path q - nobegod027

[ArchivalUser]

A 50-year-old man is given intravenous methotrexate to treat his leukemia. 7 months later his speech begins to deteriorate, and a CT scan of the head reveals lesions in the left temporal lobe, right frontal lobe, and right parietal lobe. A diagnosis of leukemia metastatic to the central nervous system is made.Intravenous methotrexate was an inappropriate treatment because of the properties of which of the following cell types?

A.... ASTROCYTE
B...JG CELL
C... MICROGLIA CELL
D....OLIGODENDROCYTE
E....SCHWANN CELL

[ArchivalUser]

A- IMP. COMPONENT OF BBB AND WILL AFFECTED BEFOR OLIGODEND, GET AFFECTED,,,,,,MAY BE

[ArchivalUser]

WAOOO...@ raheem i think ure ready for this exam..

[ArchivalUser]

AA

Methotrexate does not cross BBB at standard dosage.

[ArchivalUser]

NO BUT COZ I GOT CRAZY COZ THE EXAME,,,,,,,THANK YOU FOR SUCH NICE Q

[ArchivalUser]

must say very good q and explanations... i learn so much everyday thanks to all of u.... good job!!!