Nokea
Of the following, which organ does food NOT pass through?
- A. pancreas
- B. stomach
- C. mouth
- D. small intestine
Correct Answer: A
Rationale: Food does not pass through the pancreas; it produces digestive enzymes that aid digestion.
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Which of the following would MOST directly affect the operations of the digestive system?
- A. osteoporosis
- B. liver damage
- C. heart attack
- D. kidney failure
Correct Answer: B
Rationale: Liver damage directly impacts digestion by reducing bile production, essential for fat breakdown.
By which process, most of glucose and amino acids are absorbed in the small intestine?
- A. Active transport
- B. Passive transport
- C. Osmosis
- D. Selective absorption
Correct Answer: A
Rationale: Glucose and amino acids are primarily absorbed via active transport in the small intestine.
The pancreas makes the following hormones:
- A. Oestrogen and progesterone
- B. Insulin and Glucagon
- C. Testosterone and Oestrogen
- D. Anti Diuretic Hormone and adrenalin
Correct Answer: B
Rationale: The pancreas produces insulin and glucagon to regulate blood sugar.
Saliva contains two enzymes. What are they?
- A. Amylase and pepsin
- B. Amylase and lysozyme
- C. Amylase and lipase
- D. Amylase and renin
Correct Answer: B
Rationale: Saliva contains salivary amylase (ptyalin) for starch digestion and lysozyme for antibacterial action. Pepsin is in the stomach, lipase is mainly pancreatic, and renin is unrelated to saliva.
The nutrient that is needed in small amounts that helps to regulate body processes and perform chemical reactions is
- A. vitamins
- B. minerals
- C. fibre
- D. carbohydrate
Correct Answer: A
Rationale: Vitamins are required in small amounts to regulate body processes and support various chemical reactions in the body.