30 What property of water is sweating taking advantage of a

30) What property of water is sweating taking advantage of? a) adhesion b) heat of vaporization c) universal solvent d) heat of condensation 31) What happens when the complement system gets activated? a) Inflammation begins b) You sense pain Specific plasma proteins assemble d) Macrophages assemble 32) Which chemical barrier addresses a viral infection a) Interferon. b) Epinephrine c) Sweat d) Complement 33) Which of the following is a function of the lymphatic system? a) Movement of skeleton b) Production of vitamin D c) Absorbing fats from intestine d Exchange of oxygen and carbon dioxide 34) How are lymphatic capillaries different from blood vessels? a) They contain valves b) They are tubes that allow diffusion c) They bring fluid back to the heart d) They are part of an open system 35) The series of chemical reactions that brings together a group of plasma proteins to destroy a bacterial threat is called the a) Complement system. b) Activation system c) Interferon activation system d) Active immunity re-joins cardiovascular circulation. a) the heart b) the lymph node c) the spleen d) the major veins of the chest 37) Any fungus, bacterium or virus that infects and produces disease is a(an) a) Pathogen. b) Prion. c) Antigen d) Parasite defense that protects the body 38) The skin is ain) from foreign invaders a) Innate b) Acquired c) Activated d) Complemented 39) What is the name of the lymphatic structure C? a) thymus b) lymph node c) spleen. d) tonsil 40) Which of the following is an example of natural active immunity? a) Being given an attenuated form of a virus b) Breast feeding c) Acquiring the flu from work or school d) Flu vaccine 41) Which statement below is FALSE? a) One of the homeostatic functions of skin is to regulate b) temperature part ofskin and yet is The epidermis is the bloodless not dead. c) Viruses secrete interferon to interfere with the complement system. d) Fever increases the activity ofthe cells of the immune system to aid in a quicker recovery 42) Which factor has NOT been linked to increased cancer risk? viruses b) diet c) heredity d) cholesterol 43) How might viruses initiate cancer? a) Depressing the immune system b) Altering host cell DNA and cell function. c) A and B d) None of these 44) Which diet(s) is(are) linked to higher cancer rates? a) High alcohol consumption b) High fat content c) Low consumption of fruit and vegetables d) All of these 45) Free radicals a) damage DNA. b) protect against cancer c) are found in citrus fruits d) are anti-oxidants

Solution

30. d

31. a

32.b

33.a

34. d

35. c

36. c

37. a

38. d

39 b

40. d

41. c

42. b

43. d

44. a

45. a