Clinical Chem Final Exam

Question 1

True or False:

The Hemoglobin A1C test measures the avg. amount of blood glucose over a 3 month period?

Answer 1

True

Question 2

What does the GTT assist in the diagnosis of?

Answer 2

Diabetes

Question 3

What is the xylose tolerance test primarily tested for?

Answer 3

Absorption ability of the small intestine

Question 4

What is the 2 hour PC glucose test?

Answer 4

A test where blood is collected 2 hours after finishing the meal

Question 5

What is the next immediate step after drawing blood for arterial/venous blood gases?

Answer 5

The specimen is put on ice and tested STAT

Question 6

What is the dose of glucose for the GTT?

Answer 6

75 grams of glucose in 300 ml of solution

Question 7

What specimens are required for OGTT and GTT?

Answer 7

Urine and blood

Question 8

What do beta cells produce and what is their function?

Answer 8

They produce insulin when blood glucose is high

Question 9

What do alpha cells produce and what is their function?

Answer 9

They produce glucagon hormone when blood glucose is low

Question 10

Where can CPK/CK be found?

Answer 10

Brain, muscles, heart

Question 11

What specimen is required for GGT?

Answer 11

Serum

Question 12

What will be elevated in a patient with hepatitis?

Answer 12

Bilirubin

Question 13

What enzymes will be elevated in a patient with acute MI?

Answer 13

LDH, CPK, AST

Question 14

What enzymes are part of the cardiac enzyme profile?

Answer 14

LDH, CPK, AST

Question 15

What enzymes are part of the liver enzyme profile?

Answer 15

ALP, ALT, GGT

Question 16

What diseases or disorders is the lipoprotein electrophoresis used to detect?

Answer 16

Coronary Heart Disease, Atherosclerosis, Cardiovascular disorders

Question 17

What is the clinical significance of LDH?

Answer 17

Cancers, leukemia, heart failure, embolism

Question 18

What should a patient do for an accurate cholesterol test?

Answer 18

Fast overnight
Follow a normal diet one week before the test
No alcohol
No lipid lowering drugs

Question 19

What components are found in plasma?

Answer 19

Cholesterol, calcium, glucose, fibrinogen

Question 20

What is buffer?

Answer 20

Weak acid/weak base with salt

Question 21

Which test should not be performed on a serum sample?

Answer 21

Clotting factor

Question 22

Acid Phosphatase is an enzyme which is elevated in?

Answer 22

Prostatic cancer

Question 23

What are the end products of protein digestion?

Answer 23

Amino acids

Question 24

What are amino acids transformed into?

Answer 24

Ammonium ions

Question 25

Define ammonia

Answer 25

Produced from leftover amino acids, it’s a waste that is excreted through the liver