Chapter 46

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Microbiology and Disease
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1

Which of the following refers to the study of microorganisms?

A. Pharmacology

B. Microbiology

C. Hematology

B. MICROBIOLOGY

2

Which of the following is a characteristic of resident normal flora?

A. They are normally found on the skin and within the human body

B. They have no effect on animals but are dangerous to humans

C. They are referred to as pathogenic

A. THEY ARE NORMALLY FOUND ON THE SKIN AND WITHIN THE HUMAN BODY

3

An example of a subcellular microorganism is?

A. Virus

B. Bacterium

C. Protozoan

A. VIRUS

4

Which of the following is an example of a microorganism that is classified a prokaryotic cell?

A. Fungus

B. Virus

C. Bacterium

C. BACTERIUM

5

Which of the following is a characteristic of a subcellular microorganism?

A. Complex cell structure containing a nucleus

B. Highly structured organism with specialized organelles in the cytoplasm

C. Noncellular structure in which the nucleic acid is surrounded by a protein coat

C. NONCELLULAR STRUCTURE IN WHICH THE NUCLEIC ACID IS SURROUNDED BY A PROTEIN COAT

6

Which of the following are characteristics of prokaryotic cells?

A. They are noncellular

B. They are simply structured with a single chromosome and no organelles

C. They are highly structured and contain nucleus

B. THEY ARE STRUCTURED WITH A SINGLE CHROMOSOME AND NO ORGANELLES

7

Which of the following are characteristics of eukaryotic cells?

A. They have a complex cell structure containing a nucleus and specialized organelles in the cytoplasm

B. They have a simple cell structure

C. They are noncellular

A. THEY HAVE A COMPLEX CELL STRUCTURE CONTAINING A NUCLEUS AND SPECIALIZED ORGANELLES INTHE CYTOPLASM

8

Which classification of microorganisms contains protozoans, fungi, and parasites?

A. Subcellular

B. Prokaryotic

C. Eurkaryotic

D. Bacteria

C. EUKARYOTIC

9

A microorganism capable of causing disease is a?

A. Pathogen

B. Macrophage

C. Nucleotide

A. PATHOGEN

10

Which of the following can weaken the body's ability to fight infection?

A. High-protein diet

B. Cancer treatment

C. Proper hygiene habits

B. CANCER TREATMENTS

11

Beneficial bacteria found in the body that perform functions such as producing vitamins are called?

A. Antigens

B. Normal flora

C. Immune flora

C. NORMAL FLORA

12

What disorder is a complication of a strep infection manifested by inflammation of the heart tissue?

A. Tetanus

B. Rheumatic fever

C. Pertusis

B. RHEUMATIC FEVER

13

The viral infection that affects the salivary glands, causing fever, headache and inflammation of the glands is?

A. Whooping cough

B. Meningitis

C. Mumps

D. Rubella

C. MUMPS

14

The respiratory disease that causes fever, cough, sore throat, runny or stuffy nose, muscle or body aches, headaches, and fatigue, and is spread by airborne transmission is?

A. Mumps

B. Measles

C. Influenza

D. Pertusis

C. INFLUENZA

15

A 9 year old who has a high fever, headache, and an itchy rash. Although Amy usually has a good appetite, her mother says she has not been hungry for the past few days. The rash is starting to blister. Which of the following diseases might you suspect?

A. Chickenpox

B. Rubella

C. Diphtheria

A. CHICKENPOX

16

Mononucleosis is caused by which of the following?

A. Varicella-zoster virus

B. Enterovirus vermicularis

C. Epstein-Barr virus

C. EPSTEIN-BARR VIRUS

17

3 Year old Tyler's parents report that he has had a runny nose and a mild cough for the last several days. They brought him in because the coughing has become terrible in the past 24 hours. While getting the history, you notice a "whoop" sound as Tyler inhales after a severe coughing spell, what is the most probable cause?

A. Tetanus B. Diphtheria C. Croup

D. Rubella E. Pertusis

E. PERTUSIS

18

Which of the following microorganisms cause diseases that are a leading cause of death in developing countries because of lack of proper sanitation?

A. Viruses

B. Bacteria

C. Protozoans

C. PROTOZOANS

19

Which of the following are examples of diseases caused by viruses?

A. Gonorrhea and meningitis

B. Tinea pedis and Vaginal yeast infections

C. Malaria and trichomoniasis vaginitis

D. Chickenpox, hepatitis, and influenza

D. CHICKENPOX, HEPATITIS, AND INFLUENZA

20

Which of the following are characteristics of viruses?

A. They cannot be seen with a regular microscope

B. They reproduce by budding and do not cause disease in humans

C. They are single-celled organisms that reproduce very quickly

A. THEY CANNOT BE SEEN WITH A REGULAR MICROSCOPE

21

Bacteria are most commonly classified according to their?

A. Ability to retain certain dyes

B. Ability to grow in the presence or absence of air

C. Biochemical reactions

D. Shape

D. SHAPE

22

The comma shaped bacteria are?

A. Bacilli

B. Vibrios

C. Cocci

D. Spirilla

B. VIBRIOS

23

The spiral shaped bacterium are?

