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1. Largest organ of the body
• ANSWER>> - Skin
2. One-celled microorganism with both plant and animal characteristics
• ANSWER>> - Bacteria
3. An optical instrument used for viewing very small objects and germs
• ANSWER>> - Microscope
4. A bacterium, virus, or other microorganism that can cause disease
• ANSWER>> - Pathogen
5. Sphere-shaped pathogenic bacteria that appear singly or in clusters
• ANSWER>> - Cocci
6. Spherical bacteria that grow in pairs and can cause disease
• ANSWER>> - Diplococci
7. Fluid contained within the outer cell wall of bacteria
• ANSWER>> - Protoplasm
8. Rod-shaped bacteria which caused an outbreak at a pedicure due to
improper disinfection of a whirlpool foot bath
• ANSWER>> - Mycobacterium fortuitum furunculosis
9. What are the two stages of a bacteria’s life cycle?
, • ANSWER>> - Active (vegetative) stage and spore-forming (inactive)
stage
10. Process by which bacteria divide into two new cells
• ANSWER>> - Binary fission
11. The invasion and growth of germs in the body
• ANSWER>> - Infection
12. What is the term for harmless (non-disease forming) germs?
• ANSWER>> - Non-pathogenic
13. A disease spread from person to person by contact is called
• ANSWER>> - Contagion
14. A tiny, nonliving particle that invades and then reproduces inside a living
cell
• ANSWER>> - Virus
15. Virus that causes AIDS
• ANSWER>> - HIV
16. Organism that lives in or on another living organism and does nothing
beneficial for the host
• ANSWER>> - Parasite
17. Disease-causing bacteria or viruses which are carried through blood and
body fluids
• ANSWER>> - Bloodborne pathogens
18. A contagious skin disease marked by itching and small rash caused by the
itch mite
• ANSWER>> - Scabies
19. The outermost layer of the skin
• ANSWER>> - Epidermis
, 20. The layer of skin directly beneath the epidermis
• ANSWER>> - Dermis
21. The deepest layer of the skin, composed of fat and connective tissue
• ANSWER>> - Subcutaneous layer (hypodermis)
22. Which layer of the epidermis is the site of active cell division?
• ANSWER>> - Stratum basale (germinativum)
23. The protein that gives skin its strength and elasticity
• ANSWER>> - Collagen
24. The protein that provides elasticity and resilience to skin
• ANSWER>> - Elastin
25. The pigment that determines skin color
• ANSWER>> - Melanin
26. Cells that produce melanin
• ANSWER>> - Melanocytes
27. The uppermost, dead layer of the epidermis that is shed regularly
• ANSWER>> - Stratum corneum
28. Glands that secrete sebum (oil) to lubricate skin and hair
• ANSWER>> - Sebaceous glands
29. Glands that secrete sweat to cool the body
• ANSWER>> - Sudoriferous glands (eccrine and apocrine)
30. The part of the hair that lies above the skin surface
• ANSWER>> - Hair shaft
31. The part of the hair that is embedded below the skin surface
• ANSWER>> - Hair root