Bio.426 Quiz Il- Immune, respiratory, and urinary systems Wanda Knauss Summer 20

Question

Bio.426 Quiz Il- Immune, respiratory, and urinary systems Wanda Knauss Summer 2018 There are 30 questions on this quiz. This quiz is worth 2.5 points of the lecture grade. Oynter wlhems nier will Immune System Questions: 1) Interleukins are chemical signals by which immune cells communicate with each other. (True or False) 2) Lymphatic vessels recover about A. 5% B. 15% C. 25% D. 50% of the fluid filtered by capillaries. 3) All these forces help lymph to flow except A. rhythmic contractions of lymphatic vessels. B. the thoracic pump. C. the skeletal muscle pump. D. the lymphatic node pump. 4) Immune surveillance is a process in which destroy foreign cells and diseased host cells. A. T lymphocytes (T cells) B. reticular cells C. natural killer (NK) cells D. macrophages nonspecifically detect and 5) All these belong to the second line of defense except A. the macrophage system. B. natural killer cells. C. inflammation. D. the gastric juices are secreted by cells infected with viruses, alerting neighboring 6) cells and protecting them from becoming infected. A. Complement system globulins B. Interferons C. Granzymes D. Interleukins 7) Humoral immunity takes care of intracellular viruses, whereas celular immunity takes care of extracellular viruses. (True or False)

Explanation / Answer

1. True

2.Lymphatic vessels recover about 15% of the fluid filtered by capillaries.

3. All these forces help lymph to flow except the lymphatic node pump

4. Immune surveillance is a process in which natural killer cells nonspecifically detect and destroy foreign cells and diseased host cells.

5. All these belong to the second line of defense except the gastric juices.

6. Interferons are secreted by cells infected with viruses, alerting neighboring cells and protecting them from becoming infected.

7. True

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