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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. Relates the amount of drug in the body to the plasma concentration
Prazosin - terazosin - doxazosin
Volume of distribution (VD)
Coma - Convulsions - Cardiac problems (arrhythmias and wide QRS)
Heparin induced thrombocytopenia (HIT)
2. Inhibit angiotensin - converting enzyme (ACE)
Streptokinase
Ipratropium
ACE inhibitors
Miosis and constipation
3. Metronidazole SE if given with alcohol
Disulfiram - like reaction
Sulfonamides
Hypoglycemia
Sedation
4. HIV antiviral class known to have severe drug interactions by causing inhibition of metabolism
Tertiary amines
Doxepin
Maprotiline
Protease inhibitors
5. Antidote used for cyanide poisoning
Nitrites
Cocaine
Morphine and fentanyl
GI bleeding
6. Permanently cures thyrotoxicosis - patients will need thyroid replacement therapy thereafter. Contraindicated in pregnancy
LD50
'dry as a bone - red as a beet - mad as a hatter - hot as a hare - blind as a bat'
Radioactive iodine
Nitroprusside
7. Chronic orthostatic hypotension can be treated with
Midodrine
Niacin
GFR
Methotrexate
8. SE of beta blockers
Prilocaine
Bradycardia - SEXUAL DYSFUNCTION - decrease in HDL - and increase in Triglycerols (TG)
PCP
Oral
9. This may enhance activity of local anesthetics
Sodium bicarbonate
Presynaptic mu - delta - and kappa receptors
Hyperkalemia
Long acting cholinesterase inhibitors
10. These agents increase cardiac output and may be beneficial in treatment of acute heart failure and some types of shock
Buspirone
Beta1 agonists
Acebutolol - atenolol - esmolol - metoprolol
Nefazodone
11. Beta - blockers should be used cautiously in
Interferon alpha
Naloxone (IV) - naltrexone (PO)
Asthma (bronchospastic effects) - diabetes (block signs of hypoglycemia) and peripheral vascular disease
Tubocurarine
12. Non ergot agents used as first - line therapy in the initial management of Parkinson's
Streptokinase
Enflurane and halothane
TD50
Pramipexole and ropinirole
13. Inhibits conversion of cholesterol to pregnenolone therefore inhibiting corticosteroid synthesis
Cefuroxime (2nd) generation - Ceftazidime - Ceftriaxone
Physostigmine
Aminoglutethimide
Deferoxamine
14. Selective Alpha 1 blocker used for hypertension - BPH - may cause first dose orthostatic hypotension
Clonazepam
Dapsone - rifampin and clofazimine combination
Prazosin - terazosin - doxazosin
Cyclophosphamide
15. Most common SE of fibrates
Nausea
Hepatic toxicity
Haloperidol or pimozide
Diazepam
16. Antiglaucoma organophosphate
Echothiophate
Ipratropium
Amphetamines
Lithium
17. Rate limiting step of alcohol metabolism
Pulse therapy
Calcium channel blockers
Aldehyde dehydrogenase
Autocoids
18. Local anesthetic with vasoconstrictive property - favored for head - neck - and pharyngeal surgery
Cocaine
Mannitol
Alkalinize urine - dialysis
Edema - mild anemia; interaction with drugs that undergo CytP450 3A4 metabolism
19. Chemical antagonists that bind to the inhibitor of ACh Estrace and displace the enzyme (if aging has not occurred)
Cholinesterase regenerators - pralidoxime
Seizures
Inhibit Cytochrome P450 3A4
Serotonin syndrome
20. 5 alpha - reductase inhibitor used for benign prostatic hyperplasia (BPH) and male pattern baldness
Warfarin (PT)
LFT's
Finasteride (Proscar and Propecia respectively)
Stimulates cGMP which leads to vascular smooth muscle relaxation
21. MOA of corticosteroids
Tolerance
Carmustine (BCNU) and lomustine (CCNU)
Benzodiazepines and calcium channel blockers
inhibit phospholipase A2
22. Anti - thyroid drugs
Methimazole and propylthiouracil (PTU)
Irreversibly blocking cyclooxygenase
Bioavailability (F)
Thioamides - iodides - radioactive iodine - and ipodate
23. Mast cells to reduce release of hisamine and inflammatory mediators
Epinephrine
Succinylcholine
Acebutolol - atenolol - esmolol - metoprolol
Clomipramine
24. Anti - seizure drugs used as alternative drugs for mood stabilization
Minimum alveolar anesthetic concentration (MAC)
Peripheral neuritis and hepatitis
Psychotic state - overdose causes agitation - restlessness - tachycardia - hyperthermia - hyperreflexia - and seizures
Carbamazepine - gabapentin - lamotrigine - and valproic acid
25. Occurs when sedative hypnotics are used chronically or at high doses
Buspirone
Cutaneous flush
Beta - blockers
Tolerance
26. Anti - biotic frequently used for chronic UTI prophylaxis
sulfamethoxazole/ trimethoprim
Disulfiram
