zvahora4 zvahora4 13-01-2020 Health contestada QUESTION 1 There have been moments in recorded human history when humans have been disease-free. True False 2 points QUESTION 2 The biological agent that attaches itself to healthy cells is called a virus. True False 2 points QUESTION 3 Which organism is the cause of ringworm? Virus Bacteria Protozoan Fungus 2 points QUESTION 4 Polio is caused by a virus. True False 2 points QUESTION 5 Protozoan are multiple-celled organisms. True False 2 points QUESTION 6 Infectious diseases can be spread by food and air. True False 2 points QUESTION 7 Which disease does bacteria cause? Pneumonia Flu Smallpox Strep throat 2 points QUESTION 8 White blood cells are a defense mechanism for infectious disease. True False 2 points QUESTION 9 West Nile virus is spread by the bite of a: tick flea mosquito bee 2 points QUESTION 10 The pathogen that causes malaria is __________. virus protozoan fungi bacteria 2 points QUESTION 11 The pathogen for ringworm is __________. fungi virus bacteria protozoan 2 points QUESTION 12 Bacterium is the pathogen for polio. True False 2 points QUESTION 13 Malaria and chickenpox are caused by a virus. True False 2 points QUESTION 14 Viruses can be transmitted to humans through insect bites. True False 2 points QUESTION 15 Bird flu is caused by a virus. True False 2 points QUESTION 16 Which of the following symptoms best describes an effect of mononucleosis? Enlargement of the neck glands Tiredness and fatigue Dehydration Frequent urination 2 points QUESTION 17 Antibiotics kill viruses, but not bacteria. True False 2 points QUESTION 18 Ultraviolet rays are carcinogenic. True False 2 points QUESTION 19 Metastasis is the term that describes the spread of cancer. True False 2 points QUESTION 20 When a clot blocks a cerebral artery, __________ can occur. a heart attack angina a stroke bulimia 2 points QUESTION 21 Carcinogen is: when cancer spreads. a substance that causes cancer. a term that means the same as an aneurysm. the chemicals used to stop the spread of cancer. 2 points QUESTION 22 A malignant tumor is cancerous. True False 2 points QUESTION 23 Asthma can be treated with antibiotics. True False 2 points QUESTION 24 Eating a low salt diet can increase high blood pressure. True False 2 points QUESTION 25 The term benign means a tumor will not cause cancer. True False