A 7-year-old girl is brought to a clinic in a ...
I don't understand what the question is asking... can someone please explain it to me?
Patient doesnt eat protein, shes chubby. What does methionine have to do with this?
Just basically asking which is essential amino acids.
Essential amino acids (something i came up with)
1. "Three HAL fans will try meth"
a. Threonine = Three
b. Histidine; Arginine; Lysine = HAL
c. Phenylalanine = fans
d. Valine; Isoleucine; Leucine = will
e. Tryptophan = try
f. Methionine = meth
They're saying there is a lack of good quality protein -> slight nutritional deficiency. She may have acquired weight but it's not because of protein. So they're specifically asking what amino acid she might be missing due to her subpar diet. Since essential amino acids are those that the body cannot make itself, out off those listed, methionine is the essential amino acid. It's on page 81 of FA 2019.
correct me if I'm wrong please :)
For anyone confused trying to follow @usmleuser007's comment --
Essential amino acids mnemonic "Ah, Three fans will try meth"
Ah = arginine, histidine
Three = Threonine
Fans (phans)= Phenylalanine
Vil (Will -- German accent pronouncing English word 'will') = valine, isoleucine, leucine, lysine
Try = tryptophan
Meth = Methionine
That’s a legendary explanation. Thanks dude!
Thanks! Good mnemonic
Pg 81 Tyrosine is listed as an essential AA. Should be tryptophan for those who got this wrong like me.
But tyrosine can come from phenylalanine, so it's not really essential right?
in FA2019, it is listed as Tryptophan, not Tyrosine. That was corrected.
Note: Tyrosine is ONLY essential with PKU in children
bro FA2018 lists tyrosine as an essential AA. They played us.