Copyright

Biology: Diseases & Prevention Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. All of the following are examples of fomites EXCEPT:

Question 2 2. A disinfectant:

Question 3 3. How would you classify an epidemic of a particularly virulent disease that spreads to large parts of the world's continents?

Question 4 4. Emily is on her way to visit a friend in a hospital. She's healthy, but as she's walking towards the hospital she trips, opening a small wound in her leg. Does she have a high likelihood of getting a nosocomial infection? Why or why not?

Question 5 5. A disease that is rapid in onset, short in duration, and often severe and rapidly changing is known as a(n):

Page 2

Question 6 6. You start to feel sick but have yet to experience the full onset of clinical signs and symptoms. Which stage of disease is this?

Question 7 7. Microbes that reside within or on the body of a person, some of which are beneficial to survival, are called:

Question 8 8. How does horizontal disease transmission differ from vertical disease transmission?

Question 9 9. A disease or condition of long duration that takes a long time to develop and progress is known as a(n):

Question 10 10. The number of microbes necessary to infect a host in 50% of a sample population is known as _____.

Page 3

Question 11 11. Some of the bacteria that may cause a nosocomial infection are _____.

Question 12 12. What is the difference between a sterilant and a disinfectant?

Question 13 13. Candida is a form of yeast that exists naturally in a person's genitourinary and gastrointestinal tracts. Candida does not typically cause harm to the body, but instead lives in a peaceful co-existence with its host. This is an example of:

Question 14 14. Which of the following groups is an example of systemic diseases?

Question 15 15. Which of the following statements about the period of convalescence is FALSE?

Page 4

Question 16 16. A disease is present in a population or geographic region at consistent levels and periods of time is:

Question 17 17. _____ refers to the degree of pathogenicity of a microbe.

Question 18 18. Not washing your hands while in a hospital would most likely _____.

Question 19 19. How can we distinguish virulence from pathogenicity?

Question 20 20. Which of the following is NOT a location where human flora reside?

Page 5

Question 21 21. Gabriel has full-blown AIDS. He has recently contracted Kaposi's sarcoma (KS) due to his weakened immune system. Gabriel's KS is an example of a(an) _____.

Question 22 22. Microbes, such as fungi and bacteria, that take advantage of a host's weakened immune system are known as:

Question 23 23. You examine the health statistics from the past five years for X country. The data reveals an average of 3,500 confirmed cases of Influenza B in the month of January for each of those years. This year, approximately 9,000 cases of Influenza B have been confirmed across the country for the month of January. This is considered an epidemic because:

Question 24 24. Which of the following is a disease NOT caused by an infection?

Question 25 25. Carter has worms in his intestines and beneficial bacteria in his gut. How would we distinguish the relationships he has with these two life forms?

Page 6

Question 26 26. The most likely agents to cause a nosocomial infection include:

Question 27 27. Which of the following reflects disease transmission by direct contact?

Question 28 28. A relationship between two different species of organisms where one benefits and the other is hurt is known as _____.

Question 29 29. How can a person's immune system contribute to symptoms of disease?

Question 30 30. What does an antiseptic do?

Biology: Diseases & Prevention Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

PCAT: Study Guide & Test Prep  /  Standardized Tests Courses
Support