Science Homework Help

I’m working on a Microbiology question and need guidance to help me study.

1. Acid fast staining is good for identifying what type of organism?

– gram-positive bacterium

– Aoeba’s

• mycobacterium

2. Before giving blood the clinician rubs your skin with alcohol. This is an example of what type of microbial control?

• aseptic technique
• Anti-septic technique
• Sterilization
• Degerming

3. Do Protozoa have a nucleus?

• Yes
• No

4. During mitosis the centrioles are on the opposite side of the chromosome and pull them apart during what phase?

• metaphase
• anaphase
• telophase
• prophase

5. How do we make sure sterilization happens?

• run a full cycle and auto clave
• Soak in soap and water for one hour
• Spray with 10% bleach and 90% water mixture wipe immediately
• Wipe it alcohol

6. A patient is put on Humira to treat an inflammatory autoimmune disease. If aspergillus infects the lungs of this individual, this would be an example of what type of fungal disease?

• superficial
• systemic
• subcutaneous
• opportunistic

7. If you get a cut is hydrogen peroxide the preferred antimicrobial to put on them or want?

• Yes
• No

8. In reference to previous question. Why or why not is Hydrogen Peroxide side good?

• yes it is good – it only harms harmful bacteria
• No it is not good- does not kill enough microbes to be useful
• No it is not good to use- it destroys the cell walls of all living cells regardless if they are pathogenic or not
• Yes it is good – kills all of the pathogenic microbes

9. If you have giraridia what infected you?

• bacteria
• fungus
• Worms
• Protozoa

11. In order to sound intelligent instead of just being considered gross, you inform your houseguest the hair is just some Hyphae? What is Hyphae?

• bacteria slime
• long strands of bacteria
• an antioxidant
• used for reproduction of mold

12. In order to treat H. Pylori (common cause of stomach ulcer) you’re prescribed both amoxicillin and clarithromycin. Why are you prescribed two antibiotics?

• The synergistic effect of these antibiotics make them stronger
• Each Antibiotic works better on a different region of the body
• To kill the bacteria faster
• In case H. Pylori is resistant to one of them

15. Lichens are a form of what kind of relationship?

• none of the above
• Symbiotic
• Dysfunctional
• Parasitic

16. Life has been found on the Solar de Uyuni (salt flats of Bolivia) it was a form of bacteria. What type would it be?

• Mycoplasm
• Hyperthermaphile
• Halobacterium
• Methanobacterium

17. Located on the floor of the ocean there are several volcanic (steam) vents. Vent the steam from inner earth. Life was found on these vents. What type would it be?

• Protozoa
• Halophile
• Hyperthermophile
• Methanobacterium

19. Many fungus form sacs that will eventually pop and spread fungus. What is the sac referred to?

• spore
• cyst
• Mycellum
• Crypt

20. White blood cells moving a small bacteria. When the White blood cell catches the bacteria what is the method of destruction used?

• Neutralizing (blocking receptors)
• Phagocytosis
• None of the above
• Lysis

21. Penicillium is a form of what kind of microorganism?

• bacteria
• Protozoa
• mold
• Algae

22. Rapidly heating juice to a very high temperature for a very short period of time, then calling it quickly, in order to make it shelf stable, is what form of microbial control?

• ultra high temperature pasteurization
• Ultra high temperature sterilization
• Flash pasteurization
• Batch pasteurization

23. What structure in a fungi cell wall is unique to fungi?

• Peptidoglycan
• Phospholipid
• Waxy
• chitin

24. Tinea versicular (small white dots on skin surface) would be what kind of Mycoses?

• systematic
• subdural
• subcutaneous
• cutaneous

26. What algae contains chlorophyll in it?

• Green
• red
• brown
• Chartreuse

27. What are Lichens?

• mold
• Algae
• A combination of algae and fungus
• Worms

28. What are helminths classified as?

• Prokaryotes
• Animals
• Plants
• Protozoa

30. What is Mycoses?

• bacterial infection
• Helminthes infection
• Fungal infection
• Viral infection

31. What kind of microbe is Paramecium classified as?

• Bacteria
• Fungus
• Worms
• Protozoa

33. What is the vector for malaria to get into humans?

• Ticks
• Fleas
• Mites
• Mosquito

35. What part of bacteria stores the information needed for survival?

• Cell wall
• Plasmid
• Nucleus
• Ribosome

36. Where would you most likely find an enterobacteria?

• Skin
• Intestines
• Airways
• Blood

37. Which of these has a waxy cell wall?

• Gram negative bacteria
• Gram positive bacterium
• Amoeba’s
• Mycobacterium

38. Which of these has the same type of cell wall as humans?

• Gram negative bacteria
• Gram positive bacterium
• Amoeba’s
• Mycobacterium

39. Which of these is not classified as a eukaryote?

• Amoeba
• Helminthes
• Protozoa
• Bacteria

40. Which one of these has a three layer cell wall?

• gram negative bacterium
• Amoeba’s
• Gram postive bacterium
• Mycobacterium

41. Who is credited with the notion of “an illness is specific to a certain pathogen”?

• Pasteur
• Koch
• Felmming
• Erlich

42. You get infected with Mrsa ( methicillin resistant staphylococcus aureus). What did you get?

• A very dangerous cluster of balls
• A very dangerous chain of rods
• A very dangerous cluster of rods
• A very dangerous row of balls

47. One of the most important functions we can do to prevent the spread of microbes was discovered by Dr. Ignaz Semmelweis. What did he promote?

• antibiotics
• Personal protective equipment
• Handwashing
• The auto clave

48. You observe a slide under a microscope and the bacteria is a pinkish color. What are the two classifications it could be?

• mycobacterium
• Fungus
• Gram-negative
• Gram-positive

49. Your friend comes home from a trip to Bangkok with the brand new tattoo written in Thai. You ask what it says and inquire if the needle was clean. Your friend claims the title says awesome dude standing here and of course the needle was clean, it was wiped with alcohol. What type of microbial control happened? (can be multiple answers)

• Degerming
• Sanitation
• Sterilization
• Disinfecing

50. What type of microbial Control must be done to prevent the spread of disease on a needle? (can be multiple answers)

• sanitation
• disinfecting
• sterilization
• Degerming