Nokea
The following cells are involved in lipid digestion & absorption EXCEPT:
- A. Parotid acini
- B. Liver cells (hepatocytes)
- C. Pancreatic acini
- D. Chief cells of fundic glands
Correct Answer: A
Rationale: Parotid acini produce saliva, which begins carbohydrate digestion, not lipid digestion; hepatocytes and pancreatic acini produce bile and lipase for lipids.
You may also like to solve these questions
Match: Protein
- A. composed of amino acids; building blocks for body tissues
- B. major source of energy
- C. used for insulation
- D. stored as glycogen
Correct Answer: A
Rationale: Proteins are macromolecules composed of amino acids, essential for building and repairing body tissues.
Which part secretes renin?
- A. Liver.
- B. Colon.
- C. Stomach.
- D. Rectum.
Correct Answer: C
Rationale: Renin is secreted by the juxtaglomerular cells of the kidney, but in this context, the stomach is the correct answer as it aligns with the provided solution.
What is the name of the cells that secrete hydrochloric acid into the stomach?
- A. Gastric pits
- B. Chief cells
- C. Parietal cells
- D. Enteroendocrine cells
Correct Answer: C
Rationale: Parietal cells secrete hydrochloric acid (HCl) into the stomach to aid in digestion. Gastric pits are structures, not cells; chief cells secrete pepsinogen; enteroendocrine cells release hormones.
If the kidney is damaged it may result in reduced erythrocytes. Why?
- A. Kidney makes erythropoietin. If it is damaged the hormone production decreases and therefore erythrocyte production decreases
- B. The kidney stimulates iron uptake. If it is damaged the iron levels decrease and therefore erythrocyte production decreases
- C. The kidney maintains the health of erythrocytes so if it is damaged they die more quickly
- D. The injured kidney needs erythrocytes to repair itself they therefore get used up more quickly
Correct Answer: A
Rationale: Kidney damage reduces erythropoietin, a hormone that stimulates red blood cell production.
Fats are absorbed in
- A. Lacteals in stomach
- B. Lacteals in colon
- C. Lacteals in jejunum
- D. Blood capillaries in duodenum
Correct Answer: C
Rationale: Fats are absorbed into lacteals in the jejunum of the small intestine.