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Alkylating agents (merchlorethamine) (the other drugs listed are microtubule inhibitors) increase the risk of AML.

keycompany  Additionally, AML is the only answer choice that has multiple blast forms (myeloblasts, promyelocytes, etc.). ALL is characterized by a single blast form (lymphoblasts). +8  
seagull  CML has blasts too but they tend to favor mature forms. +3  
kash1f  You see numerous blast forms == AML, which is characterized by >20% blasts +2  
keycompany  The answer choices are all of lymphoid origin except for AML and Hodgkin Disease. We know Hodgkin Disease is a lymphoma (not leukemia) and would present with lymphadenoapthy. So the answer must be AML #testtakingstrategies +6  
impostersyndromel1000  @atstillisafraud thanks for mentioning the merchlorethamine increasing risk for AML, i was trying to make a connection with the drugs but couldnt. Had to lean on the test taking skills just like key company +  
sweetmed  Procarbazine is alkylating as well. +  


Why is the answer adenylyl cyclase? I looked in FA and I saw that GH uses the JAK2/STAT pathway and that IGF-1 uses the MAP Kinase pathway. Not sure how adenylyl cyclase plays into this.

pug_sheen  I think they are talking about the GHRH receptor on somatotrophs, which works through the cAMP pathway. +  
staygoodpupper  I don’t know how it relates to GH/IGF-1 in particular, but the question said there was a mutation in the alpha subunit of Gs, which activates adenylyl cyclase. +2  
kash1f  I agree the patient does have Acromegaly, but in the question it talked about how the patient had a mutation that prevented the GTPase activity of Gas. So Gs would be overactive --> excess adenylyl cyclase +4  
hyperfukus  ugh i was so excited too bc i thought i remembered jak stat epicfail +