A. Bacillus

B. Coccus

C. Spirillium

D. Vibrio

C. SPIRILLIUM

24

Which of the following bacteria grow in grape-like clusters and are commonly found on skin?

A. Diplococci

B. Mycobacteria

C. Staphylococci

D. Mycoplasma

C. STAPHYLOCOCCI

25

Which type of bacteria causes boils, acne, abscesses, food poisoning and a type of pneumonia?

A. Diplococci

B. Spirilla

C. Staphylococci

D. Streptococci

C. STAPHYLOCOCCI

26

What is the term for the type of cocci that are in pairs?

A. Vibrios

B. Streptococci

C. Diplococci

C. DIPLOCOCCI

27

What is the shape of streptococci bacteria?

A. Chains

B. Pairs

C. Grape-like clusters

A. CHAINS

28

Diplococci bacteria are responsible for causing?

A. Boils, acne, and abscesses

B. Gonorrhea and some form of meningitis

C. Gastroenteritis and tetanus

B. GONORRHEA AND SOME FORM OF MENINGITIS

29

Which of the following microorganisms cause infections such as strep throat, certain types of pneumonia and rheumatic fever?

A. Streptococci

B. Mycobacteria

C. Rickettsia

A. STREPTOCOCCI

30

Which of the following types of bacteria are responsible for gastroenteritis, tuberculosis, whooping cough, botulism and tetanus?

A. Spirilla

B. Bacilli

C. Staphylococci

B. BACILLI

31

Which of the following types of bacteria are responsible for infections such as syphilis and Lyme disease?

A. Staphylococci

B. Spirilla

C. Vibrios

B. SPIRILLA

32

Which of the following types of bacteria are responsible for diseases such as cholera?

A. Spirilla

B. Vibrios

C. Staphylococci

B. VIBRIOS

33

What is the name of a solution of a dye or group of dyes that imparts a distinctive color to microorganisms?

A. Smear

B. Wet mount

C. Stain

C. STAIN

34

Which of the following is the most common staining procedure, which differentiates bacteria according to the chemical composition of their cell walls?

A. Gram stain

B. Methylene blue stain

C. Acid-fast stain

D. Congo red stain

A. GRAM STAIN

35

The acid-fast stain procedure is a?

A. Preparation of a specimen in a liquid that allows the organisms to remain alive and mobile

B. Procedure for identifying bacteria with a waxy cell wall

C. Smear in which a specimen is spread thinly and unevenly across the slide

B. PROCEDURE FOR IDENTIFYING BACTERIA WITH A WAXY CELL WALL

36

Which of the following are bacteria that grow best in the presence of oxygen?

A. Mordants

B. Aerobes

C. Keratins

B. AEROBES

37

A preparation of a specimen in a liquid that allows the organisms to remain alive and mobile while being identified is a(n)?

A. Stain

B. Culture

C. Smear

D. Wet mount

E. Mordant

E. MORDANT

38

Which of the following is true regarding anaerobes?

A. They grow best in the presence of oxygen

B. They are identified by biochemical reactions that occur within the cell

C. They grow best in the absence of oxygen

A. THEY GROW BEST IN THE PRESENCE OF OXYGEN

39

A sample of a specimen that is placed in or on a substance that allows microorganisms to grow is a?

A. Stain

B. Smear

C. Wet mount

D. Culture

D. CULTURE

40

Facultative bacteria are bacteria that?

A. Grow best in the presence of oxygen

B. Grow in the presence or absence of oxygen

C. Grow best in the absence of oxygen

B. GROW IN THE PRESENCE OR ABSENCE OF OXYGEN

41

In which of the following is a specimen spread thinly and unevenly across a slide?

A. Stain

B. Smear

C. Culture

B. SMEAR

42

Which of the following, found in insects such as ticks and mites are responsible for diseases such as rocky mountain spotted fever and typhus?

A. Mycobacteria

B. Chlamydiae

C. Mycoplasmas

D. Rickettsiae

D. RICKETTSIAE

43

The genus that causes Tuberculosis and leprosy is?

A. Staphylococcus

B. Mycobacteria

C. Streptococcus

B. MYCOBACTERIA

44

Which of the following cause eye disease, venereal disease, and a form of pneumonia?

A. Spirilla

B. Rickettsiae

C. Chlamydiae

C. CHLAMYDIAE

45

Fungi that grow into large, fuzzy, multicelled organisms that produce spores are called?

A. Keratins

B. Molds

C. Spirilla

B. MOLDS

46

Which of the following is an organism that lives on or in another organism and uses that other organism for its nourishment, or for some other advantage, to the detriment of the host organism?

A. Mordant

B. Fungus

C. Colony

D. Yeast

E. Parasite

E. PARASITE

47

An infection caused by a parasite is called a(n)?

A. Outbreak

B. Mordant

C. Infestation

C. INFESTATION

48

Which of the following is a parasitic disease?

A. Syphilis

B. Pneumonia

C. Hepatitis

D. Scabies

D. SCABIES

49

Which of the following reproduce by budding?

