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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 thiazolindinediones
Sodium channel blockers
Stimulate PPAR- gamma receptor to regulate CHO and lipid metabolism
Methotrexate
Nesiritide (Natrecor)
2. Maximum response achieveable from a drug
Nadolol
Cephalosporins
Efficacy
Older antipsychotic agents - D2 receptors
3. MOA of nitrates
Dicyclomine - methscopolamine
Anterograde amnesia
Bile acid - binding resins
Relax vascular smooth muscle - at low doses dilate veins and at high doses dilate arterioles
4. Sedation is a common side effect of these drugs - they lower seizure threshold - uses include BAD - acute panic attacks - phobias - enuresis - and chronic pain and their overdose can be deadly
Interleukin 11 (oprelvekin)
Vitamin K or fresh frozen plasma
Tricyclic antidepressants (TCA)
Bleomycin
5. SE of nesiritide
Postsynaptic Mu receptors
Hyperprolactinemia - menorrhea - galactorrhea - confusion - mood changes - decreased sexual interest - and weight gain
Osteopenia - impaired wound healing - inc. risk of infection - inc. appetite - HTN - edema - PUD - euphoria - psychosis - stria - thinning of skin
Excessive hypotension and kidney failure
6. What do alpha cells in the pancreas produce?
Glucagon
Atracurium
Digoxin
Inhibit Cytochrome P450 3A4
7. Prevents thrombosis in patients with artificial heart valve
NSAIDS
Ganciclovir - zidovudine - saquinavir - and interferon
Elderly patients
Dipyridamole
8. Constant proportion of cell population killed rather than a constant number
Nondepolarizing type antagonists
Log - kill hypothesis
Hallucinations resembling psychosis
Valproic acid - carbamazepine - phenytoin and gabapentin
9. Agent used in shock because it dilates coronary arteries and increases renal blood flow
Sulfonamides
Dopamine
Fexofenadine - loratadine - and cetirizine
Fentanyl
10. This agent cause increased aqueous outflow
Pramipexole and ropinirole
Thrombocytopenia
Prostaglandin PGF2a
Ezetimibe (Zetia)
11. Side effect of sotalol
Excessive CNS stimulation (seizures)
Methimazole and propylthiouracil (PTU)
prolongs QT and PR interval
N- acetylcysteine
12. Orthostatic hypotension and QT prolongation
Low potency phenothiazines and ziprasidone
Labetalol and carvedilol
Reduce the loss from area of injection
Cerebral hemorrhage
13. Agents that inhibit acetaldehyde dehydrogenase
LD50
'On - off - phenomenon'
Protamine sulfate
Disulfiram - metronidazole - certain sulfonylureas and cephalosporins
14. Cephalosporin causes kernicterus in neonates
Bradycardia - SEXUAL DYSFUNCTION - decrease in HDL - and increase in Triglycerols (TG)
Insulin secretagogue - closes ATP- sensitive K+ channel
Baclofen
Ceftriaxone or cefuroxime
15. Antidote used for benzodiazepine toxicity
Flumazenil
Pregnancy
Use in IgE mediated allergic reaction
Bleomycin
16. SE of Aspirin
GI bleeding
Carvedilol
Pulse therapy
Calcitonin (salmon prep)
17. Leads to respiratory depression progressing to coma and death
Vancomycin
Overdose of opioids
Fluoxetine
Nadolol
18. Losartan and valsartan block
N- acetylcysteine (Mucomyst)
Alprostadil
2 to 3 weeks
Angiotensin receptor
19. Treatment of choice for organophosphate overdose
Atropine
Prednisone - methylprednisolone - prednisolone - and triamcinolone
ACE inhibitors
Succinylcholine
20. Strength of interaction between drug and its receptor
Naloxone (IV) - naltrexone (PO)
Affinity
NO - chloroform - and diethyl ether
Atropine - homatropine - C1208 tropicamide
21. Selective Alpha -1A blocker - used for BPH - but with little effect on HTN
Tamsulosin
C- peptide
Erythromycin
lispro insulin - aspart insulin - glulisine insulin
22. Newer alpha 2 agonist (apraclonidine and brimonidine) treat glaucoma by acting to
6- mercaptopurine (6- MP)
Reduce aqueous secretion
Niacin
Dipyridamole
23. Digoxin is used in
Atrial fibrillation and CHF
Angiotensin receptor
Peripheral neuritis and hepatitis
Ethanol or fomepizole
24. Partial opioid agonist - considered a strong analgesic - has a long duration of action and is resistant to naloxone reversal
Buprenorphine
Tricyclic antidepressants (TCA)
Timolol
Morphine and fentanyl
25. Barbiturates decrease the effectiveness of many other drugs via this pharmacokinetics property
Arteries and veins
Sulfonamides
Acebutolol - atenolol - esmolol - metoprolol
Liver enzyme INDUCTION
26. DOC for febrile seizures
GI bleeding
