Rasmussen MCB2289 Final Exam Latest 2019 January Question # 00599583 Subject: Education Due on: 03/18/2019 Posted On: 03/18/2019 01:10 PM Tutorials: 1 Rating: 5.0/5

MCB2289
Introduction to Microbiology

Final Exam

Question 1

Which
of the following cannot be and should not be treated with antibiotics?

Answers:

Strep throat

Tuberculosis

Common cold

Diphtheria

Question 2

Complex
communities of microorganisms on surfaces are called

Answers:

Colonies

Biofilms

Biospheres

Flora

Question 3

All of
the following are nitrogen-fixing bacteria except

Answers:

Cyanobacteria

Staphylococcus

Rhizobium

Azotobacter

Question 4

Legionella,
Thiobacillus and Burkholderia are examples of

Answers:

Facultative anaerobic gram-negative rods

Gram-negative aerobic
rods

Spirochetes

Anaerobic gram-negative cocci

Question 5

A
complication of influenza that can occur in children and adolescents is a
condition known as

Answers:

Reye Syndrome

Rheumatic fever

Mononucleosis

Hashimoto’s thyroiditis

Question 6

Toxoplasmosis
is caused by the organism Toxoplasma gondii, which is a

Answers:

Bacterium

Protozoan

Virus

Fungus

Question 7

The
only currently known STI that is transmitted by a protozoan is

Answers:

Giardiasis

Malaria

Trichomoniasis

Syphilis

Question 8

Which
of the following is the causative agent for fungal meningitis, mostly in
immunocompromised patients?

Answers:

Trypanosoma brucei

Listeria meningitis

Cryptococcus
neoformans

Trypanosoma cruzi

Question 9

Tuberculosis
is caused by an organism of the genus

Answers:

Klebsiella

Bordetella

Chlamydia

Mycobacterium

Question 10

Infections
that may result from the use of catheters are classified as

Answers:

Iatrogenic infections

Local infections

Exogenous infections

Endogenous infections

Question 11

Vaginal
infections that are resulting from an overgrowth of normal flora are called

Answers:

Endogenous infections

Chronic infections

Iatrogenic infections

Fatal infections

Question 12

The
destruction of all microorganisms and their endospores is referred to as

Answers:

Disinfection

Degermation

Sanitization

Sterilization

Question 13

The
degree or extent of disease-evoking power that a microorganism has is referred
to as

Answers:

Virulence

Strength

Resistance

Competence

Question 14

Diagnosis
of a UTI is a two-stage process that involves:

Answers:

collecting a urine
sample and testing for antibiotic susceptibility of the organism

exploratory surgery and radiation therapy

collecting a blood sample and conducting a physical
examination of the bladder

modifying the diet of the patient and conducting a physical
examination of the urethra

Question 15

The
toxic condition caused by the multiplication of bacteria in the blood is
referred to as

Answers:

Bacteremia

Septicemia

Shock

Bloodborne infection

Question 16

The
term bacteriostatic means that bacteria

Answers:

Are killed by the antimicrobial drug

Show continuous growth

No longer can
multiply

No longer cause disease

Question 17

Rod-shaped
bacteria, some of which are endospore forming, are referred to as

Answers:

Cocci

Bacilli

Spirals

Vibrios

Question 18

Which
of the following organelles contain oxidative enzymes capable of oxidizing
toxic substances?

Answers:

Mitochondria

Chloroplasts

Lysosomes

Peroxisomes

Question 19

Which of
the following sites of the human body does not have a normal flora?

Answers:

Intestine

Skin

Vagina

Blood

Question 20

Which
of the following is NOT a common characteristic used in the selection of an
antimicrobial drug?

Answers:

Selective toxicity

Ease of delivery to the site of infection

Ability to administer
intravenously

Potential for allergic reaction

Question 21

A
relationship between organisms in which the waste product of one provides
nutrients for another is called

Answers:

Mutualism

Competition

Synergism

Commensalism

Question 2

Which
of the following is not considered to be a vehicle transmission?

Answers:

Airborne

Insect

Foodborne

Bodily fluid

Question 23

Strep
throat is caused by which of the following organisms?

