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1. What are saprophytes? Microbs that live and grow
a. Microorganisms that rely on a living host to sustain off dead or decaying or-
their existence. ganic matter
b. Viruses with a short life span that commonly reside
in body orifices.
c. Microorganisms that live and grow off dead or de-
caying organic matter.
d. Fungi that require high humidity and high temper-
atures for optimum growth.
2. Microorganisms that normally live in the deep folds Resident
and cracks of the skin or in body orifices are called
a. resident.
b. transient.
c. pathogenic.
d. non-pathogenic.
3. What is the shape of bacteria that are classified as Round
cocci?
a. Rod.
b. Spiral.
c. Round.
d. Hexagonal.
4. Bacterial cells that are rod-shaped are classified as Bacilli
a. cocci.
b. bacilli.
c. spirilla.
d. flagella.
5. What type of microorganism only multiplies within Viruses
living cells and requires the use of an electron micro-
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scope to be seen?
a. Spores.
b. Protists.
c. Viruses.
d. Spirochetes.
6. Bacteria that cause wound infections are called Pyogens
a. hosts.
b. pyogens.
c. pyrogens.
d. normal flora
7. What group of bacteria causes the most common type Staphylococci
of postoperative wound infections?
a. Spirochetes.
b. Streptococci.
c. Enteric bacilli.
d. Staphylococci.
8. Which of the following bacteria is a spore-former that Clostridium Perfringens
causes gas gangrene?
a. Clostridium tetani.
b. Treponema pallidum.
c. Clostridium perfringens.
d. Mycobacterium tuberculosis
9. Which type of bacteria has a wax-like coating around Mycobacterium Tubercu-
the cells that makes it difficult to destroy? losis
a. Escherichia coli.
b. Proteus mirabilis.
c. Pseudomonas aeruginosa.
d. Mycobacterium tuberculosis.
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10. The disease we call the "common cold" is caused by numerous Rhinoviruses
a. a herpes virus.
b. enteric bacilli.
c. tubercle bacilli.
d. numerous rhinoviruses.
11. Which virus causes infectious hepatitis? ??
a. Herpes virus hominis.
b. Hepatitis virus type A.
c. Hepatitis virus type B.
d. Human immunodeficiency virus.
12. What term is used to describe any inanimate object Fomite
capable of harboring and transmitting a disease?
a. Carrier.
b. Fomite.
c. Vector.
d. Reservoir
13. What mode of disease transmission can occur if you Indirect Contact
handled a bloody sponge with your bare hands and
then fail to wash your hands before touching a new
patient?
a. Vector route.
b. Vehicle route.
c. Direct contact.
d. Indirect contact.
14. A live carrier, such as a rodent or insect, that transfers Vector
an infectious agent from one host to another is called
a
a. vector.
b. vehicle.