25. Which of the following pairs is mismatched? a basophils release histamine b.

Question

25. Which of the following pairs is mismatched? a basophils release histamine b. plasma cells release perforin c. T-cytotoxic cells- release granzymes d. T-helper cells release interleukin-2 e. neutrophils release defensin 26. Which of the following statements is false? a. b. c. d. e. lymphatic vessels are closest in their histology to arteries lymphatic ducts eventually empty into subclavian veins thymus glands are large in infants but atrophy in adults pharyngeal tonsils are also called adenoids Peyer's patches are clusters of lymph nodes in the ileum 27. With innate immunity each time the body is exposed to a substance, the response is the same. specificity and memory are involved. the body may become immune to a disease. antibodies may be produced. all of these a. b. c. d. e. 28. Which of the following statement is false about the lymphatic organs/ tissues? a. NK cells are large granular lymphocytes of the innate system b. thymus mounts immune responses against bacteria and viruses c. tonsils are lymphatic structures found in the respiratory tract d. haptens are very small molecular weight antigens to illicit a response on their own e. lymph nodes cleans the lymph of microbes, cancer cells and other antigens 29. Which of the following represents the pathway of lymph from the systemic capillaries to the heart? a. lymphatic capillaries-lymphatic vessels-lymphatic ducts-subc b. lymphatic vessels- lymphatic trunks- lymphatic c. lymphat d. lymphatic capillaries-subclavian vlymphatic trunks- lymphatic vessel-lymphatic ducts --heart lavian vlymphatic trunks-.heart ducts- ymphatic capillaries--subelavian .heart ie capillaries-lymphatic vessels- lymphatic trunk-lymphatic duct-subclavian-heart lymphatic vessels lymphatic capillaries-- lymphatic trunks- subclavian v.-lymphatic ducts heart 30. It is correct to assume action by the innate defense when, a. antibodies are produced. b. specificity and memory are involved. c. the body becomes immune to a disease. d. each time the body is exposed to a substance, the response is the e. All of the above occur

Explanation / Answer

25. (b) Plasma cells release perforin

26 (a) Lymph vessels are closest in their histology of arteries.

27. (a) each time the body is exposed to a substance, the response is the same

28. (d) haptens are very small molecular weightantigens to illicit response on their home

29. (c) Lymphatic capillaries-lymphatic vessels-lymphatic trunk-lymphatic ducts-subclavian veins-heart.

30. (a) antibodies are produced.

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