ASCP BOC Chemistry exam questions with answers

ASCP BOC Chemistry exam
questions with answers

heparin (on ice)
-ammonia
-blood gases
-lactic acid




sodium fluoride (gray top)
-used for glucose (slows glycolysis)
-NOT for BUN (inhibits urease)




EDTA
-contains Na+ and K+
-chelates Ca2+ and causes false ↓
-contaminant




what increases when hemolysis occurs?

,-"KLAMP"


-K+


-LD


-ALD and ACP


-Mg2+


-PO4




glucose levels in whole blood
↓ 10 mg/dL per hour (7%)




fasting glucose reference range (serum or plasma)
70-99 mg/dL

,relationship between CSF and plasma glucose levels
"normal" CSF values are 2/3 (60-65%) of plasma levels




insulin source and action
-pancreatic beta cells of Islets of Langerhens
-↓ glucose
-stimulates glucose uptake by cells




glucagon source and action
-pancreatic alpha cells
-↑ glucose
-stimulates glycogenolysis (breakdown of
glycogen→glucose)




ACTH source and action
-anterior pituitary
-↑ glucose
-insulin antagonist

, growth hormone source and action
-anterior pituitary
-↑ glucose
-insulin antagonist
-acromegaly = hyperglycemia




cortisol source and action
-adrenal cortex
-↑ glucose
-stimulates gluconeogenesis (glucose from non-CHO
source)




human placental lactogen source and action
-placenta
-↑ glucose
-insulin antagonist




epinephrine source and action