Mineral Metabolism - Mock Test 28

Question 271

The immunoglobulins are classified on the basis of?

A) Light chains B) Heavy chains C) Carbohydrate content D) Electrophoretic mobility

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Question 272

Protoporphyria ( erythrohepatic ) is characterized by the deficiency of?

A) ALA synthase B) ALA hydratase C) Protophyrinogen oxidae D) Ferrochelatase

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Question 273

Hereditary coproporphyria is caused due to deficiency of?

A) Protoporphyrinogen oxidase B) ALA synthase C) ALA dehydratase D) Coproporphyrinogen oxidase

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Question 274

The characteristic urinary finding in porphyria cutanea tarda is?

A) Increased quantity of porphobilinogen B) Increased quantity of red cell protoporphyrin C) Increased quantity of uroporphyrin D) Increased quantity of δ-ALA

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Question 275

The characteristic urinary finding in porphyria cutanea tarda is?

A) Increased quantity of porphobilinogen B) Increased quantity of red cell protoporphyrin C) Increased quantity of uroporphyrin D) Increased quantity of δ-ALA

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Question 276

The probable cause of porphyria cutanea tarda is deficiency of?

A) Uroporphyrinogen oxidase B) Coproporphyrinogen oxidase C) Protoporphyrinogen oxidase D) Uroporphyrinogen I synthase

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Question 277

Main symptoms of congenital erythropoietic porphyria is?

A) Yellowish teeth B) Photosensitivity C) Abdominal pain D) Brownish urine

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Question 278

The enzyme involved in congenial erythropoietic porphyria is?

A) Uroporphyrinogen I synthase B) Uroporphyrinogen III cosynthase C) Protoporphyrinogen oxidase D) Ferrochelatase

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Question 279

The characteristic urinary finding in acute intermittent porphyria is?

A) Increased quantity of uroporphyrin B) Increased quantity of coproporphyrin I C) Increased quantity of coproporphyrin III D) Massive quantities of porphobilinogen

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Question 280

The major symptom of acute intermittent porphyria includes?

A) Abdominal pain B) Photosensitivity C) No neuropsychiatric signs D) Dermatitis

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