Excess amino acids are deaminated & converted into urea in -
- A. Kidneys
- B. Liver
- C. Spleen
- D. Pancreas
Correct Answer: B
Rationale: The liver deaminates excess amino acids and converts them into urea.
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Formation of gallstones is referred to as:
- A. jaundice
- B. cirrhosis
- C. hepatitis
- D. cholelithiasis
Correct Answer: D
Rationale: Cholelithiasis is the medical term for the formation of gallstones.
Decreased levels of bile salts in the bile would interfere with digestion of:
- A. Fat
- B. Disaccharides
- C. Complex carbohydrates
- D. Protein
Correct Answer: A
Rationale: Bile salts emulsify fats, breaking them down into smaller droplets to facilitate digestion by lipase enzymes.
A compound called Bilirubin gives bile its colour. Where does it come from?
- A. It is a break down product of haemoglobin
- B. It is produced by the liver to help digestion
- C. It is the break down product of fats
- D. It is produced by the intestine to help digestion
Correct Answer: A
Rationale: Bilirubin is a breakdown product of hemoglobin from red blood cells, processed by the liver and excreted in bile.
Which of the following enzymes formed in the pancreas aids in protein digestion?
- A. Amylase
- B. Lipase
- C. Trypsinogen
- D. Trypsin
Correct Answer: D
Rationale: Trypsin, activated from trypsinogen, is a pancreatic enzyme that digests proteins.
What is the major function of the podocyte?
- A. To keep large molecules out of the nephron
- B. To strengthen the glomerular capillaries
- C. To act as macrophages in the kidney
- D. To detect chemical changes in the blood
Correct Answer: A
Rationale: Podocytes form a filtration barrier in Bowman's capsule, preventing large molecules from entering the filtrate.