10-13

Question 1

T/F - A patient with tuberculosis should be placed in protective isolation

Answer 1

False

Question 2

T/F - There is no need to refrigerate urine specimens for culture if they are clean-catch midstream specimens

Answer 2

False

Question 3

T/F - Soil can contain the spores that cause botulism, gas gangrene, and tetanus

Answer 3

True

Question 4

T/F - Cerebrospinal fluid specimens are treated as “STAT” specimens in the clinical microbiology laboratory

Answer 4

True

Question 5

T/F - By practicing standard precautions, health care workers will be protected from becoming infected, regardless of the type of infectious disease that the patient has

Answer 5

False

Question 6

T/F - A leukopenic patient should be placed in a patient room having positive air pressure

Answer 6

True

Question 7

T/F - Yersinia pestis, the bacterium that causes plague, is one of the pathogens most often discussed as a potential biologic weapon

Answer 7

True

Question 8

T/F - Influenza is an example of a contagious disease

Answer 8

True

Question 9

T/F - The most common zoonotic infection in the United States is Rocky Mounted spotted fever

Answer 9

False

Question 10

T/F - The largest waterborne outbreak ever to occur in the Unites States was caused by giardia lamblia

Answer 10

False

Question 11

T/F - Many clinical specimens labeled “sputum” are actually saliva specimens

Answer 11

True

Question 12

T/F - Joseph Lister is considered the “father of handwashing”

Answer 12

False

Question 13

T/F - Chlamydial genital infections and gonorrhea are the two most common nationally notifiable infectious diseases in the United States

Answer 13

True

Question 14

T/F - Bacteriuria is a sure sign of urinary tract infection

Answer 14

False

Question 15

T/F - Bacteria are the only pathogens that have become drug resistant

Answer 15

False

Question 16

T/F - Gonorrhea is considered to be a communicable disease, but not a contagious disease

Answer 16

True

Question 17

T/F - Zoonotic diseases are diseases that humans acquire from zoo animals

Answer 17

False

Question 18

T/F - Cerebrospinal fluid specimens should be refrigerated en route to the clinical microbiology laboratory

Answer 18

False

Question 19

T/F - One of the major factors contributing to health care –associated infections is the failure of health care personnel to follow infection control guidelines

Answer 19

True

Question 20

T/F - Water containing 1 coliform per 100 mL would be considered potable

Answer 20

True

Question 21

T/F - Members of a hospital’s infection prevention and control committee would investigate outbreaks and epidemics that occur within that hospital

Answer 21

True

Question 22

T/F - Many of the pathogens involved in health care –associated infections come from the patients themselves

Answer 22

True

Question 23

T/F - A superinfection with Clostridium difficile could lead to diseases such as antibiotic-associated diarrhea and pseudomembranous colitis

Answer 23

True

Question 24

T/F - Recovery of Chlamydia trachomatis and Neisseria gonorrhoeae from nongenital sites requires culture on specialized media such as Thayer-Martin or Martin-Lewis agar

Answer 24

True

Question 25

T/F - An infection that results from urinary catheterization would be considered an iatrogenic infection

Answer 25

True

Question 26

T/F - The director of the clinical microbiology laboratory (CML) is ultimately responsible for the quality of clinical specimens submitted to the CML

Answer 26

False

Question 27

T/F - The clinical microbiology laboratory is part of the clinical pathology division of the pathology department

Answer 27

True

Question 28

T/F - Poor - quality clinical specimens are unlikely to produce clinically relevant results

Answer 28

True

Question 29

T/F - Special disinfection procedures are required to prevent indigenous microbiotas of the skin from contaminating blood cultures

Answer 29

True

Question 30

T/F - The levels of chlorine routinely used for water treatment are sufficient to kill Giardia cysts and Crytopsproidium oocysts

Answer 30

False

Question 31

T/F - Many of the membranes of our indigenous microbiota have the potential to cause disease.

Answer 31

True

Question 32

T/F - Some of the bacteria used in bioremediation are naturally occurring, but others haver been genetically engineered.

Answer 32

True

Question 33

T/F - Most relationships between humans and microbes are beneficial rather than harmful

Answer 33

True

Question 34

T/F - There could be as many as 10 trillion microbes that live on and in us.

Answer 34

True

Question 35

T/F - Microbial communities known as biofilms are interesting, but they have no medical significance.

Answer 35

False

Question 36

T/F - Microbes cause thousands of different types of plant diseases.

Answer 36

True

Question 37

T/F - No microbes are able to live in the stomach because of the extremely low pH of the stomach contents.

Answer 37

False

Question 38

T/F - Microbes are unable to live in the colon because of the lack of oxygen there.

Answer 38

False

Question 39

T/F - The most common organisms in the indigenous microbiota of the mouth are various species of B-hemolytic streptococci.

Answer 39

False

Question 40

T/F - Beneficial microbes far outnumber harmful ones.

Answer 40

True