I. Start the exam by click the “Start” button
PROTEINS AND PROTEIN METABOLISM- Part 14
See all quizzes of PROTEINS AND PROTEIN METABOLISM- Part 14 here:
1. Among the following, a test of tubular
function is
(A) Creatinine clearance
(B) Inulin clearance
(C) PAH clearance
(D) PSP excretion test
2. A simple way to assess tubular function
is to withhold food and water for 12
hours and, then, measure
(A) Serum urea
(B) Serum creatinine
(C) Urine output in one hour
(D) Specific gravity of urine
3. Among the following, the most sensitive
indicator of glomerular function is
(A) Serum urea
(B) Serum creatinine
(C) Urea clearance
(D) Creatinine clearance
4. All the following statements about inulin
are correct except
(A) It is completely non-toxic
(B) It is completely filtered by glomeruli
(C) It is not reabsorbed by tubular cells
(D) It is secreted by tubular cells
5. Non-protein nitrogenous substances in
blood include all of the following except
(A) Urea (B) Uric acid
(C) Creatinine (D) Inositol
6. Non-protein nitrogenous substances in
blood are raised in
(A) Starvation
(B) Liver damage
(C) Renal failure
(D) All of these
7. Creatinine clearance is deceased in
(A) Acute tubular necrosis
(B) Acute glomerulonephritis
(C) Hypertension
(D) Myopathies
8. Serum amylase is increased in
(A) Acute parotitis (B) Acute pancreatitis
(C) Pancreatic cancer (D) All of these
9. Maximum rise in serum amylase occurs in
(A) Acute parotitis
(B) Acute pancreatitis
(C) Chronic pancreatitis
(D) Pancreatic cancer
10. Serum lipase is increased in
(A) Acute parotitis (B) Acute pancreatitis
(C) Infective hepatitis (D) Biliary obstruction
11. Which one of the following metabolites
is not directly produced in the hexose
monophosphate pathway?
(A) Fructose-6-phosphate
(B) Dihydroxy acetone phosphate
(C) CO2
(D) Erythrose-4-phosphate
12. Which one of the following statements
concerning glucose-6-phosphate dehydrogenase
deficiency is correct?
(A) Young R.B.Cs, particularly reticulocytes,
contain the highest enzyme activity cells show
less enzyme activity
(B) Glucose-6-P Dehydroglucose deficiency
leads to disfuction of many tissues
(C) G-6-p Dehydroglucose deficiency is due to a
single deletion of a large sequence of DNA
in the G-6-PD gene
(D) G-6-PD deficiency is precipitated by ingestion
of drugs such as aspirin
13. The phenomenon of inhibition of glycolysis
by O2 is termed as
(A) Red drop (B) Pasteur effect
(C) Michaelis effect (D) Fischer’s effect
14. Seratonin is derived in the body from the
following amino acid:
(A) Phenylalanine (B) Histidine
(C) Tryptophan (D) Serine
15. Which amino acid is a lipotropic factor?
(A) Lysine (B) Leucine
(C) Tryptophan (D) Methionine
16. Which among the following is a nutritionally
essential amino acid for man ?
(A) Alanine (B) Glycine
(C) Tyrosine (D) Tryptophan
17. The essential amino acids
(A) Must be supplied in the diet because the
organism has lost the capacity to aminate the
corresponding ketoacids
(B) Must be supplied in the diet because the
human has an impaired ability to synthesize
the carbon chain of the corresponding ketoacids
(C) Are identical in all species studied
(D) Are defined as those amino acids which
cannot be synthesized by the organism at a
rate adequate to meet metabolic requirements
18. Which among the following is an essential
amino acid?
(A) Cysteine (B) Leucine
(C) Tyrosine (D) Aspartic acid
19. Which among the following is a basic
amino acid?
(A) Aspargine (B) Arginine
(C) Proline (D) Alanine
20. This amino acid cannot have optical
isomers:
(A) Alanine (B) Histidine
(C) Threonine (D) Glycine
21. The amino acid which contains a
guanidine group is
(A) Histidine (B) Arginine
(C) Citrulline (D) Ornithine
22. GABA(gama amino butyric acid) is
(A) Post-synaptic excitatory transmitter
(B) Post-synaptic inhibitor transmitter
(C) activator of glia-cell function
(D) inhibitor of glia-cell function
23. Sulphur-containing amino acid is
(A) Glutathione (B) Chondroitin sulphate
(C) Homocysteine (D) Tryptophan
24. The useful reagent for detection of amino
acids is
(A) Molisch reagent
(B) Dichlorophenol Indophenol
(C) Ninhydrin
(D) Biuret
25. The amino acid which contains an indole
group is
(A) Histidine (B) Arginine
(C) Glycine (D) Tryptophan
26. Sakaguchi reaction is answered by
(A) Lysine
(B) Ornithine
(C) Arginine
(D) Arginino succinic acid
27. The pH of an amino acid depends
(A) Optical rotation (B) Dissociation constant
(C) Diffusion coefficient(D) Chain length
28. When amino acids are treated with neutral
formaldehyde, the pH of the mixture
(A) Is not altered
(B) Increases
(C) Decreases
(D) First increases then decreases
29. Which among the following has an
imidazole group?
(A) Histidine (B) Tryptophan
(C) Proline (D) Hydroxy proline
30. The amino acid exist as Zwitter ions when
they are in
(A) solid state (B) acidic solution
(C) alkaline solution (D) neutral solution
