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Name: Class: Date: Ch 18 Review 7th gr Modified True / False 1. A vaccine results when pathogens invade the body, multiply, and harm the body’s cells. _________________________ ANSWER: False - An infection 2. Washing your hands regularly is an unhealthful behavior. _________________________ ANSWER: False - a healthful 3. Many pathogens reproduce best at your body's normal temperature. _________________________ ANSWER: True 4. If a medical professional has told you to take medicine, follow how you feel as you take the medication. _________________________ ANSWER: False - the directions 5. Spreading pathogens by direct contact with others happens when a person breathes air that has pathogens from someone sneezing in it. _________________________ ANSWER: False - indirect contact 6. Germs can be spread directly by sharing cups or utensils. _________________________ ANSWER: False - indirectly 7. Your body makes antigens to fight off infection. _________________________ ANSWER: False - antibodies 8. The immune system creates memory cells in response to vaccines. _________________________ ANSWER: True 9. The immune system is your body’s first line of defense. _________________________ ANSWER: False - five major barriers 10. A disease is a condition that occurs when pathogens enter the body, multiply, and cause harm. _________________________ ANSWER: False - infection 11. A higher body temperature makes it harder for pathogens to reproduce. _________________________ ANSWER: True 12. Everyone is born with a natural immunity. _________________________ ANSWER: True Powered by Cognero Page 1 Name: Class: Date: Ch 18 Review 7th gr 13. Antibodies are white blood cells that attack pathogens. _________________________ ANSWER: False - lymphocytes 14. Mononucleosis occurs more than any other communicable disease. _________________________ ANSWER: False - the common cold 15. Flu symptoms usually affect people more quickly and more seriously than cold symptoms do. _________________________ ANSWER: True 16. Fortunately, measles is under control in the United States as a result of vaccines. _________________________ ANSWER: True 17. Chicken pox is spread when a person comes in contact with the saliva of an infected person. _________________________ ANSWER: False - mononucleosis 18. Hepatitis A is common in areas with poor vaccines. _________________________ ANSWER: False - sanitation Multiple Choice 19. What is a communicable disease? a. a disease that can not be spread from one person to another b. a disease that can be spread to a person from another person, an animal, or an object c. a disease that people are talking to one another about or that is in the news d. a disease that can be spread to a person from another person, but can not be caught from an animal or an object ANSWER: b 20. What are viruses? a. extremely small single-celled organisms with no cell nucleus b. primitive single- or many-celled organisms that cannot make their own food c. single-celled organisms that have a nucleus d. tiny nonliving particles that invade and take over healthy cells ANSWER: d Powered by Cognero Page 2 Name: Class: Date: Ch 18 Review 7th gr 21. A person who is contagious __________ a. is about to catch a disease. b. does not spread pathogens to others by direct or indirect contact. c. can spread pathogens to others by direct or indirect contact. d. has just gotten over a disease. ANSWER: c 22. Tears __________ a. do not help protect you from pathogens. b. help foreign material get into your eyes. c. trap pathogens but do not kill them. d. protect the eyes from dust and pathogens. ANSWER: d 23. Inflammation __________ a. is a sign that something is seriously wrong with your body. b. is your body’s first response to injury or disease. c. is a sign that there are no pathogens in your body. d. is your body’s way of telling you that you are about to come into contact with pathogens. ANSWER: b 24. If you have a cold, you should ____ a. not be concerned about others catching your cold. b. touch people often because contact with others will make you feel better. c. stand close to other people so they won’t think you’re avoiding them. d. always cover your mouth and nose when you sneeze and cough. ANSWER: d 25. What is the contagious period of a disease? a. The time when a particular disease can be spread from person to person. b. The time when a particular disease can no longer be spread from person to person. c. The time just before someone catches a particular disease. d. The time someone takes to think about precautions to avoid catching a particular disease. ANSWER: a Powered by Cognero Page 3 Name: Class: Date: Ch 18 Review 7th gr 26. Today, chicken pox, measles, and mumps ____ a. are common in the U.S. because most children are vaccinated against these diseases. b. are becoming more common in the U.S. because most children are no longer vaccinated against these diseases. c. are much less common in the U.S. because most children are vaccinated against these diseases. d. are a problem in the U.S. because there are no vaccinations against these diseases. ANSWER: c 27. The communicable disease that occurs most frequently is __________ a. the flu. b. mononucleosis. c. pneumonia. d. the cold. ANSWER: d 28. When a person with a communicable disease is contagious, __________ a. they can no longer spread the disease to other people. b. they are most likely to spread the disease to other people. c. they are least likely to spread the disease to other people. d. they are no longer showing symptoms of the disease. ANSWER: b Completion In the space, write the word(s) from the list that best completes each statement. antigen immunity specific response fever antibodies 29. ____________________ are proteins that attach to antigens, keeping them from harming the body. ANSWER: antibodies In the space, write the word(s) from the list that best completes each sentence. pneumonia lungs cold strep throat liver 30. Tuberculosis is a bacterial disease that usually affects the ____________________. ANSWER: lungs Powered by Cognero Page 4 Name: Class: Date: Ch 18 Review 7th gr In the space, write the word(s) from the list that best completes each statement. contagious period hepatitis mononucleosis rest tuberculosis 31. You can help treat your cold by getting plenty of ____________________ and drinking lots of fluids. ANSWER: rest Matching Match the symptoms with the communicable disease below. a. common cold b. strep throat c. influenza d. tuberculosis e. hepatitis f. mononucleosis 32. high fever, joint and muscle aches ANSWER: c 33. cough, fatigue, persistent fever, night sweats, weight loss ANSWER: d 34. sore throat, fever, chills, body aches, loss of appetite, nausea, vomiting, swollen tonsil or glands ANSWER: b 35. weakness, fatigue, nausea, vomiting, fever, yellowing of eyes, abdominal pain, dark urine ANSWER: e 36. swollen lymph glands, headaches, sore muscles, sore throat, fever, fatigue ANSWER: f 37. runny nose, sneezing, coughing, sore throat, headache, and mild fever ANSWER: a Powered by Cognero Page 5