1. growth replication determined by the environment 

  A. bacteria 

  B. fungi

  C. viruses

  D. protozoa

      Ans: A

 

2. tend to mutate or change during replication making it very difficult for a host to develop adequate_________immunity. 

  A. bacteria

  B. fungi

  C. viruses 

  D. protozoa

      Ans: C

 

3. touching infectious lesion or sexual intercourse 

  A. direct contact 

  B. indirect contact

  C. droplet transmission

  D. vector-borne

  E. noscomial

      Ans: A

 

4. released after cell death and may cause fever, weakness, or may have serious effects on the circulatory ------------------ dysfunction. 

  A. endotoxins 

  B. exotoxins

      Ans: A

 

5. the reservoir is the source of infection (person,animal, water, food) 

  A. true 

  B. Fals

       Ans:A 

 

6. pathogens are: 

  A. disease causing microbes germs or bugs 

  B. non disease causing and are benificial

      Ans:A

 

7. occurring when respiratory of salivary secretions containing pathogens such as influenza or tb are --------------- expelled from the body. 

  A. direct contact

  B. indirect contact

  C. droplet transmission 

  D. vector-borne

  E. nosocomial

     Ans: C

 

8. diffuse through bodily fluid and they stimulate antibodies or antitoxin production. 

  A. endotoxins

  B. exotoxins 

      Ans:B

 

9. common signs and symptoms include cysts, abdominal pain, appeteite loss, ulcers, anemia. 

  A. bacteria

  B. fungi

  C. viruses

  D. protozoa 

     Ans:D

 

10. some have an external capsule or slime layer offering additonal protection against human defenses. 

  A. bacteria 

  B. fungi

  C. viruses

  D. protazoa

      Ans:A

 

11. single individuals or localized groups 

  A. epidemic 

  B. pandemic

  C. endemic

      Ans:A

 

12. live and grow EVERYWHERE (animals, plants, humans, food, medical equipment) 

  A. bacteria

  B. fungi 

  C. viruses

  D. protozoa

      Ans:B

 

13. worms, not microorganisms but are parasites and cause infection in humans. they destroy living cells and  ----------- are common in intestines, heart, worms, hookworms, whipworms, and round worms. 

  A. influenza

  B. amebic dysentery

  C. helminths 

      Ans:C

 

14. drugs derived from organisms such as penicillin from mold. now many drugs are synthetic 

  A. anitmicrobials

  B. anitibiotics 

  C. bactericidal

      Ans: B

 

15. causes skin infections 

  A. staphylococci 

  B. streptoccia

  C. diplococci

      Ans: A

 

16. not causing disease and may be benificial 

  A. pathogenic

  B. non-pathogenic 

      Ans:B

 

17. ends when the host reisitance becomes effective 

  A. incubation period

  B. prodromal period

  C. acute period 

       Ans:C

 

18. genetic material takes over control of the host cell, using the host's capacity for cell metabolism for -------------------- replication. 

  A. bacteria

  B. fungi

  C. viruses 

  D. protozoa

      Ans:C

 

19. staph that has developed resistance to Penicillin and methicillin and related drugs, primary mode of --------------------- transmission is hands, life threatening

  A. VRE

  B. MRSA (methicillin resistant staphlococcus aureus)

       Ans:B  

20. protozoa that causes a sexually transmitted infection of the reproductive tracts of men and women, -------------------- attaching to the mucous membranes and causing inflammation. 

  A. amebic dysentery

  B. helminths

  C. trichomonas vaginalis 

      Ans:C

 

21. worldwide infection 

  A. epidemic

  B. pandemic 

  C. endemic

      Ans:B

 

22. AIDS is caused by: 

  A. the herpes virus

  B. poor personal hygiene

  C. the HIV virus 

  D. contaminated food

       Ans:C

 

23. infection to a certain area consistently occurring in that popluation 

  A. epidemic

  B. pandemic

  C. endemic 

      Ans:C

 

24. spread through spores which are reisistant to temp changes and chemicals 

  A. bacteria

  B. fungi 

  C. viruses

  D. protozoa

      Ans:B

 

25. Bacteria and viruses can enter the body through: 

  A. oily skin

  B. dry skin

  C. broken skin 

  D. moist skin

      Ans:C

 

 26. the time between entry of the organism into the body and appearnace of clinical signs symptoms of the --------------------- disease.

