Working with the lab Flashcards
1
Q
amorphous crystals
A
if urine sits around too long at room temp
2
Q
fecal occult blood cards
A
only good for 2 weeks, then false positive
3
Q
ABGs/Ammonia
A
transport on ice
4
Q
Blood bank specimens
A
good for 3 days only
5
Q
coagulation testing
A
need to be done in 4-12 hour window
6
Q
B12
A
wrap in foil to prevent light exposure
7
Q
When do we get crenated RBCs and Pyknotic WBCs?
A
after 6-8 hours
8
Q
Fasting for glucose/lipids
A
8-12 hours
9
Q
Diurnal variation
A
hormones/ions drawn at certain times of day
ex. cortisol in AM
iron in AM
10
Q
Short term exercise
A
elevates alanine, lactate
dec then in FFA
inc CPK, AST, ALT, LDH
Coagulation activation
11
Q
Long term exercise (marathons)
A
dec CPK, AST, ALT, LDH
dec gonadotropins, sex steroids
inc prolactin
