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CC Notes Quiz

Total questions: 84

Worksheet time: 42mins

Name
Class
Date
1.

What is the unit of light measurement?

a)

Meters

b)

Nanometers

c)

Millimeters

d)

Centimeters

2.

What is the highest point of a wave called?

a)

Trough

b)

Peak/Crest

c)

Wavelength

d)

Absorbance

3.

What is the relationship between wavelength and energy?

a)

Directly proportional

b)

Inversely proportional

c)

No relationship

d)

Exponentially proportional

4.

What is the range of visible light?

a)

300-500nm

b)

400-700nm

c)

500-800nm

d)

600-900nm

5.

Which color of light has the highest energy?

a)

Red

b)

Green

c)

Violet

d)

Blue

6.

What is the longest wavelength in visible light?

a)

Violet

b)

Blue

c)

Green

d)

Red

7.

What is the absorbance wavelength for cyanmethemoglobin?

a)

450nm

b)

540nm

c)

620nm

d)

700nm

8.

What is the absorbance wavelength for Caraway Method?

a)

400-500nm

b)

500-600nm

c)

600-700nm

d)

700-800nm

9.

What is another name for the Caraway Method?

a)

Phosphotungstic Acid

b)

Tungsten Blue

c)

o-Toluidine

d)

Bluish-Green

10.

What is the enzymatic reaction for uric acid in the Caraway Method?

a)

Uricase (293nm)

b)

o-Toluidine

c)

Tungsten Blue

d)

Bluish-Green

11.

What is the absorbance wavelength for Dubowski Method?

a)

400-500nm

b)

500-600nm

c)

620-630nm

d)

700-800nm

12.

What is the reagent used in the Dubowski Method?

a)

Phosphotungstic Acid

b)

o-Toluidine

c)

Tungsten Blue

d)

Bluish-Green

13.

What is the type of LDH determination called Forward-Wacker?

a)

Peak/Trough

b)

Reverse Reaction

c)

Forward-Wacker

d)

Diurnal Variation

14.

What method measures O2 depletion?

a)

Reverse Colorimetry

b)

Polarographic Method

c)

Forward-Wacker

d)

Peak/Trough

15.

Which enzyme is affected by hemolysis?

a)

Hexokinase

b)

LDH and CK

c)

Peroxidase

d)

G6PD

16.

What is the anticoagulant used to prevent glycolysis?

a)

Sodium Fluoride

b)

Enolase

c)

Phosphomolybdate

d)

Arsenomolybdate

17.

Which sugar is readily converted to energy in the body?

a)

Lactose

b)

Sucrose

c)

Glucose

d)

Maltose

18.

What is the storage form of glucose in the muscle and liver?

a)

Sucrose

b)

Glycogen

c)

Maltose

d)

Lactose

19.

What is the fragment removed in Pro-insulin?

a)

Insulin

b)

C-Peptide

c)

Glucagon

d)

Lipogenesis

20.

Which type of diabetes is associated with insulin receptor deficiency?

a)

Type I DM

b)

Type II DM

c)

Gestational Diabetes

d)

Juvenile Diabetes

21.

What statistical test is used for comparison of variance?

a)

T-Test

b)

F-Test

c)

Chi-Square Test

d)

ANOVA

22.

Which sugar is a non-reducing sugar?

a)

Glucose

b)

Lactose

c)

Sucrose

d)

Maltose

23.

What is the relative indicator of precision in laboratory measurements?

a)

Standard Deviation

b)

Coefficient of Variation

c)

Mean

d)

Median

24.

What is the partner enzyme of glucose oxidase in the colorimetric method?

a)

Hexokinase

b)

Peroxidase

c)

LDH

d)

CK

25.

What does "Repeatability" refer to in the context of closeness of values?

a)

Closeness under different conditions

b)

Closeness under the same condition

c)

Higher precision (less variation)

d)

Difference in two means

26.

What percentage of data falls within 1 standard deviation (1SD) in a Gaussian Distribution Curve?

a)

95.5%

b)

99.7%

c)

68.3%

d)

50%

27.

What is the primary use of RBS (Random Blood Sugar)?

a)

To monitor long-term glucose levels

b)

To detect insulin shock

c)

To measure cholesterol levels

d)

To assess kidney function

28.

What is the lifespan of RBC (Red Blood Cells) affected by?

a)

HbA1c levels

b)

Glycemic factors

c)

Renal threshold

d)

Blood glucose panic value

29.

What is the renal threshold of glucose?

a)

50-55 mg/dL

b)

160-180 mg/dL

c)

20-30 mg/dL

d)

>500 mg/dL

30.

Which lipoprotein transports the majority of cholesterol?

a)

HDL

b)

LDL

c)

VLDL

d)

Apo B48

31.