  A. incubation period 

  B. prodromal period

  C. acute period

      Ans: A

 

27. cultures, blood tests, and radiology (x rays) are used to diagnose infection 

  A. true 

  B. false

      Ans:A

 

28. growth promoted by warmth and moisture 

  A. bacteria

  B. fungi 

  C. viruses

  D. protozoa

       Ans:B

 

29. infection occur in health care facilities including hospitals by any method (MRSA, VRE.) 

  A. direct contact

  B. indirect contact

  C. droplet transmission

  D. vector-borne

  E. nosocomial 

      Ans: E

 

30. involving intermediary such as a contaminated hand or food or inanimate objects 

  A. direct contact

  B. indirect contact 

  C. droplet transmission

  D. vector-borne

  E. nosocomial

      Ans: B  

 

31. causes pneumonia 

  A. staphylococci

  B. streptoccia

  C. diplococci 

      Ans: C

 

32. causes respiratory infections 

  A. staphylococci

  B. streptoccia 

  C. diplococci

       Ans: B

 

33. require oxygen, carbs, a specific pH, temp 

  A. bacteria 

  B. fungi

  C. viruses

  D. protazoa

       Ans:A

 

34. very few are pathogenic, most are considered beneficial since they are important in the production of ----------------- yogurt, beer, and other foods, as well as serving as a source of antiboitic drugs 

  A. bacteria

  B. fungi 

  C. viruses

  D. protozoa

      Ans: B

 

35. amebic dysentery of large intestines creating severe diarrhea and live abscesses, is caused by a parasite -------------- in the large intestines, vietnam vets, banannas. 

  A. STD

  B. amebic dysentery 

  C. helminths

      Ans: B

 

36. may cause infection in the oral cavity (thrush in infants) or vaginal infection 

  A. tinea pedis

  B. candida 

      Ans:B

 

37. transmitted by oral fecal route, sex, water, shelfish, 

  A. hep a 

  B. hep b

  C. hep c

  D. hep d

    Ans:A

 

38. can live independently, some live on dead organic matter, and others are parasites living on or in another -------------- iving host. 

  A. bacteria

  B. fungi

  C. viruses

  D. protozoa  

       Ans: D

 

39. Which are specific to target antifugal, antiviral, antibacterial, these drugs are unique to the type of  --------------- organism and are NOT interchangeable. 

  A. antibiotics

  B. antimicrobials 

  C. broad spectrum

      Ans: B

 

40. unicellular microorganisms that do NOT require living tissue to survive. they are very simple in structure -------------- with a very complex cell wall and they reproduce. 

  A. viruses

  B. bacteria 

  C. fungi

  D. protozoa

      Ans:B

 

41. Which exist in many similar forms or strains 

  A. bacteria

  B. fungi

  C. viruses 

  D. protozoa

     Ans: C

 

42. when an insect or animal serves as an intermediary in a disease such as malaria 

  A. direct contact

  B. indirect contact

  C. droplet transmission

  D. vector-borne 

  E. nosocomial

      Ans: D

 

43. more complex organism, unicellular, mobile, lack  a cell wall, and may change shapes 

  A. bacteria

  B. fungi

  C. viruses

  D. protozoa 

       Ans:D

 

44. hepatitis is a viral infection from liver 

  A. true 

  B. false

      Ans: A  

 

45. hard to control, they can hide inside the human cell; they can alter the host cell chromosomes, thus ------------------ leading to the development of malignant cells or cancer. 

  A. bacteria

  B. fungi

  C. viruses 

  D. protozoa

       Ans:C

 

46. a very small parasite that requires a LIVING host cell for replication. 

  A. bacteria

  B. fungi

  C. viruses 

  D. protozoa

       Ans:C

 

47. Ultrasonic bath cleaners are an effective way to clean tiny crevices in implements only when used with: 

  A. 70% isopropyl alcohol

  B. sodium hypochlorite

  C. an effective disinfectant 

  D. an effective astringent

       Ans:C  

48. most common nosocomial infection in the world, anaerovic bacterium infection, acquired in hospitals, ------------------ develop colities following antibiotic intake, 1/3 infected dont have symptoms. 

  A. Staph

  B. VRE

  C. clostridium difficile 

        Ans:C

 

50. some remain latent after invasion; they enter the host cells and replicate very slowly or not at all until -------------- some later time. 

  A. bacteria

  B. fungi

  C. viruses 

  D. protozoa

      Ans:C