blood plasma tbr

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Meredith92

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in tbr (chapter 3 passage 12 question 79) it says

Which of the following statements are true of both lymph and plasma
I. both contain chylomicrons after a meal
II. Both contain lymphocytes
III. both contain erythrocytes

the answer is I and II only

What I'm confused about is how they define plasma... in EK (i'm using SN2 so i'm doing EK w/ BR passages) it says that plasma contains the matrix of the blood which includes water ions urea ammonia proteins and other organic and inorganic compounds. The buffy coat contains white blood cells and the red blood cells are a diff component.

So I thought when a question asks about plasma it is asking about everything else besides for the buffy coat and RBCs.. but the TBR question makes it seem that plasma contains white and red blood cells... which way is the proper way to define plasma?
Thank you!
 
You are thinking of plasma as in a vile after it has been centrifuged. In your body, plasma is found in blood and blood has leukocytes
 
Ah okay, sorry that was probably a silly question... the centrifuged tube diagram in EK was just sticking in my head.
Thanks for your help!
 
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