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Clinical Chemistry > Clinical Chem Final Exam > Flashcards

Clinical Chem Final Exam Flashcards

1
Q

True or False:

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

A

True

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2
Q

What does the GTT assist in the diagnosis of?

A

Diabetes

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3
Q

What is the xylose tolerance test primarily tested for?

A

Absorption ability of the small intestine

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4
Q

What is the 2 hour PC glucose test?

A

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

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5
Q

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

A

The specimen is put on ice and tested STAT

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6
Q

What is the dose of glucose for the GTT?

A

75 grams of glucose in 300 ml of solution

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7
Q

What specimens are required for OGTT and GTT?

A

Urine and blood

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8
Q

What do beta cells produce and what is their function?

A

They produce insulin when blood glucose is high

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9
Q

What do alpha cells produce and what is their function?

A

They produce glucagon hormone when blood glucose is low

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10
Q

Where can CPK/CK be found?

A

Brain, muscles, heart

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11
Q

What specimen is required for GGT?

A

Serum

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12
Q

What will be elevated in a patient with hepatitis?

A

Bilirubin

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13
Q

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

A

LDH, CPK, AST

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14
Q

What enzymes are part of the cardiac enzyme profile?

A

LDH, CPK, AST

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15
Q

What enzymes are part of the liver enzyme profile?

A

ALP, ALT, GGT

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16
Q

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

A

Coronary Heart Disease, Atherosclerosis, Cardiovascular disorders

17
Q

What is the clinical significance of LDH?

A

Cancers, leukemia, heart failure, embolism

18
Q

What should a patient do for an accurate cholesterol test?

A

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

19
Q

What components are found in plasma?

A

Cholesterol, calcium, glucose, fibrinogen

20
Q

What is buffer?

A

Weak acid/weak base with salt

21
Q

Which test should not be performed on a serum sample?

A

Clotting factor

22
Q

Acid Phosphatase is an enzyme which is elevated in?

A

Prostatic cancer

23
Q

What are the end products of protein digestion?

A

Amino acids

24
Q

What are amino acids transformed into?

A

Ammonium ions

25
Q

Define ammonia

A

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

Clinical Chemistry (2 decks)

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