PGI2 (epoprostenol)
Phenobarbital
Normal C- peptide
27. Anti - emetics used in association with anti - cancer drugs that are 5- HT3 (serotonin receptor subtype ) antagonists
Cytomel
Buspirone
Isoflurane
Odansetron - granisetron
28. Produce mydriasis and cycloplegia
Cortisone and hydrocortisone (equivalent to cortisol)
Kidney and liver toxicity - diarrhea
Nesiritide (Natrecor)
Atropine - homatropine - C1208 tropicamide
29. Cystitis - postoperative bladder spasms - or incontinence
Oxybutynin - dicyclomine
Prostaglandin E1 (misoprostol) PGE2 - and PGF2alpha
Peripheral neuritis and hepatitis
Potassium channel blockers
30. Endogenous substances commonly interpreted as histamine - serotonin - prostaglandins - and vasoactive peptides
Autocoids
Tinnitus - GI bleeding
Antithrombin 3
Lithium toxicity
31. Antiarrhythmic effective in most types of arrhythmia
Amiodarone
Neutropenia and agranulocytosis
Cephalosporins
Glucagon
32. Major SE of insulin
Hypoglycemia
Selective inhibitor of microtubule assembly
Etidronate
Phenylephrine
33. Opioid antagonist that is given IV and had short DOA
Maprotiline
Nitroprusside
Naloxone
Organic nitrites
34. Weak opioid agonist - poor analgesic - its overdose can cause severe toxicity including respiratory depression - circulatory collapse - pulmonary edema - and seizures
Acetazolamide
Block voltage - dependent sodium channels
Propoxyphene
Valproic acid
35. Most frequent route of metabolism
Hepatic enzymes
Normal C- peptide
Nitrous oxide
Hyperuricemia - hypokalemia and ototoxicity
36. Some of SSRIs' therapeutic effects beside depression
Lithium
Hydroxychloroquine
Panic attacks - social phobias - bulimia nervosa - and PMDD (premenstrual dysphoric disorder) - OCD
Propofol
37. Slightly increased risk of breast cancer - endometrial cancer - heart disease (questionable) - has beneficial effects on bone loss
Lactic acidosis
Estrogen
Pindolol and acebutolol
N- acetylcysteine (Mucomyst)
38. Pyrimidine analog that causes 'Thymine - less death' given with leucovorin rescue
5- flouracil (5- FU)
Trazodone
G- CSF (filgrastim) and GM- CSF (sargramostim)
Ipratropium
39. Non - selective Alpha1blockers use to treat pheochromocytoma
Phenoxybenzamine
Uterine contractions
Reduce aqueous secretion
inhibit phospholipase A2
40. Inhaled anesthetics metabolized by liver enzymes which has a major role in the toxicity of these agents
Halothane and methoxyflurane
Corticosteroids
Serum ammonia and LFT's
Imipramine
41. Treatment of resistant pseudomembranous colitis
Bleeding
Alprazolam and Clonazepam
ORAL vancomycin
Thiopental
42. Longer acting benzodiazepines used in the management of withdrawal states of alcohol and other drugs
Betamethasone and dexamethasone
Cyanocobalamin (Vit B12)
Chlordiazepoxide and Diazepam
Somatrem
43. State of analgesia and amnesia produced when fentanyl is used with droperidol and nitrous oxide
Benzodiazepine receptor BZ1 (although do not have a benzodiazepine ring structure)
Midazolam
Nitroglycerin sublingual tablets
Neuroleptanesthesia
44. Side effects occuring in antipsychotics that block dopamine
Hyperprolactinemia - menorrhea - galactorrhea - confusion - mood changes - decreased sexual interest - and weight gain
Morphine and fentanyl
Hyperuricemia - hypokalemia and hyperglycemia
Toremifene (Fareston)
45. This agent has greater affinity for muscarinic receptors and used for postoperative and neurogenic ileus and urinary retention
Bethanechol
Estrogen
Mifepristone
FOMEPIZOLE - used to prevent formation of toxic metabolites from methanol and ethylene glycol ingestion
46. These LA's have surface activity
Cocaine and benzocaine
Decreased micro and macro vascular disease
Sermorelin
First order kinetics
47. Antiestrogen drugs used for fertility and breast cancer respectively
Diazepam
Thiopental
Methotrexate
Clomiphene and tamoxifen
48. Antidepressant associated with seizures and cardiotoxicity
Glucuronate - acetic acid - and glutathione sulfate
Flatulence (do not use beano to tx) - diarrhea - abdominal cramps
block SLUD (salivation - lacrimation - urination - defecation
Maprotiline
49. Inhaled anesthetic causes peripheral vasodilation
Sedation
Corticosteroids
Lactic acidosis
Isoflurane
50. Fibrates (gemfibrozil) increase activity of
Lipoprotein lipase
Aspirin irreversibly inhibits cyclooxygenase
Sodium bicarbonate
Prednisone - methylprednisolone - prednisolone - and triamcinolone