Can someone please explain what happens when alveolar ventilation and C02 both double in excerise what happens to arterial 02?
Also, what stimulates VEGF?
hypoxia induces Hif--> increased VEGF
the answer choices were:
a) increase or decrease endostatin
b) increase/decrease po2
c) increase/decrease pC02
d) increase/decrease in thrombospondin
Q) A patient with ALL given methotrexate, what is the MOA of the drug?
a)DNA polyermase
d)adenosine deaminase
c)thymidylate synthase-methotrexate inhibits dihydrofolate reductase, no THF, no thymidilate synthase activity
d)HGPRT
e) Xanthine oxidase
Q) A 5 y.o girl developing breasts? Given an IV bolus of GNFH. What drug can be given to stop previous puberty?
I got this one wrong also, If a bolus of GnRH induces a >2 fold increase in LH/FSH, then the patient has central precocious puberty, which means that I think you can treat it with leuprolide
a)leuprolide
b) tamoxifen
c)spironolactone
d) ketoconazole
e) testosterone
f) progesterone
g) ACTH
h) hydrocortisone
Q) 60 yr old has pain, erthyema and swelling of the big toe. Which enzyme is defecient?
a) deficient aminotransferase
b) deficient HGPRT-can cause gout but is rare and would have other symptoms
c) glucose 6 phosphatase
d) glutathione peroxidase
e) no enyzme or renal defect
patient has gout. the vast majority of patients with gout don't have a bonafida enzyme/renal defect just a lifetime of delicious things like lobster, scotch, and purine filled bloody steaks
Thanks!