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Contributor score: 10
Yup you got it. AIS is a defect with the androgen receptor in target tissues, not with the hormones. AIS has the same presentation: Genotypically XY but has female external genitalia and male internal genitalia. This is most likely 5-alpha reductase deficiency.
Why is the IgG up then? Wouldn't that suggest a resolved infection? I get that kid is infected but I figured the IgG was a false result and that it would explain the labs.
Mother's IgG was transferred through placenta
Shouldn't the mother also be positive for IgM? I get that the baby has congenital CMV but I figured the mother should be infected as well to transmit the disease
I don't see where it says that gout is associated with kidney stones. Gout is more commonly caused by underexcretion than overproduction, yes? And this patient has renal insufficiency, yes? So if anything, they have LESS uric acid in the urine and are LESS likely to have stones. It's the reason they have gout to begin with (because it's out of the urine and into the blood).
This answer would make sense if the gout was due to overproduction but there is no evidence of that here. This isn't a very good question imo. Please lmk if I'm missing something here.
uric acid stones...
So potassium does not become diluted in SIADH?
I feel like I was overthinking this question so much for some reason!! C definitely makes the most sense but I was also wondering what would happen to potassium. Then I was thinking maybe the excess ADH would suppress aldosterone secretion and serum potassium concentration would actually be higher
@frijoles Aldosterone can adjust the K+ levels: too much water --> less aldosterone --> no excretion of K+, so this helps retain the K+ to a normal level. However, less aldosterone also means --> more excretion of Na+, so the hyponatremia is not corrected.
Oh! The article I found said that MRSA has been shown to colonize the saliva of bed bugs for up to like 15 days, and that they isolated MRSA from several specimens. Is it just more likely that the patient scratches it in since staph is e v e r y w h e r e ?
I mean it’s possible. The last review course I took said that it wasn’t associated with anything. It may be, but either way...same answer :)
So bedbugs can't transmit HIV. Cool. #whatareyou #anidiotsandwich
@frijoles - Hey if it makes you feel any better I put HIV too, with my reasoning being that they feed on blood...and HIV is transmitted via bodily fluids. Whoops!
Why would B be incorrect? I realize Broca is "technically lower" but A seems too low to be causing weakness of the lower 2/3 of the face? Am I missing something?
@breis, per UW: "a/w r. hemiparesis (face & UE) bc close to primary motor cortex"
B is also close to frontal eye field; eyes look toward the lesion
FA pg. 499
I incorrectly picked C. When answering this, Broca's "broken speech" was my first thought, but I figured a lesion causing a facial droop would have to involve the motor strip so I prioritized that and chalked up the speech issue to dysarthria (I understand this is more of a "slurred speech" than broken, abrupt speech, but again, I simply misprioritized concepts.). So for the record, Broca area is part of the motor cortex?