Explain the significance of the alkaline mucous layer lining the interior surface of the stomach
A) The mucous layer protects against foreign pathogens in the gastric lumen.
B) The mucous layer modifies the pH of food for better digestion.
C) The mucous layer activates antibodies to kill microorganisms in the gastric lumen.
D) The mucous layer protects epithelial cells from the acid and enzymes in the gastric lumen.
E) The mucous layer keeps food from sticking to the walls of the stomach so it can enter the small intestine.
Answer: D
You might also like to view...
What happens in oxidation-reduction (redox) reactions?
What will be an ideal response?
The average menstrual cycle is about ________ days long; ovulation occurs on about day ________.
A. 24; 14 B. 30; 24 C. 32; 16 D. 20; 10 E. 28; 14
The brachiocephalic trunk delivers blood to
A) the left arm. B) the right arm. C) the left arm and neck. D) the right arm and neck. E) the right arm, head and neck.
The tapered, conical inferior end of the spinal cord is called the conus
A. finalis. B. medullaris. C. equine. D. caudalis. E. sacralis.