ASCP BOC: Chemistry Study Guide Exam Questions and Correct Answers| Guaranteed Pass

ASCP BOC: Chemistry Study Guide Exam Questions and
Correct Answers| Guaranteed Pass




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 Langerhans

,-↓ 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

-adrenal medulla

-↑ glucose

-stimulates glycogenolysis




T3 and T4 source and action

-thyroid gland

-stimulate glycogenolysis




hormones that increase serum glucose

-"GAG CHET"



-glucagon