepine - phenytoin and gabapentin
Fentanyl
Heparin induced thrombocytopenia (HIT)
15. Reason troglitazone was withdrawn from market
Octreotide
Alprostadil
Bind ergosterol in fungal cell membrane
Hepatic toxicity
16. Drug of choice for leprosy
Dapsone - rifampin and clofazimine combination
Prostaglandin PGF2a
block SLUD (salivation - lacrimation - urination - defecation
Inhibits thyroid hormone synthesis by blocking iodination of the tyrosine residues of thyroglobulin
17. Digoxin toxicity can be precipitated by
Lepirudin
Hypokalemia
Aminoglutethimide
Zileuton
18. SE of Aspirin
Thiopental
GI bleeding
Rheumatic disease
Methicillin - nafcillin - and dicloxacillin
19. Leads to respiratory depression progressing to coma and death
Rhabdomyolysis and Hepatotoxicity
Overdose of opioids
ORAL vancomycin
Hypertrichosis
20. Most common side effect of 1st generation antihistamines
Penicillamine
Acarbose
Bromocriptine
Sedation
21. MOA of class IV antiarrhythmics
Calcium channel blockers
Tolerance
Estrogen
Gynecomastia
22. Primary endogenous substrate for Nitric Oxidase Synthase
Nesiritide (BNP)
Arginine
Ethanol - Barbiturates - and Benzodiazepines
Ribavirin
23. Dose which is lethal to 50% of the population
Morphine and fentanyl
Insulin
Bethanechol
LD50
24. Moderate opioid agonists
Administration of Vit. B6 (pyridoxine)
Vancomycin
Flatulence (do not use beano to tx) - diarrhea - abdominal cramps
Codeine - hydrocodone - and oxycodone
25. Syndrome of hypersecretion of gastric acid and pepsin usually caused by gastrinoma; it is associated with severe peptic ulceration and diarrhea
Valproic acid and Phenytoin
Zollinger - Ellison Syndrome
Beta blockers
Phenoxybenzamine
26. Antidote used for acetaminophen (APAP) toxicity
Buspirone
N- acetylcysteine (Mucomyst)
Coma - Convulsions - Cardiac problems (arrhythmias and wide QRS)
Amphetamines
27. Hyperglycemic agent that increases cAMP and results in glycogenolysis - gluconeogenesis - reverses hypoglycemia - also used to reverse severe beta - blocker overdose and smooth muscle relaxation
Cardiac dysfunction - photosensitivity - skin (blue smurf syndrome) - Pulmonary fibrosis - thyroid and corneal deposits
Glucagon
Thioridazine
Combination oral contraceptives (OC)
28. SE of ergot alkaloids
Cyanocobalamin (Vit B12)
Metronidazole
Fluorocarbons and Industrial solvents
Hallucinations resembling psychosis
29. Inhibitors of catechol - O- methyltransferase (COMT) - used as adjuncts in Parkinson's dx and cause acute hepatic failure (monitor LFT's)
Somatrem
Dimenhydrinate - meclizine - and other 1st generation
Entacapone and Tolcapone
Hydroxychloroquine
30. Beta 2 agonist toxicity
Acetazolamide
Skeletal muscle tremor - tachycardia
Rescue therapy
Physostigmine
31. Antidepressant associated with seizures and cardiotoxicity
Maprotiline
100% O2 and hyperbaric O2
Inhibition of protein synthesis at the 50s subunit of ribosome
EOS
32. SE of phenytoin
Dexamethasone suppression test
Cocaine and benzocaine
Dantrolene
Gingival hyperplasia
33. IV Drug used Hypertensive Crisis
Nitroprusside
Stevens - Johnson syndrome
Aspirin irreversibly inhibits cyclooxygenase
Diazepam - Flurazepam - chlordiazepoxide - and clorazepate
34. Agent that is metabolized to acetaldehyde by alcohol dehydrogenase and microsomal ethanol - oxidizing system (MEOS)
Repaglinide
Ethanol
Esmolol
Metformin
35. ACE inhibitors are contraindicated in
pregnancy and with K+
Quetiapine
Risperidone
Geriatrics due to its CNS (depression) effects
36. This beta blocker is the longest acting
LFT's
Ipratropium
Nadolol
Pralidoxime - atropine
37. Common SE of sulfonylureas - repaglinide - and nateglinide
Cytomel
100% O2 and hyperbaric O2
Hypoglycemia
Clopidogrel and ticlopidine
38. Ability to bind reversibly to the same site as the drug and without activating the effector system
Cocaine 'super - speed'
Nadolol
Most are thought to act at GABA- A receptor - chloride channel
Competitive antagonist
39. Concentration in the plasma times (clearance divided by bioavailability)
Gynecomastia hyperkalemia - and impotence
Bupropion
Maintenance dose (Cp*(CL/F))
Tolerance
40. A hormone whose mechanism of action (MOA) utilizes intracellular receptors
Bromocriptine
Deferoxamine
Thyroid and steroid hormones
Probenecid and sulfinpyrazone
41. Drugs decrease intestinal absorption of cholesterol
Bile acid - binding resins
Inhibit Na+/Cl - cotransport
Pyridostigmine
Partial agonist
42. Dopamine agonist used in hyperprolactinemia
Bromocriptine
Hyperkalemia
Salmeterol
Clomipramine
43. Anti - arrhythmics that decrease mortality
Insulin
B- blockers
Alprazolam and Clonazepam
Tamoxifen
44. The fraction of administered dose of a drug that reaches systemic circulation
Bioavailability (F)
Nandrolone - oxymetholone - and oxandrolone
Naloxone
Diazepam
45. Produce mydriasis and cycloplegia
Tolerance
Mast cell stabilizer
Atropine - homatropine - C1208 tropicamide
Chlordiazepoxide and Diazepam
46. These LA's have surface activity
Atracurium
Cocaine and benzocaine
Prednisone
Kidneys
47. Osmotic diuretic used to treat increased intracranial pressure
Calcitonin (salmon prep)
Naloxone
Radioactive iodine
Mannitol
48. Important in muscle and adipose tissue for glucose transport across muscles and TG storage by lipoprotein lipase activation
Propoxyphene
Muscarinic blockade (dry mouth - constipation); weak alpha -1 block (orthostatic hypotension); weak hisamine block (sedation)
GLUT 4
Hypertrichosis
49. Secondary amines that have less sedation and more excitation effect
Phase I
Dipyridamole
Nortriptyline - Desipramine
Normal C- peptide
50. Newer atypical antipsychotics that also improve some of the negative symptoms and help acute agitation
Diphenhydramine and cimetridine - respectively
Most are thought to act at GABA- A receptor - chloride channel
Olanzapine - aripiprazole - and sertindole
Ferrous sulfate