1. What branch of science focuses on the study of tiny living organisms?
Answer: Microbiology.
2. What type of organism has only one cell?
Answer: Bacteria.
3. Which bacteria do not cause disease?
Answer: Non-pathogenic bacteria.
4. What type of bacteria causes infection and diseases?
Answer: Pathogenic bacteria.
5. What shape do cocci bacteria have?
Answer: Round.
6. Which bacteria grow in bunches?
Answer: Staphylococci.
7. Which bacteria grow in chains?
Answer: Streptococci.
,8. Which bacteria grow in pairs?
Answer: Diplococci.
9. What shape do bacilli bacteria have?
Answer: Rod-shaped.
10. What shape do spirilla bacteria have?
Answer: Spiral-shaped.
11. How do bacteria grow, and what are the two types of immunity that can occur?
Answer: Bacteria can grow actively or inactively, and there is active immunity (antibodies self-made) and
passive immunity (antibodies received).
12. What is the purpose of sanitation, disinfection, and sterilization?
Answer: Sanitation removes dirt or debris, disinfection is used to destroy microbes on nonporous
surfaces, and sterilization is used to destroy all microbes.
13. What is the difference between antiseptic and disinfectant products?
Answer: Antiseptic products reduce microbes when applied to the skin, while disinfectant products,
such as virucidal, kill viruses.
14. Which government agencies are responsible for ensuring worker safety and environmental
protection?
, Answer: OSHA (Occupational Safety and Health Administration) and EPA (Environmental Protection
Agency).
15. What is a Material Safety Data Sheet (MSDS)?
Answer: A document providing information on a substance's properties, handling, use, and safety
precautions.
16. How should porous items be disposed of, and what should be done with sharp objects?
Answer: Porous items should be discarded after each use, and sharp objects like razor blades should be
disposed of in puncture-proof containers.
17. What are the basic parts of a cell, and what is the control center of cell activities?
Answer: The basic parts of a cell are the nucleus, cytoplasm, and cell membrane; the nucleus is the
control center of cell activities.
18. What does anatomy study, and what does physiology study?
Answer: Anatomy studies the organs and systems of the body, while physiology studies organ functions
and body performance.
Cytoplasm ✔️Where the cell activities take place
Cell membrane ✔️Outer surface of cell which encloses the protoplasm
Mitosis ✔️cells grow and divide