The movement of digested food into the blood or lymph is called absorption. The

Question

The movement of digested food into the blood or lymph is called absorption. The combination of chewed food and saliva is called chime. Corprophagia is an important nutrient source for some species. Excess use of antibiotics can kill the normal intestinal microflora, increasing inflammation by pathogenic bacteria. Zymogens are inactive forms of liver enzymes. The complement system integrates innate and adaptive immune responses. Interferons provide specific immunity. Beta interferon is now being used to treat hepatitis B and C. The population of T lymphocytes in the blood is larger than that of the B lymphocyte

Explanation / Answer

17. No – Digested food will leave the body through feces . Large, complex molecules of proteins, polysaccharides, and lipids must be reduced to simpler particles before they can be absorbed by the digestive epithelial cells. Absorption is the movement of molecules across the gastrointestinal (GI) tract into the circulatory system.

18. No - Chewed food mixed with saliva is called Bolus. Chyme is a thick semifluid mass of partially digested food and digestive secretions that is formed in the stomach and intestine during digestion

19. No - Coprophagia is the technical term for stool eating. It would seem there are a lot of pets (primarily dogs) out there snacking on stool.

20. Yes

21. No – Zymogens are synthesized in an initially inactive (but folded) form which is converted to an active form by specific proteolytic cleavage. Ex. Stomach and pancreatic enzymes- Pepsinogen to pepsin

22. Yes - complement is a functional bridge between innate and adaptive immune responses that allows an integrated host defense to pathogenic challenges

23. No – Interferons provide non specific immunity

24. No - Both hepatitis B and hepatitis C are treated with Interferon-

25. Yes

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