Showing posts with label Pharmacology. Show all posts
Showing posts with label Pharmacology. Show all posts

Friday, April 19, 2013

USMLE 31



   A 60 year-old patient with long standing diabetes has a creatinine of 3.6, which has been stable for several years.
Which of the following antibiotics requires the most dosage modification in chronic renal failure?

A) Gentamycin.
B) Tetracycline.
c) Erythromycin.
D) Nafcillin.
E) Chloramphenicol.

Tuesday, March 27, 2012

Medical MCQ 41




Hypercyanoptic spell of T.O.F. is best treated with all of the following except:

a- Knee chest position.
b- Morphine.
c- Digoxin.
d- Propranolol.
e- Sodium bicarbonate.

Friday, March 16, 2012

Medical Case 65



a 1 year old infant is complaining of delayed sitting and repeated chest infection,on examination there is prominent costochondral junction, he is exclusively breast fed, He received multiple injections for treatment of his condition.

All of the following are expected complication for his condition except:
1. anorexia .
2. vomiting .
3. oliguria .
4. nephrocalcinosis
.




Wednesday, January 25, 2012

USMLE 17




A dentist asks you to evaluate a 42-year-old woman before tooth extraction.

1-Which of the following would prompt you to prescribe prophylactic antibiotics?

a) Midsystolic click at the left sternal border.
b) Insulin dependent diabetes.
c) a prior history of infective endocarditis.
d) a history of conestive heart failure.
e) S4 gallop.




2- Which of the following is the prophylactic antibiotic of choice for dental procedures?
a) Amoxicillin.
b) Cephalexin.
c) Penicillin.
d) Vancomycin.
e) Clindamycin.


3-  In patients who aren't (IV) drug users and who don't have prosthetic valves.
Which of the following organisms is the most common cause of bacterial endocarditis?
a) Enterococcus.
b) Sterptococcus.
c) Candida.
d) Gram negative bacilli.
e) Pseudomonas.



Monday, January 23, 2012

USMLE 16




A 47-year old man with diabetes and hypertension travels with his family to Mexico. The next morning after eating out at local restaurant and despite drinking bottled water, he develops severe crampy abdominal pain and watery, frequent diarrhea. 

Which of the following is the best approach for his care?
a) Penicillin x5 days.
b) Tetracycline x3 days.
c) Ciprofloxacin x3 days.
d) Metronidazole x10 days.
e) Observation of symptoms.


Tuesday, November 8, 2011

Medical MCQ 36



Digitalis glycosiedes are characterized by the following except:

a) Digitoxin is more lipid soluble than digoxin.
b) t 1\2 of digoxin is more than of digitoxin.
c) Plasma protein binding of digitoxin is more than that of digoxin.
d) Vd of digoxin is more than that of digitoxin.
e) Digoxin is mainly eliminated by kidney , While digitoxin is mainly eliminated by liver.

Sunday, September 11, 2011

Medical MCQ 32



Antiamoebic drugs include the following except:

a) Metronidazole.
b) Tinidazole.
c) Albendazole.
d) Dialoxanide furoate.

Tuesday, August 23, 2011

Medical MCQ 30



Which of the following is non-sedating anti-histaminic drug:
a) Chlorpheniramine.
b) Promethazine.
c) Astemizole.
d) Diphenhydramine.
e) Cyclizine.



Wednesday, August 3, 2011

Medical MCQ 26




One of the following drugs is used to treat Alzheimer's disease:

a) Hyoscine.
b) Pirenzepine.
c) Tacrine.
d) Dopamine.
e) Homatropine.




Thursday, July 28, 2011

Cardiology Case 5

A 64 years old retired headmistress presents to her GP with a 7 month history of severe dyspnea at rest, orthopnea & swelling of her ankles. She is on ttt for longstanding hypertension.

* Name 2 medications she may be taking which exacerbate her symptoms.
* Name 2 medications which are most suitable for this lady.





Friday, July 15, 2011

True or False Question 6


Digoxin is a recognized cause of ventricular arrhythmia.        ( T / F )






Friday, July 8, 2011

Cardiology MCQ 8



Q: Prolonged administration of the following anti-arrhythmic drug may cause pulmonary fibrosis:

a) Bretylium
b) Procainamide.
c) Verapamil.
d) Amiodarone.
e) Lidocaine.


Tuesday, June 21, 2011

USMLE 3


   A 30 years old American- African woman with type 1 DM and hypertension comes to the physician's office after obtaining a positive result from a home pregnancy test. She takes insulin and enalapril. She doesn't use tobacco, alcohol or illicit drugs. Her temp. 37.2 C , Blood pressure is 130/80 mm Hg, pulse 72/min. and respiration 14/min. Physical examination is unremarkable. Her BUN is 18 mg/dl and creatinine 1.4 mg/dl. A repeat β -HCG test performed in the office confirms pregnancy. 

What is the most appropriate next step in management?
a) Stop enalapril and start furosemide.
b) Continue enalapril and add methyldopa.
c) Stop enalpril and start labetalol.
d) Stop enalapril and start losartan.
e) Contiue current therapy.




Monday, June 20, 2011

True or False Question 1


Hyperglycemia is a side effect of frusemide & diazoxide.          ( T or  F  )

Wednesday, June 1, 2011

Medical MCQ 17


Q: Thiazolidinedione group of Medication is:

a) Glimepiride.
b) Voglibose.
c) Rosiglitazone.
d) Nateglinide.





Thursday, May 19, 2011

Case no.5


 A 3 years old boy came to the outpatient's clinic complaining of mild fever, runny, nose, malaise and vomiting. On throat examination there was hyperemia of the throat. 

What is the most likely medicine to be given? 

1-Oral Amoxicillin.
2- Paracetamol.
3- Multivitamin.
4-Acetylsalicylic acid.

Case no.3



    A 10-month-old boy with tetralogy of Fallot is brought to the ED by his mother.According to the mother,shortly upon awakening this morning ,he suddenly turned blue,his eyes rolled up,and he began to hyperventilate .She placed him on knee-chest position ,and "blow in his face" but he didn't improve.He was brought to their ED ,in 100 % O2 mask. On examination ,he is very cyanotic.His pulse is 100,his respirations are labored and his O2 sat is 50%. No murmurs are heard on auscultation.His lungs are clear and his abdomen benign .He was scheduled for corrective heart surgery the following weak.

What should be included in the immediate medical management of this child?????


1-Adenosin IV
2-Dopamine Iv
3-Nitroprusside IV
4-Digoxin and furosemide
 

5-Morphine and propranolol.