Carbohydrates Quiz

What are the components of carbohydrates?

• Iron, Zinc, Copper

• Calcium, Magnesium, Potassium

• Nitrogen, Phosphorus, Sulfur

• Carbon, Hydrogen, Oxygen

Which of the following is a simple carbohydrate?

• Monosaccharides

• Glycogen

• Mucins

• Proteoglycans

Where is glycogen primarily stored in the human body?

• Lungs

• Brain

• Kidneys

• Liver

Which enzyme is effective in digesting both branched and straight chain glycogens?

• Beta amylase

• Salivary amylase

• Diastase

• Alpha amylase

What is the purpose of the PAS technique in demonstrating glycogen?

• To form a bright red magenta end product

• To release glucose and maltose

• To digest abnormal glycogenases

• To inhibit non-specific background staining

Which technique involves the formation of hydrogen bonds between glycogen and carminic acid?

• Hematoxylin & Eosin

• Hexamine silver technique

• Best's carmine technique

• Iodine technique

What is the function of ammonium hydroxide solution in the Best's carmine technique?

• Serve as a solvent for carminic acid

• Inhibit the electrostatic bonding

• Improve the final picture

• Form electrostatic bound with background

Which oxidizing agent is commonly used with the Schiff's reagent in the PAS technique?

• Lead tetra acetate

• Potassium permanganate

• Hydrogen peroxide

• Chromic acid

What is the primary source of energy in humans?

• Proteoglycans

• Glycolipids

• Glycogen

• Mucins

Which of the following is a diagnostic application of glycogen?

• Adenocarcinoma of lung

• Carcinoma of Kidney

• Tumours

• Glycogen storage diseases