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MINERAL METABOLISM- Part 8
See all quizzes of MINERAL METABOLISM- Part 8 here:
1 Respiratory acidosis is caused by
(A) Increase in carbonic acid relative to
bicarbonate
(B) Decrease in bicarbonate fraction
(C) Increase in bicarbonate fraction
(E) Decrease in the carbonic acid fraction
2. Respiratory alkalosis is caused by
(A) An increase in carbonic acid fraction
(B) A decrease in bicarbonic fraction
(C) A decrease in the carbonic acid fraction
(D) An increase in bicarbonate fraction
3. Meningitis and encephalitis cause
(A) Metabolic alkalosis
(B) Respiratory alkalosis
(C) Metabolic acidosis
(D) Respiratory acidosis
4. Metabolic acidosis is caused in
(A) Uncontrolled diabetes with ketosis
(B) Pneumonia
(C) Intestinal Obstruction
(D) Hepatic coma
5. Metabolic acidosis is caused in
(A) Pneumonia
(B) Prolonged starvation
(C) Intestinal obstruction
(D) Bulbar polio
6. Respiratory acidosis occurs in
(A) Any disease which impairs respiration like
emphysema
(B) Renal disease
(C) Poisoning by an acid
(D) Pyloric stenosis
7. Metabolic alkalosis occurs
(A) As consequence of high intestinal obstruction
(B) In central nervous system disease
(C) In diarrhoea
(D) In colitis
8. Respiratory alkalosis occurs in
(A) Hysterical hyperventilation
(B) Depression of respiratory centre
(C) Renal diseases
(D) Loss of intestinal fluids
9. Morphine poisoning causes
(A) Metabolic acidosis
(B) Respiratory acidosis
(C) Metabolic alkalosis
(D) Respiratory alkalosis
10. Salicylate poisoning in early stages causes
(A) Metabolic acidosis
(B) Respiratory acidosis
(C) Metabolic alkalosis
(D) Respiratory alkalosis
11. The compound having the lowest redox
potential amongst the following is
(A) Hydrogen (B) NAD
(C) Cytochrome b (D) Cytochrome a
12. All the oxidases contain a metal which is
(A) Copper (B) FAD
(C) Manganese (D) None of these
13. Isocitrate dehydrogenases is
(A) Aerobic dehydrogenase
(B) Anaerobic dehydrogenase
(C) Hydroperoxidase
(D) Oxygenase
14. Iron-pophyrin is present as prosthetic
group in
(A) Cytochromes (B) Catalases
(C) Peroxidase (D) None of these
15. Microsomal hydroxylase system contains
a
(A) Di-oxygenase (B) Mono-oxygenase
(C) Both (A) and (B) (D) None of thse
16. Superoxide radicals can be detoxified by
(A) Cytochrome c (B) Cytochrome b
(C) Cytochrome a (D) None of these
17. A copper containing cytochrome is
(A) Cytochrome a (B) Cytochrome P-450
(C) Cytochrome a3 (D) None of these
18. Rate of tissue respiration is raised when
the intracellular concentration of
(A) ADP increases (B) ATP increases
(C) ADP decreases (D) None of these
19. Which of the following component of
respiratory chain is not attached to the
inner mitochondrial membrane?
(A) Coenzyme Q (B) Cytochrome c
(C) Both (A) and (B) (D) None of these
20. In some reactions, energy is captured in
the form of
(A) GTP (B) UTP
(C) CTP (D) None of these
21. Substrate-linked phosphorylation occurs
in
(A) Glycolytic pathway (B) Citric acid cycle
(C) Both (A) and (B) (D) None of these
22. Hydrogen peroxide may be detoxified in
the absence of an oxygen acceptor by
(A) Peroxidase (B) Catalase
(C) Both (A) and (B) (D) None of these
23. Superoxide radicals can be detoxified by
(A) Cytochrome c
(B) Superoxide dismutase
(C) Both (A) and (B)
(D) None of these
24. The porphyrin present in haem is
(A) Uroporphyrin (B) Protoporphyrin I
(C) Coproporphyrin (D) Protoporphyrin II
25. An amino acid required for porphyrin
synthesis is
(A) Proline (B) Glycine
(C) Serine (D) Histidine
26. Which of the following coenzyme is
required for porphyrin synthesis?
(A) Coenzyme A
(B) Pyridoxal phosphate
(C) Both (A) and (B)
(D) None of these
27. The regulatory enzyme for haem
synthesis is
(A) ALA synthetase
(B) haem synthetase
(C) Both (A) and (B)
(D) None of these
28. Regulation of haem synthesis occurs by
(A) Covalent modification
(B) Repression – derepression
(C) Induction
(D) Allosteric regulation
29. Sigmoidal oxygen dissociation curve is a
property of
(A) Haemoglobin
(B) Carboxyhaemoglobin
(C) Myoglobin
(D) Methaemoglobin
30. Cyanmethaemoglobin can be formed
from
(A) Oxy Hb (B) Met Hb
(C) Carboxy Hb (D) All of these