What percentage of cholesterol is found in ester form?

a)

30%

b)

50%

c)

70%

d)

99%

32.

What is the function of surfactant in the lungs?

a)

Transport cholesterol

b)

Lubricate the lungs

c)

Break down fatty acids

d)

Build lipids

33.

What is the observable hypoglycemia range for blood glucose levels?

a)

20-30 mg/dL

b)

50-55 mg/dL

c)

160-180 mg/dL

d)

>500 mg/dL

34.

What does DM (Diabetes Mellitus) lead to when cells utilize TAG (Triacylglycerol)?

a)

Weight gain

b)

Unexplained weight loss

c)

Increased blood pressure

d)

Decreased cholesterol levels

35.

What is the TAG content of chylomicrons?

a)

45-65%

b)

80-95%

c)

50-70%

d)

30-50%

36.

Which lipoprotein is the least dense?

a)

HDL

b)

LDL

c)

Chylomicron

d)

VLDL

37.

What is the protein content of HDL?

a)

45-55%

b)

30-40%

c)

50-60%

d)

20-30%

38.

Which lipoprotein is the fastest?

a)

LDL

b)

Alpha LPP (HDL)

c)

VLDL

d)

Chylomicron

39.

What is the method used for LPP analysis?

a)

Lieberman Burchard

b)

Ultracentrifugation

c)

Abell-Kendall

d)

Hantzsch reaction

40.

What is the deposition of cholesterol plaques on blood vessels called?

a)

Arteriosclerosis

b)

Atherosclerosis

c)

Dysbetalipoproteinemia

d)

Obstructive biliary disease

41.

Which enzyme is responsible for breaking down TAG into fatty acids and glycerol?

a)

Glycerol Kinase

b)

Lipase

c)

Cholesterol Ester Hydrolase

d)

Lieberman Burchard

42.

What is the element specific for CHON?

a)

Oxygen

b)

Hydrogen

c)

Nitrogen

d)

Carbon

43.

What charge does CHON have in blood?

a)

Positive charge

b)

Negative charge

c)

Neutral charge

d)

Acidic charge

44.

Where is CHON primarily produced?

a)

Kidney

b)

Liver

c)

Pancreas

d)

Spleen

45.

What is the building block of CHON?

a)

Protein

b)

Amino Acid

c)

Carbohydrate

d)

Lipid

46.

Which CHON regulates colloidal oncotic pressure?

a)

Fibrinogen

b)

Ceruloplasmin

c)

Albumin

d)

Gamma Globulin

47.

What is the deficiency of ceruloplasmin associated with?

a)

Wilson's Disease

b)

Menke's Kinky Hair Syndrome

c)

Liver Cirrhosis

d)

Nephrotic Syndrome

48.

Which vitamin is fat-soluble and clings to adipose tissue leading to overdose?

a)

Vitamin C

b)

Vitamin B

c)

Vitamin A

d)

Vitamin D

49.

What is the common pH for CHON electrophoresis?

a)

7.0

b)

8.6

c)

6.5

d)

9.2

50.

Which stain is used in electrophoresis?

a)

Bromocresol Green

b)

Coomassie Brilliant Blue

c)

Ninhydrin

d)

Rochelle's Salt

51.

Where can complement CHON/transferrin be found in electrophoresis?

a)

Alpha Region

b)

Beta Region

c)

Gamma Region

d)

Delta Region

52.

Which region shows an increase in IgA and Gamma in liver cirrhosis?

a)

Alpha-1 Region

b)

Beta Region

c)

Gamma Region

d)

Alpha-2 Region

53.

What is the reference method for CHON quantification?

a)

Biuret Method

b)

Kjeldahl Method

c)

Dye Binding Technique

d)

Electrophoresis

54.

Which dye binding technique is most sensitive and specific?

a)

Bromocresol Green

b)

Bromocresol Purple

c)

Ninhydrin

d)

Coomassie Brilliant Blue

55.

What is the dye binding technique for amino acid quantification?

a)

Bromocresol Green

b)

Ninhydrin

c)

Coomassie Brilliant Blue

d)

Rochelle's Salt

56.

What is another name for Rochelle's Salt?

a)

NaK Tartrate

b)

Alkaline Copper Tartrate

c)

Copper Sulfate

d)

Biuret Reagent

57.

What is the primary action of enzymes?

a)

Increasing activation energy to slow down reactions

b)

Decreasing activation energy to convert more substance

c)

Binding to substrates to stop reactions

d)

Increasing substrate concentration to speed up reactions

58.

Which of the following factors affect enzyme activity?

a)

Substrate concentration, inhibitors, pH, temperature

b)

Substrate concentration only

c)

Temperature only

d)

Inhibitors only

59.