Glucagon
Methotrexate
27. SE of Aspirin
GI bleeding
ED50
Scotch tape technique and mebendazole
Liver toxicity
28. SE of demeclocycline
Bone marrow and teeth discoloration for children under 8 years of age
Salmeterol
Benztropine - trihexyphenidyl
Glargine (Lantus) - detemir
29. CCB with predominate effect on arteriole dilation
Heparin induced thrombocytopenia (HIT)
Nifedipine
Bupropion
Aldehyde dehydrogenase
30. MOA of sildenafil (Viagra)
Pregnancy
Diphenoxylate - Loperamide
Inhibits phosphodiesterase -5 - enhancing effects of nitric oxide - activated increases in cGMP
Minocycline
31. Thiazolidinediones
Naloxone (IV) - naltrexone (PO)
Thioridazine
Nitroglycerin sublingual tablets
Pioglitazone - Rosiglitazone - Troglitazone (withdrawn/d from market)
32. MOA of nesiritide
Vitamin K and Fresh frozen plasma (FFP)
Indirectly increase intracellular calcium and cardiac contractility by inhibiting Na+/K+ ATPase
Isoflurane
Increasing sodium excretion and decreases arterial and venous tone
33. 'Date rape drug'
Radioactive iodine
Clonazepam
Insulin
Flunitrazepam (rohypnol)
34. MOA of drug or foods (grapefruit juice) that increase statin effect
sodium polystyrene sulfonate (Kayexalate)
Diethylstilbestrol (DES)
Inhibit Cytochrome P450 3A4
Dry cough - hyperkalemia
35. Clinical uses of these agents include treatment of HTN - angina - arrhythmias - chronic CHF - and selected post MI patients
Abciximab - tirofiban and eptifibatide
Mirtazapine
Beta blockers
Steroids
36. Drugs available in combination with metformin
Inhaled anesthetics - especially isoflurane - aminoglycosides - and antiarrhythmic
Glyburide - glipizide - and rosiglitazone
Amrinone and milrinone
Vancomycin - infusion at a slow rate and antihistamines
37. Inducers of Cytochrome P450 (CYP450)
Barbiturates - phenytoin - carbamazepine - and rifampin
Postural hypotension - reflex tachycardia - hot flashes - and throbbing headache due to meningeal artery dilation
Edrophonium
Naloxone
38. Fluoride released by metabolism of this inhaled anesthetic may cause renal insufficiency
Adriamycin (doxorubicin) +bleomycin - vinblastine +dacarbazine
Methoxyflurane
Erythromycin
Minoxidil
39. Can be effective for short term therapy of thyroid storm - but after several weeks of therapy causes an exacerbation of hyperthyroidism
Older antipsychotics
Dry cough - hyperkalemia
Iodide salts
Dextromethorphan - Codeine
40. SE of HMG COA reductase inhibitors
Osteopenia - impaired wound healing - inc. risk of infection - inc. appetite - HTN - edema - PUD - euphoria - psychosis - stria - thinning of skin
Cocaine
Rhabdomyolysis and Hepatotoxicity
Naloxone (IV) - naltrexone (PO)
41. HMG CoA reductase inhibitors are contraindicated in
First generation due to being more lipid - soluble
Pregnancy
Bupropion
Fluoxetine (Sarafem)
42. These LA's have surface activity
Bradykinin
Hydroxychloroquine
Cocaine and benzocaine
Dantrolene
43. Prostaglandins that cause abortions
Prostaglandin E1 (misoprostol) PGE2 - and PGF2alpha
Normal C- peptide
Erythropoietin
Cocaine 'super - speed'
44. Diuretic used to treat primary aldosteronism
Letrozole - anastrozole
Succinylcholine
Zileuton
Spironolactone
45. Activation of these receptors close Ca2+ ion channels to inhibit neurotransmitter release
Protamine sulfate
Tamsulosin (Flomax)
'dry as a bone - red as a beet - mad as a hatter - hot as a hare - blind as a bat'
Presynaptic mu - delta - and kappa receptors
46. Hyperglycemic agent that increases cAMP and results in glycogenolysis - gluconeogenesis - reverses hypoglycemia - also used to reverse severe beta - blocker overdose and smooth muscle relaxation
Deferoxamine
Increasing sodium excretion and decreases arterial and venous tone
Sedation
Glucagon
47. Drugs of choice for absence seizures
Buspirone
Aplastic anemia and renal toxicity
Codeine - hydrocodone - and oxycodone
Ethosuximide and valproic acid
48. Contraindications to use of atropine
Hydroxychloroquine
Zileuton
Infants - closed angle glaucoma - prostatic hypertrophy
Haloperidol
49. Alpha agonist used to produce mydriasis and reduce conjunctival itching and congestion caused by irritation or allergy - it does not cause cycloplegia
CNS stimulation; GI upset
Steroids
Phenylephrine
Osteopenia - impaired wound healing - inc. risk of infection - inc. appetite - HTN - edema - PUD - euphoria - psychosis - stria - thinning of skin
50. Major effect of benzodiazepines on sleep at high doses
SSRIs
NSAIDS
REM is decreased
high doses