March 14 test 2 Flashcards
What drugs are used for parkinson dz that inhibit metabolism of DA?
Selegiline and rasagiline–selectively inhibit MAO-B to increase DA availability
What immunosuppressant is used for kidney transplant rejection prophylaxis that binds to the IL-2 receptor on activated T-cells?
Daclizumab and basiliximab–monoclonal antibodies
What oral hypoglycemic drug is contraindicated in pts with HF and what is it MOA?
Thiazolidinediones–Pioglitazone/Rosiglitazone
–increase insulin sensitivity in peripheral tissue by binding to PPARg nuclear transcription regulator
How is t 1/2 of a drug calculated?
0.7x Vd/ CL
What is the 1st line tx for acute cholecystitis?
3rd generation Cephalosporin + metronidazole
What diuretic should be avoided in patients with hyperparathyroidism due to its ability to reabsorb Ca++?
Thiazides–enhance reabsorption of Ca++ in the distal convoluted tubule
What drug is contraindicated in pts with WPW?
Digoxin –can enhance transmission of impulses through accessory pathways by reentry or possible triggered membrane activity–leading to rapid ventricular rate or VFib
What diuretics are contraindicated in pts with sulfa allergy?
Thiazides and loops
What is Methimazole used for and what is a major side effect of it and how is it treated?
Similar to PTU and is used for hyperthyroidism
–can cause agranulocytosis–drug should be d/ced and pt should be given granulocyte colony-stimulating factor
What two antihypertensive drugs can cause dyslipidemia?
Metoprolol and thiazides
What drug used for chronic myelogenous leukemia (bcd-abl fusion) is associated with development of ascites, pulmonary effusion, pulmonary and peripheral edema and hepatotoxicity?
Imatnib
What receptors are in the uterus?
Alpha 1 and Beta 2
What is the only diuretic that will increase Na+ delivery to the macula densa and cause constriction of the afferent arterioles of the kidney?
Acetazolamide
What drug is used for tx of BPH and male pattern baldness and what is the MOA?
Finasteride–5a-reductase inhibitor–decreases the conversion of testosterone to DHT
What is the mechanism of action of benzodiazepines?
Facilitate GABAa action by increasing frequency of Cl- channel opening