Deck 16: Overview of Clinical Chemistry

Question 1

HbA1c testing is a highly complex testing procedure.

Answer 1

False
HbA1c may be performed as a CLIA-waived testing procedure or as a moderately complex procedure, but it is not a highly complex testing procedure.

Question 2

A dark yellow serum specimen obtained from a patient with liver dysfunction may be described as:

A)Lipemic
B)Hemolyzed
C)Icteric
D)Jaundiced

Answer 2

C
Lipemic serum specimens appear cloudy, hemolyzed serum specimens appear pink or red, and jaundice is a term used to describe the appearance of a patient with liver dysfunction, not his or her blood specimen.

Question 3

Match the correct definition to the items listed below.
A.Excessive levels of lipids in the bloodstream
B.Byproduct of protein metabolism
C.Glucose added to a protein
D.Cholesterol created in the liver
E.Byproducts of muscle metabolism
F.Substances that become positively or negatively charged when dissolved in water
G.Cholesterol ingested in the diet
H.Insufficient supply of blood to a body part or organ
I.Appearance of plasma for patients with hepatic dysfunction
Creatine kinase

Answer 3

E

Question 4

Match the correct definition to the items listed below.
A.Excessive levels of lipids in the bloodstream
B.Byproduct of protein metabolism
C.Glucose added to a protein
D.Cholesterol created in the liver
E.Byproducts of muscle metabolism
F.Substances that become positively or negatively charged when dissolved in water
G.Cholesterol ingested in the diet
H.Insufficient supply of blood to a body part or organ
I.Appearance of plasma for patients with hepatic dysfunction
Ischemia

Question 5

Which of these substances may be dissolved in plasma?

A)Medication
B)Waste products
C)Gases
D)All of the above

Question 6

Reference ranges for a specific analyte may vary with:

A)Sex of patient
B)Methodology used for testing
C)Age of patient
D)All of the above

Question 7

Match the correct definition to the items listed below.
A.Excessive levels of lipids in the bloodstream
B.Byproduct of protein metabolism
C.Glucose added to a protein
D.Cholesterol created in the liver
E.Byproducts of muscle metabolism
F.Substances that become positively or negatively charged when dissolved in water
G.Cholesterol ingested in the diet
H.Insufficient supply of blood to a body part or organ
I.Appearance of plasma for patients with hepatic dysfunction
Hyperlipidemia

Question 8

Match the correct definition to the items listed below.
A.Excessive levels of lipids in the bloodstream
B.Byproduct of protein metabolism
C.Glucose added to a protein
D.Cholesterol created in the liver
E.Byproducts of muscle metabolism
F.Substances that become positively or negatively charged when dissolved in water
G.Cholesterol ingested in the diet
H.Insufficient supply of blood to a body part or organ
I.Appearance of plasma for patients with hepatic dysfunction
Icteric

Question 9

Match the correct definition to the items listed below.
A.Excessive levels of lipids in the bloodstream
B.Byproduct of protein metabolism
C.Glucose added to a protein
D.Cholesterol created in the liver
E.Byproducts of muscle metabolism
F.Substances that become positively or negatively charged when dissolved in water
G.Cholesterol ingested in the diet
H.Insufficient supply of blood to a body part or organ
I.Appearance of plasma for patients with hepatic dysfunction
Endogenous cholesterol

Question 10

Common tests utilized to test cardiac function include:

A)BNP
B)Troponin
C)Myoglobin
D)All of the above

Question 11

Tests used to assess thyroid function include:

A)TSH
B)T5
C)Progesterone
D)Calcium

Question 12

The liquid removed from a light blue-top tube after centrifugation is plasma.Completion
Complete each statement.

Question 13

Match the correct definition to the items listed below.
A.Excessive levels of lipids in the bloodstream
B.Byproduct of protein metabolism
C.Glucose added to a protein
D.Cholesterol created in the liver
E.Byproducts of muscle metabolism
F.Substances that become positively or negatively charged when dissolved in water
G.Cholesterol ingested in the diet
H.Insufficient supply of blood to a body part or organ
I.Appearance of plasma for patients with hepatic dysfunction
Blood urea nitrogen (BUN)

Question 14

Match the correct definition to the items listed below.
A.Excessive levels of lipids in the bloodstream
B.Byproduct of protein metabolism
C.Glucose added to a protein
D.Cholesterol created in the liver
E.Byproducts of muscle metabolism
F.Substances that become positively or negatively charged when dissolved in water
G.Cholesterol ingested in the diet
H.Insufficient supply of blood to a body part or organ
I.Appearance of plasma for patients with hepatic dysfunction
Exogenous cholesterol

Question 15

Reference ranges are the same for all ages for all tests.

Question 16

Serial blood draws are often performed following a:

A)Suspected myocardial infarction
B)Bout with hepatitis
C)Diagnosis of anemia
D)Infection

Question 17

A BNP test is:

A)Part of a lipid panel
B)Included in a hepatic function panel
C)A test ordered to assess cardiac function
D)An electrolyte

Question 18

Match the correct definition to the items listed below.
A.Excessive levels of lipids in the bloodstream
B.Byproduct of protein metabolism
C.Glucose added to a protein
D.Cholesterol created in the liver
E.Byproducts of muscle metabolism
F.Substances that become positively or negatively charged when dissolved in water
G.Cholesterol ingested in the diet
H.Insufficient supply of blood to a body part or organ
I.Appearance of plasma for patients with hepatic dysfunction
Glycosylated

Question 19

Some clinical chemistry specimens may need to be protected from light after collection.

Question 20

Match the correct definition to the items listed below.
A.Excessive levels of lipids in the bloodstream
B.Byproduct of protein metabolism
C.Glucose added to a protein
D.Cholesterol created in the liver
E.Byproducts of muscle metabolism
F.Substances that become positively or negatively charged when dissolved in water
G.Cholesterol ingested in the diet
H.Insufficient supply of blood to a body part or organ
I.Appearance of plasma for patients with hepatic dysfunction
Electrolytes

Question 21

A ____________serum specimen may appear cloudy due to the presence of fat molecules suspended in the blood.

Question 22

The two types of lipids most commonly analyzed in the laboratory are ______________and triglycerides.

Question 23

The function of several ___________systems is evaluated with results from a basic metabolic panel.

Question 24

Elevated blood BUN and creatinine levels may be indicative of impaired ________function.

Question 25

Electrolytes carry a positive or negative ____________when dissolved in water.