Unit 6 Ch 34

Question 1

In clinical chemistry there are several uses of clinical chemistry profiles, they are?

Answer 1

screen for disease, assess pre-surgical risk, distinguish between differential diagnoses, assess severity of existing disease, monitor progression/response to therapy, identify patterns

Question 2

What are pre-analytical factors?

Answer 2

factors that can affect quality of test results (ie. collection procedure, labeling, patient variables and equipment difficulties)

Question 3

Analytic factors?

Answer 3

actual performance of biochemical assays

Question 4

chemical analyzers?

Answer 4

quality control and accurate results

Question 5

What are the types of serum samples?

Answer 5

serum - used for blood chemistry
heparinized plasma
Heparinized whole blood

Question 6

plasma is?

Answer 6

the fluid portion of whole blood in which cells are suspended

Question 7

serum is?

Answer 7

plasma from which fibrinogen (a plasma protein) has been removed

Question 8

Plasma proteins are primarily produced by the?

Answer 8

liver

Question 9

Plasma proteins have many functions?

Answer 9

structural components of all cells, organs, and tissues, enzymes, buffers, hormones, clotting, defense, transport molecules

Question 10

Total protein is ?

Answer 10

total protein plasma that includes fibrinogen

Question 11

Total serum protein are?

Answer 11

all proteins excluding clotting factors

Question 12

Protein concentrations are affected by?

Answer 12

hepatic systhesis (liver generating protein), altered protein breakdown or excretion and dehydration (levels look higher) or over-hydration (levels look lower)