1. Which of the following is not one of the "I"s?
a. Inspection
b. Identification
*c. Induction
d. Incubation
e. Inoculation

2. A mixed culture is_____________.
a. the same as a contaminated culture
b. one that has been adequately stirred
*c. one that contains two or more known species
d. a pond sample containing algae and protozoa

3. Who said, "All life comes from life"?
a. Fannie Hesse
*b. Louis Pasteur
c. Antonie Van Leeuwenhoek
d. Robert Koch


4. The term culture refers to the _______ growth of the microorganisms in ________.
a. rapid, an incubator
*b. macroscopic, media
c. microscopic, the body
d. artificial, colonies


5. Agar is superior to gelatin as a solidifying agent because agar
a. does not melt at room temperature
b. solidifies at 47 degrees C
c. is not usually decomposed by microorganisms
*d. both a and c


6. A subculture is a
a. colony growing beneath the media surface
b. culture made from a contaminant
c. culture made in an embryo
*d. culture made from an isolated colony

7. What is the first procedure to identify a bacteria after doing an culture?
a. decide if it a bacillis or coccci.
*b. Do a gram stain test to decide if it is gram negative or positive.
c. identify based on color and shape
d. identify under light microscope.

7. What kind of bacteria tend to be killed by penicillin and detergents?
a. gram-negative bacteria
*b. gram-positive bacteria
c. Mycobacterium tuberculosis
d. Bacillus

8. Which type of stain would you use to diagnose tuberculosis or leprosy?
a. Gram staining
b. Special staining
c. Endospore staining
*d. Acid-Fast stain

9. What best describes complete RBC destruction?
a. Alpha hemolysis
*b. Beta hemolysis
c. Selective hemolysis
d. Differential hemolysis


10. Bacteria that require growth factors and complex nutrients are termed:
a. enriched media
b. functional type
c. culture
*d. fastidious

11. Which bacteria contain large amounts of negative charged substances that stain readily tihe crystal violet, methylene blue, and safranin?
a. Gram negative bacteria
*b. Gram positive bacteria

13. ______________ , inhibit most gram-positive bacteria while permitting many gram-negative rods to grow

*a. bile salts
b. uria
c. saliva
d. semen

14. A microscope that has a toatal magnification of 1500x when using the oil immersion objective has an ocular of what power?
a. 150x
b.1.5x
*c. 15x
d. 30x