10/2/12 Flashcards
What do the left and right ovarian vv. each drain to?
r: IVC; l: l. renal v.
What ligament delivers all the arteries, veins, and lymphatics of the ovary?
suspensory ligament
What kind of anemia can B6 deficiency cause?
sideroblastic: microcytic and hypochromic
What do you call the endothelin receptor antagonist used to tx primary pulmonary hypertension?
Bosentan
Carcinoembryonic antigen (CEA) is followed in patients w/ ________?
Colorectal carcinoma
An elderly person suffering from jaw claudication and morning stiffness is probably suffering from what two conditions that often go together?
temporal arteritis and polymyalgia rheumatica
An erosion of the gastric mucosa is defined as a lesion that does not extend to what layer?
muscularis mucosa
What are the layers of the stomach wall starting from the outside?
mucosa, muscularis mucosa, submucosa, muscularis propia, and serosa
How do amatoxins, such as that found in the death cap mushroom, cause cytotoxicity?
Halt mRNA synthesis by inhibitin RNA Pol II
What is a segmental, transmural, necrotic inflammation of medium- to small-sized arteries of any organ - most typically in the renal aa.?
PAN
What are the 2 most common cutaneous manifestations of PAN?
livedo reticularis and palpable purpura
Which anti-mycobacterial drug causes visual disturbances such as central scotoma, decreased visual acuity, and color blindness?
ethambutol
What is the moa of ethambutol?
prevents carbohydrate polymerization in mycobacterial cell wall, specifically inhibits ARABanosyl transferase. (The ARABs don’t like ethanol and they don’t like ETHAMBUTOL.)
What is the most common cause of a chronically widened pulse pressure w/ a heart murmur?
aortic regurgitation