Which enzyme requires Pyridoxal Phosphate (Vitamin B6) for its activity?

a)

CK

b)

AST

c)

LD

d)

ALT

60.

What does the term "IU" stand for in enzyme measurement?

a)

International Unit of enzyme concentration

b)

Micromole of substrate per minute

c)

Millimole of enzyme per hour

d)

Rate of enzyme activity per second

61.

What type of inhibitor binds to the active site of an enzyme?

a)

Non-competitive inhibitor

b)

Competitive inhibitor

c)

Uncompetitive inhibitor

d)

Allosteric inhibitor

62.

Which enzyme is a sensitive marker for alcoholism?

a)

ALT

b)

GGT

c)

AST

d)

CK

63.

Which enzyme is specific for the pancreas?

a)

Lipase

b)

ALT

c)

CK

d)

ACP

64.

What is the first marker for acute pancreatitis?

a)

Lipase

b)

AMS (Amylase)

c)

ALT

d)

ACP

65.

What protein transports unconjugated bilirubin to the liver?

a)

Albumin

b)

Hemoglobin

c)

Myoglobin

d)

Renin

66.

What is the site of bilirubin conjugation in the body?

a)

Intestine

b)

Smooth ER

c)

Gallbladder

d)

Liver

67.

Which enzyme is responsible for converting B1 to B2 in bilirubin metabolism?

a)

UDPGT

b)

Crigler-Najjar

c)

Lucey-Driscoll

d)

Dubin-Johnson

68.

What is the typical stool color in patients with bile duct obstruction?

a)

Dark Brown

b)

Pale Yellow/Gray/Clay

c)

Orange-Brown

d)

Black

69.

Which condition is characterized by the deposition of bilirubin in the brain?

a)

Gilbert Syndrome

b)

Kernicterus

c)

Rotor Syndrome

d)

Crigler-Najjar Syndrome

70.

What is the most common cause of bile duct obstruction?

a)

Gilbert Syndrome

b)

Gallstones (Cholelithiasis)

c)

Dubin-Johnson Syndrome

d)

Rotor Syndrome

71.

Which bilirubin method uses Caffeine Na Benzoate as an accelerator?

a)

Van Den Bergh Reaction

b)

Jendrassik-Grof Reaction

c)

Evelyn-Malloy Reaction

d)

Modified Diazo Reaction

72.

What is the bilirubin level in the blood when jaundice becomes evident?

a)

1-2 mg/dL

b)

2-3 mg/dL

c)

3-4 mg/dL

d)

4-5 mg/dL

73.

Which syndrome is associated with a defect in hepatic bilirubin uptake?

a)

Gilbert Syndrome

b)

Crigler-Najjar Syndrome

c)

Dubin-Johnson Syndrome

d)

Rotor Syndrome

74.

What is the accelerator used in Evelyn-Malloy Reaction?

a)

Caffeine Na Benzoate

b)

50% Methanol

c)

UDPGT

d)

Diazo Reagent

75.

Which syndrome is characterized by dark liver pigmentation?

a)

Gilbert Syndrome

b)

Dubin-Johnson Syndrome

c)

Rotor Syndrome

d)

Crigler-Najjar Syndrome

76.

What is the normal blood pH range?

a)

6.8-7.2

b)

7.35-7.45

c)

7.5-8.0

d)

6.5-7.0

77.

What is the major buffer system of the body?

a)

Phosphate Buffer System

b)

Protein Buffer System

c)

Bicarbonate-Carbonic Acid Buffer System

d)

Sulfate Buffer System

78.

What is the ratio of bicarbonate to carbonic acid in the body?

a)

10:1

b)

20:1

c)

15:1

d)

25:1

79.

Which electrode is used to measure pH?

a)

Clark electrode

b)

Severinghaus electrode

c)

Glass electrode

d)

Amperometry electrode

80.

What is the most predominant non-protein nitrogen (NPN) in the body?

a)

Amino Acid

b)

Urea

c)

Creatinine

d)

Uric Acid

81.

What is the old name for the diacetyl monoxime reaction?

a)

Fearon Reaction

b)

Clark Reaction

c)

Severinghaus Reaction

d)

Amperometry Reaction

82.

What is the end product of purine metabolism?

a)

Creatinine

b)

Uric Acid

c)

Amino Acid

d)

Urea

83.

Which enzyme defect is associated with increased uric acid levels?

a)

Glutamate Dehydrogenase

b)

Lesch-Nyhan Syndrome

c)

Amperometry

d)

Fearon Reaction

84.

What is the end product of muscle metabolism?

a)

Uric Acid

b)

Creatinine

c)

Urea

d)

Amino Acid

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