Ch.18 Mircobiology

Question 1

__________ are bacteria that requires oxygen to grow.

Answer 1

Aerobes

Question 2

Human prion disease affects the_________.

Answer 2

Brain

Question 3

Hepatitis ____ is spread through fecal-oral contamination.

Answer 3

A

Question 4

HIV infects ______ cells

Answer 4

T

Question 5

__________ are bacteria that grow in the absence of oxygen.

Answer 5

Anaerobes

Question 6

Epstein-Barr virus (EBV) is a herpes simplex virus that causes __________.

Answer 6

Burkitt lymphoma

Question 7

Hepatitis ____ presents the highest risk for dental personnel.

Answer 7

B

Question 8

________ are chemicals that can destroy viruses in an external environment.

Answer 8

Chlorine (Bleach)

Question 9

Viruses are the _____ of the major groups of microorganisms.

Answer 9

Smallest

Question 10

__________ is an opportunistic infection caused by fungi.

Answer 10

Oral Candidiasis

Question 11

_______ infections cannot be prevented by general antibiotics.

Answer 11

Viral

Question 12

Dental assistants should be immunized against ________ viral infection.

Answer 12

Hepatitis B

Question 13

________ was a French chemist who disproved the theory of spontaneous generation of life.

Answer 13

Louis Pasteur

Question 14

______ is found when a virus establishes a latent state in a host cell.

Answer 14

Provirus

Question 15

________ causes cold sores on the lips.

Answer 15

Herpes simplex virus type 1

Question 16

The ______ microorganism causes chickenpox, shingles, measles, and herpes.

Answer 16

Herpesvirus

Question 17

__________ are disease-producing microorganisms

Answer 17

Pathogens

Question 18

Fungi are one-celled organisms that lack _______.

Answer 18

Chlorophyll

Question 19

______infects only liver cells because of specificity.

Answer 19

Hepatitis

Question 20

_______ is the leading cause of death worldwide.

Answer 20

Tuberculosis

Question 21

____________ are pertaining to microorganisms that do not produce human illness.

Answer 21

Nonpathogenic

Question 22

The microorganism _______ contains chlorophyll.

Answer 22

Algae

Question 23

__________ is a public health concern because it causes an infection that is resistant to some antibiotics such as penicillin.

Answer 23

Methicillin-resistant Staphylococcus aureus (MRSA)

Question 24

__________ is spread through sexual contact with an infected person and by needle sharing among drug users.

Answer 24

HIV

Question 25

________ bacteria have a spherical shape

Answer 25

Cocci

Question 26

________ are disease producing molecules that lack nucleic acid.

Answer 26

Prions

Question 27

_____, _____, _____, and _____ are chemicals that can destroy viruses in the external environment.

Answer 27

Chlorine, iodine, phenol, and formaldehyde

Question 28

Kill time of _______ is the benchmark for the effectiveness of a surface disinfectant.

Answer 28

Tuberculosis

Question 29

Bacilli bacteria has a ______ shape.

Answer 29

Rodlike

Question 30

_______ diseases cannot be transmitted through radiation.

Answer 30

Viral

Question 31

Tetanus is a disease that is commonly known as ______.

Answer 31

Lockjaw

Question 32

__________ disease is caused by a spore-forming bacillus found in soil.

Answer 32

Tetanus

Question 33

Hepatitis ___ can be prevented by an immunization.

Answer 33

B

Question 34

It is important for the dental assistant to have a foundation in ______ to understand the nature of pathogens and to know how to prevent disease transmission in the dental office.

Answer 34

Microbiology

Question 35

_________ is the most resistant form of life known.

Answer 35

Spores

Question 36

______ can live and multiply only inside an appropriate host cell.

Answer 36

Viruses

Question 37

Generalized measles-type rash, grayish-white mucous patches on the tongue, and split papules at the corners of the mouth are all dental signs on _____________.

Answer 37

Second-stage infectious syphilis

Question 38

Microbiology is the study of ______

Answer 38

Microorganisms

Question 39

The __________ bacteria normally live in the intestinal tract of insects.

Answer 39

Rickettsiae

Question 40

Young women of childbearing age are most at risk for the ______ virus.

Answer 40

Zika