Enzyme Markers

ENZYME MARKERS

Q. 1

Trypsin cleaves :

 A

Arginine

 B

Glutamate

 C

None

 D

Proline

Q. 1

Trypsin cleaves :

 A

Arginine

 B

Glutamate

 C

None

 D

Proline

Ans. A

Explanation:

Q. 2

Chymotrypsin cleaves carbonyl terminal of:

 A

Phenylalanine

 B

Tryptophan

 C

Tyrosine

 D

All

Q. 2

Chymotrypsin cleaves carbonyl terminal of:

 A

Phenylalanine

 B

Tryptophan

 C

Tyrosine

 D

All

Ans. D

Explanation:

Q. 3

Markers of plasma membrane are:

 A

Galactosyl transferase

 B

5 – Nucleotidase

 C

Adenyl cyclase

 D

b & c

Q. 3

Markers of plasma membrane are:

 A

Galactosyl transferase

 B

5 – Nucleotidase

 C

Adenyl cyclase

 D

b & c

Ans. D

Explanation:

B i.e. 5-Nucleotidase; C i.e. Adenyl cyclase


Q. 4

Bone resorption markers are all except ‑

 A

Tartarate resistant acid phosphatase

 B

Osteocalcin

 C

Cross linked-N-telopeptides

 D

Urine total free deoxypyridinolone

Q. 4

Bone resorption markers are all except ‑

 A

Tartarate resistant acid phosphatase

 B

Osteocalcin

 C

Cross linked-N-telopeptides

 D

Urine total free deoxypyridinolone

Ans. B

Explanation:

Ans. is ‘b’ i.e., Osteocalcin

Osteocalcin is marker of bone formation (not bone resorption).

 

Biological markers of bone growth

o Bone specific alkaline phosphatase o Osteocalcin

o Type I collegen extension peptide

of bone destruction (resorption)

o Hydroxyproline

  • Tarterate resistance acid phosphatase
  • Cross linked-N-telopeptide
  • Cross linked-C-telopeptide
  • Urine total free deoxypyridinolone

Q. 5

Bone resorption markers are:

 A

Serum propeptide of type I procollagen

 B

Osteocalcin

 C

Urine total free deoxypyridinoline

 D

Free glutamic acid cross linkage.

Q. 5

Bone resorption markers are:

 A

Serum propeptide of type I procollagen

 B

Osteocalcin

 C

Urine total free deoxypyridinoline

 D

Free glutamic acid cross linkage.

Ans. C

Explanation:

C. i.e. Urine total free deoxypyridindine


Q. 6

Bone formation markers:

 A

Procollagen

 B

Alkaline phosphatase

 C

Hydroxy appetite

 D

a and b

Q. 6

Bone formation markers:

 A

Procollagen

 B

Alkaline phosphatase

 C

Hydroxy appetite

 D

a and b

Ans. D

Explanation:

A i.e. Procollagen – I; B i.e. Alkaline Phosphatase


Q. 7

Markers of acute kidney injury inculde all of the following except:

 A

Micro RNA-122

 B

Cystatin C

 C

N-gal

 D

Kim-1

Q. 7

Markers of acute kidney injury inculde all of the following except:

 A

Micro RNA-122

 B

Cystatin C

 C

N-gal

 D

Kim-1

Ans. A

Explanation:


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