عدد المساهمات : 2690نقاط : 4494السٌّمعَة : 9الجنس : علم بلدك : تاريخ الميلاد : 03/04/1950تاريخ التسجيل : 30/07/2012العمر : 74 الموقع : السودان - سنارالعمل/الترفيه : طبيب عمومى وموجات صوتيةالساعة الان : دعائي :
موضوع: USMLE FREE QUIZ الإثنين فبراير 11, 2013 9:08 pm
Question from Pharmacology: --------------------------
What chemical should patients on cephalosporins avoid? - Alcohol including medicinal syrups that contain alcohol. ========= What toxin builds up in a disulfiram reaction? - Acetaldehyde. ---- What is the trade name for disulfiram? - Antabuse. =======
What actions on macrophages do gold salts have when taken up by the macrophages? - They suppress phagocytosis and they inhibit internal lysosomal enzyme activity ===== Is colchicine useful in treating other kinds of arthritis? - No, it is pretty specific; it pretty much just works on gout ======
What is the cell that is primarily involved in the Type 1 or immediate hypersensitivity reactions of the penicillins, the IgE-mediated reactions? - This would be the mast cell. =======
What is the definition of a hapten? - The hapten is a molecule that by itself is not antigenic but when it is hooked up with a carrier molecule becomes part of an antigenic complex. ===== Do cross-allergic reactions occur among the beta lactam antibiotics, as in between the penicillins and the cephalosporins? - Yes, there is some cross-reactivity. ===== which bug requires the addition of Clavulanate? Staph aureus.
And what is the beta-lactamase inhibitor that is added to Ticar for covering Staph aureus? Clavulanate.
====== And what are two families of drugs, which are drugs of choice for Mycoplasma pneumoniae? Tetracyclines and Macrolides.
========= Two trade names for Doxycycline ? Vibramycin or VibraTabs.
========= Now, what newer class of drugs is a good alternative for panic attacks and phobia? 5-HT reuptake inhibitors, which are also known as Serotonin Reuptake Inhibitors.
============= What are 3 other 5-HT reuptake inhibitors (SRIs) that may be useful? Sertraline, Fluvoxamine, Paroxetine.
=========== And what are 3 Protease Inhibitors? Saquinavir, Ritonavir, Indinavir.
=============== what is the most feared reaction to penicillin? Anaphylactic shock.
And what are the 2 drugs of choice to be administered immediately for anaphylactic shock? Oxygen and epinephrine.
=========== what’s the trade name for Diphenhydramine? Benadryl.
========== Three trade names for Ampicillin? Omnipen, Principen, Unipen.
============= What particular GI problem has been associated with many antibiotics, and is associated in terms of the Penicillins, most frequently with Ampicillin (which is Omnipen, Principen, or Unipen)? Pseudomembranous colitis.
============ What’s the trade name for Metronidazole? Flagyl.
And the trade name for Acyclovir? Zovorax.
========= What is the second-line drug of choice for pseudomembranous colitis, but which may cause emergence of resistant enterococci in the gut? Vancomycin.
============= In osteomyelitis after a fracture, after a puncture such as a nail through a sneaker, or after orthopedic surgery, what four bugs are of most concern? Staph aureus, Enterobacter, Pseudomonas, and anaerobes such as Clostridium species.
In addition to drug therapy with Timentin, what is also often indicated in osteomyelitis? Surgical debridement of infected bone.
Now, which of these 2 is the quinolone that covers the Staph aureus, the Enterobacter, and the pseudomonas? Ciprofloxacin/Cipro.
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عدد المساهمات : 2690نقاط : 4494السٌّمعَة : 9الجنس : علم بلدك : تاريخ الميلاد : 03/04/1950تاريخ التسجيل : 30/07/2012العمر : 74 الموقع : السودان - سنارالعمل/الترفيه : طبيب عمومى وموجات صوتيةالساعة الان : دعائي :
موضوع: USMLE FREE QUIZ 
الإثنين فبراير 11, 2013 9:08 pm
