Medical Mcqs

Which acid is formed in the citric acid cycle ?

• (A)  Oxaloacetic acid
• (B)  Glutamic acid
• (C)  Nitric acid
• (D)  None of the above

Answer

Submitted By :Ali Uppal

The main enzyme responsible for activation of xenobiotics in (detoxification)____________?

• (A)  Cytochrome P-450
• (B)  Glutathione S-transferase
• (C)  NADPH cytochrome P-450 reductase
• (D)  Glucuronyl transferase

Answer

Submitted By :Ali Uppal

What high energy phosphate compound is formed in the citric acid cycle through substrate level phosphorylation______________?

• (A)  ATP
• (B)  TTP
• (C)  ITP
• (D)  GTP

Answer

Submitted By :Ali Uppal

Which of the following is a non-reducing sugar____________?

• (A)  Glucose
• (B)  Maltose
• (C)  Lactose
• (D)  Sucrose

Answer

Submitted By :Ali Uppal

Enzymes stored in muscle is________________?

• (A)  Alkaline phosphatase
• (B)  SGOT
• (C)  SGPT
• (D)  CPK

Answer

Submitted By :Ali Uppal

Iron is present in all of the following except_______________?

• (A)  Myoglobin
• (B)  Cytochrome
• (C)  Catalase
• (D)  Pyruvate kinase

Answer

Submitted By :Ali Uppal

Inactive precursors of enzymes are known as_______________?

• (A)  Apoenzymes
• (B)  Coenzymes
• (C)  Proenzymes
• (D)  Holoenzymes

Answer

Submitted By :Ali Uppal

Cofactor required for lipoprotein lipase activity is_______________?

• (A)  Apo A-II
• (B)  Apo C-II
• (C)  Apo C-III
• (D)  Apo B-II

Answer

Submitted By :Ali Uppal

Mutation in the oxidative enzymes (peroxisomes) could lead to_______________?

• (A)  Zellweger’s syndrome
• (B)  Gaucher’s disease
• (C)  Epidermolysis bullosa
• (D)  Leber’s neuropathy

Answer

Submitted By :Ali Uppal

Biotin is required for the activity of_____________?

• (A)  Pyruvate carboxylase
• (B)  Lactate dehydrogenase
• (C)  Succinate thiokinase
• (D)  Phosphohexose isomerase

Answer

Submitted By :Ali Uppal