AAB MT Chemistry Exam 2025: Actual Questions & Practice Test Bank

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AAB MT Chemistry Exam Newest 2025 Actual Exam

Test Bank| Chemistry MT AAB Exam Review 2025|

Complete 350 Real Exam Questions and Correct

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Which of the four elements in proteins differentiated this class of

substances from carbohydrates and lipids? .....ANSWER.....

Nitrogen

Which of the proteins is soluble in water? .....ANSWER..... Albumin

How are amino acids joined together to form a chainlike

structure? .....ANSWER..... Peptide bonding

Proteins may become denatured when subjected to mechanical

agitation, heat, or chemical treatment. What does denaturation

of proteins refer to? .....ANSWER..... Alteration of tertiary

structure

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Which aminoacidopathy is NOT caused by an enzyme

deficiency? .....ANSWER..... Cystinuria

These aminoacidopathies are caused by an enzyme deficiency:

.....ANSWER..... Maple syrup disease, phenylketonuria, and

alkaptonuria

How many immunoglobulin classes are currently recognized?

.....ANSWER..... Five

Which reagent is employed in the serum protein determination?

.....ANSWER..... Biuret

Why should hemolyzed serum not be used for total protein

analysis? .....ANSWER..... Hemoglobin is absorbed at the same

wavelength as protein in the reagent

Which of the following is NOT true of the biuret reaction?

.....ANSWER..... It is relatively free from interference from lipids

and hemoglobin

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Which of the following is true of the biuret reaction?

.....ANSWER..... Follows Beer's law for a reasonable range of

protein, depends on the presence of at least two peptide

linkages, and is insensitive to the low protein levels of urine.

Why is bromcresol purple the preferred indicator for albumin

dye binding techniques? .....ANSWER..... There is less interference

from pigment(s)

What is the most anodic protein on electrophoresis at pH 8.6?

.....ANSWER..... Albumin

The total protein is 7.1 g/dL. The serum protein results are:

Albumin 53.0% 3.8 g/dL

Alpha1 3.6% 0.3 g/dL

Alpha2 11.0% 0.8 g/dL

Beta 17.6% 1.2 g/dL

Gamma 14.8% 1.1 g/dL

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What is the A/G ratio? .....ANSWER..... 3.8/(.3+.8+1.2+1.1) =

1.1

A serum protein electrophoretic pattern displaying a beta

gamma bridge or broad gamma is seen in which disease state?

.....ANSWER..... Active cirrhosis

If an electrophoretic pattern shows 30% albumin, 4%-10%

alpha-globulin, 4%-10% beta-globulin, and 45% gamma

globulin, then what condition may exist in the patient?

.....ANSWER..... Monoclonal gammopathy

Glycoproteins and mucoproteins are usually bound to which

substance? .....ANSWER..... Carbohydrates

All of the following are glycoproteins: .....ANSWER.....

Ceruloplasmin, follicle-stimulating hormone (FSH), and fibrinogen

All of the following are glycoproteins EXCEPT: .....ANSWER.....

Cryoglobulin