Final: Lab Medicine and Medical Decision Making

Question 1

Whats in a CBC

Answer 1

Complete blood count of all WBCs in blood including:

• MCH
• MCHC
• MCV
• RDW

Question 2

Whats in a CBC w/diff

Answer 2

Everything in a CBC + % of each absolute count of WBC

Question 3

BMP ($12)

Answer 3

Chem7

-Na, K, Cl, Glucose, Creatinine, BUN, CO2

Question 4

CMP ($15-20)

Answer 4

Chem12 (BMP, LFTs, Mg, PO4, Ca)
-Na, K, Cl, Glucose, Creatinine, BUN, CO2

And

AST, ALT, Alk Phos, Bilirubin, Amylase, lipase, Ca, Mg, PO4

Question 5

What should you always order if woman is having pain in RLQ and LLQ?

Answer 5

Pregnancy test

-cheap, and easy to rule out

Question 6

When would you check BUN and Cr

Answer 6

If the patient could have issues with their kidneys

Question 7

What is in the LFTs and when would you order?

Answer 7

AST/ALT, Alk phos, bilirubin (total/direct)

Order if liver inflammation, biliary obstruction, or hemolysis

Question 8

What is an ABG used for?

Answer 8

to access the adequacy of ventilation/perfusion