Nokea
Which of the following substances is considered inorganic?
- A. minerals
- B. fats
- C. carbohydrates
- D. proteins
Correct Answer: A
Rationale: Minerals are inorganic substances, unlike fats, carbohydrates, and proteins, which are organic.
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Optimum pH for salivary amylase
- A. 1.8
- B. 7.8
- C. 6.8
- D. 3.4
Correct Answer: C
Rationale: Salivary amylase (ptyalin) works optimally at a pH of around 6.8, close to neutral.
Match: Monosaccharide
- A. simplest component of a carbohydrate
- B. building block of proteins
- C. component of nucleic acids
- D. form of stored energy
Correct Answer: A
Rationale: Monosaccharides, such as glucose, are the simplest units of carbohydrates and serve as immediate energy sources.
The greater omentum does not participate in:
- A. secretion of enzymes
- B. support and cushioning of the viscera
- C. storage of lipids
- D. protection against the spread of infection
Correct Answer: A
Rationale: The greater omentum provides structural support, lipid storage, and protection against infection spread, but it does not secrete enzymes.
Small finger-like projection, which produce numerous microscopic projections are supplied with a network of
- A. Blood capillaries and lacteal
- B. Blood capillaries only
- C. Lacteal only
- D. A large lymphoid vessel and valves
Correct Answer: A
Rationale: Villi contain blood capillaries and lacteals for absorbing nutrients like glucose and fats.
Kupffer's cells are found in ______________.
- A. Liver.
- B. Pancreas.
- C. Small intestine.
- D. Large intestine.
Correct Answer: A
Rationale: Kupffer cells are specialized macrophages located in the liver, where they play a role in filtering blood and immune response.