Nokea
Process of absorption of nutrients is carried out by
- A. Passive transport
- B. Facilitated transport
- C. Active transport
- D. All of the above
Correct Answer: D
Rationale: Nutrient absorption involves passive, facilitated, and active transport mechanisms.
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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.
Which of the following hormones stimulates the production of pancreatic juice and bicarbonate?
- A. Insulin and glucagon
- B. Cholecystokinin and secretin
- C. Gastrin and insulin
- D. Angiotensin and epinephrine
Correct Answer: B
Rationale: Secretin and cholecystokinin stimulate the pancreas to release pancreatic juice and bicarbonate.
Which is the possible cause of a urinary tract infection?
- A. bacteria in the urinary system
- B. calcium buildup in the kidney
- C. prostate enlargement
- D. kidney stones
Correct Answer: A
Rationale: Bacteria in the urinary system are the most common cause of urinary tract infections.
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.
During the process of defecation, which of the following changes takes place?
- A. Relaxation of the internal anal sphincter
- B. Contraction of the external anal sphincter
- C. Relaxation of the rectal smooth muscle
- D. Decreased intra-abdominal pressure compared to the resting state
Correct Answer: A
Rationale: The internal anal sphincter relaxes reflexively during defecation to allow stool passage, while the external sphincter is voluntarily controlled.