A. Viruses

B. Protozoans

C. Yeasts

C. YEASTS

50

Which of the following involves culturing a specimen and then testing the isolated bacteriums susceptibility to antibiotics?

A. Culture and sensitivity

B. KOH mount

C. Acid-fast stain

A. CULTURE AND SENSITIVITY

51

Which of the following is an agent that kills microorganisms or suppresses their growth?

A. Culture

B. Smear

C. Stain

D. Mordant

E. Antimicrobial

E. ANTIMICROBIAL

52

Which of the following guidelines for the preparation and transportation of a specimen to an outside laboratory for pathologic study?

A. Use whatever collection device is available

B. Maintain the sample in a state as close to its original state as possible

C. Use the same specimen for both microbiologic and pathologic exam

B. MAINTAIN TEH SAMPLE IN A STATE AS CLOSE TO ITS ORIGINAL STATE AS POSSIBLE

53

Which of the following is an inflammation of the heart tissue that occurs most frequently in school age children as a result of an untreated strep throat?

A. Colitis

B. Tuberculosis

C. Rheumatic Fever

C. RHUEMATIC FEVER

54

Which of the following specimens would be collected if the practitioner suspect TB?

A. Stool specimen

B. Wound specimen

C. Throat culture specimen

D. Sputum specimen

D. SPUTUM SPECIMEN

55

Which of the following should be included when obtaining a throat culture specimen from a patient?

A. Wear exam gloves, goggles, and a mask or face shield

B. Instruct all adult patients to lie down for the procedure

C. Swab the back of the throat, including the uvula and the soft tissue hanging from the roof of the mouth

A. WEAR EXAM GLOVES, GOGGLES, AND A MASK OR FACE MASK

56

Which type of specimen is examined for the presence of parasites such as roundworms or tapeworms?

A. Throat culture

B. Stool specimen

C. Wound specimen

B. STOOL SPECIMEN

57

Mary has come in to the medical office complaining of an infection involving her left great toenail. Which of the following tests will the practitioner order for this condition?

A. Smear

B. Culture

C. Gram stain

D. Wet mount

E. KOH mount

E. KOH MOUNT

58

Which of the following should you include when preparing a KOH mount?

A. Suspend the specimen in a drop of 10% potassium hydroxide '

B. Avoid covering the specimen with a coverslip

C. Exam specimen immediately after obtaining it

D. Refrigerate the specimen if you cannot examine it immediately after obtaining it.

D. REFRIGERATE TEH SPECIMEN IF YOU CANNOT EXAMINE THE SPECIMEN IMMEDIATELY AFTER OBTAINING IT.

59

The hard protein that makes visualizing the fungus possible during a KOH mount is calles?

A. Keratin

B. Mordant

C. Agar

A. KERATIN

60

Which of the following would you include in the preparation of a microbiologic specimen smear?

A. Rub the specimen swab vigorously over the frosted part of the slide

B. Wave the slide in the air to help dry

C. Heat-fix the slide with the smear side up

C. HEAT-FIX THE SLIDE WITH THE SMEAR SIDE UP

61

A substance that can intensify or deepen the response of a specimen to a stain is called a?

A. Keratin

B. Mordant

C. Agar

B. MORDANT

62

Which of the following would you include when performing a gram stain?

A. Cover only a small area of the specimen on the side with the crystal violet stain

B. Allow the stain to sit no more than 10 seconds

C. Cover the entire specimen area with iodine and allow it to remain for 1 minute

C. COVER THE ENTIRE SPECIMEN ARE WITH IODINE AND ALLOW IT TO REMAIN FOR 1 MINUTE

63

Which of the following is a distinct group of organisms that can be seen on the surface of the culture medium?

A. Mordant

B. Colony

C. Agar

B. COLONY

64

The gelatin-like substance derived from seaweed that gives a culture medium its consistency is called?

A. Keratin

B. Agar

C. Mordant

B. AGAR

65

Determination of the number of bacteria present in specimens is called?

A. Quantitative analysis

B. Sensitivity testing

C. Staining

A. QUANTITATIVE ANALYSIS

66

Determination of the type of pathogen is called?

A. Quantitative analysis

B. Sensitivity testing

C. Qualitative analysis

C. QUALITATIVE ANALYSIS

67

What information must be included on a laboratory request form?

A. Type of organism suspected

B. Patient's phone number

C. Source of the microbiologic specimen

C. SOURCE OF THE MICROBIOLOGIC SPECIMEN

68

Creutzfeldt-Jakob disease (CJD) AND Bovine spongiform encephalopathy (BSE) are caused by a

A. Virus

B. Bacterium

C. Protozoan

D. Fungus

E. Prion

E. PRION

69

Which of the following is a virus that infects and gradually destroys components of the immune system resulting in AIDS?

A. SARS

B. HIV

C. MRSA

B. HIV

70

Procedures for packaging and labeling a specimen for mail delivery are set by?
A. OSHA

B. EPA

C. WHO

D. CDC

D. CDC

71

A living microorganism or its toxin may cause human disease that is transported through the US MAIL MUST be marked as a(N)?

A. Mordant

B. Virus

C. Infestation

D. Etiologic agent

D. ETIOLOGIC AGENT