Answers:

Streptococcus
pyogenes

Streptococcus pneumoniae

Streptococcus agalactiae

Streptococcus faecalis

Question 24

The
three types of hepatitis virus that can be transmitted through sexual activity
are

Answers:

A, B, and C

B, C, and D

A, B, and D

A, C, and D

Question 25

All of the following areas of the human body contain normal
flora except

Answers:

Peritoneum

Urethra

Vagina

Mouth

Question 26

Giardiasis is a waterborne gastrointestinal disease caused
by Giardia intestinalis, which is a(n)

Answers:

Protozoan

Bacterium

Fungus

Virus

Question 27

Beadlike chains of cocci formed after cell division along a
single axis are called

Answers:

Diplococci

Streptococci

Tetrads

staphlococci

Question 28

Botulism is a disease caused by the production of a potent
neurotoxin by bacteria of the genus

Answers:

Staphylococcus

Klebsiella

Salmonella

Clostridium

Question 29

The
group of organisms that includes yeasts and molds are known as _______

Answers:

Algae

Bacteria

Fungi

Viruses

Question 30

The
latent stage of syphilis, which may last for years, can occur ________.

Answers:

Between the secondary
and tertiary stages

Between the primary and secondary stages

Between the initial and primary stages

At any stage of the disease

Question 31

Which of the following organisms is the causative agent for
gonorrhea?

Answers:

Treponema

Neisseria

Mycoplasma

Ureaplasma

Question 32

Whooping
cough is caused by

Answers:

Streptococcus pneumoniae

Bordetella pertussis

Haemophilus influenzae

Corynebacterium diphtheriae

Question 33

Animals
that are capable of transmitting infectious disease are called

Answers:

Vectors

Pathogens

Carriers

Parasites

Question 34

The
fungi most commonly associated with reproductive system infections are

Answers:

Aspergillus, Tinea-related species, Candida albicans

Candida species, Rhizopus, and Saccharomyces cerevisiae

Stachybotrys, Aspergillus niger, Microsporum species

Candida albicans,
Tinea-related species, Epidermophyton floccosum

Question 35

CDC stands for

Answers:

Centers for Disease
Control and Prevention

Children’s Disease Center

Central Disaster Control Center

Central Drug Evaluation and Control Center

Question 36

Meningococcal
meningitis is caused by

Answers:

Neisseria
meningitidis

Haemophilus influenzae

Mycobacterium tuberculosis

Listeria monocytogenes

Question 37

Which
of the following infectious diseases is considered to be a reemerging disease?

Answers:

AIDS

Ebola

West Nile virus

drug-resistant
tuberculosis

Question 38 Health care-associated infections are also known
as

Answers:

Incidental infections

Accidental infections

Nosocomial infections

Secondary infections

Question 39 An inanimate object or substance capable of
transporting pathogens from one medium or individual to another is referred to
as a

Answers:

Vector

Fomite

Transporter

Transposon

Question 40

Which of the following viruses is the most widespread in the
human population?

Answers:

Epstein-Barr

Hantavirus

HIV

Chlamydia

Question 41

Staphylococci
and streptococci are best classified in the group of

Answers:

Gram-positive cocci

Gram-negative cocci

Gram-negative aerobic rods and cocci

Anaerobic gram-negative cocci

Question 42

Malaria
is caused by a

Answers:

Virus

Bacterium

Helminth

Protozoan

Question 43

Which
of the following is likely to be the most frequently used portal of entry for
pathogens?

Answers:

Skin

Placenta

Parenteral route

Mucosal surfaces

Question 44

Which
of the following stains is generally used for the diagnosis of tuberculosis
(TB)?

Answers:

Simple stain

Gram stain

Acid fast stain

Negative stain

Question 45

Bacterial
endotoxins are

Answers:

Proteins in the cell wall

Secreted into the environment

Components of the gram-positive cell wall

Components of the
gram-negative cell wall

Question 46

All of
the following are general metabolic or structural targets for antimicrobial
drugs except

Answers:

Carbohydrate
synthesis inhibition

Protein synthesis inhibition

Interference with nucleic acid synthesis

Interference with cell wall synthesis

Question 47

The
agent causing West Nile encephalitis belongs to which of the following?

Answers:

Arboviruses

Parvoviruses

Herpesviruses

Paramyxoviruses

Question 48

The
most common cause of infectious diarrhea in infants and children is

Answers:

Noroviruses

Adenoviruses

Rotaviruses

Caliciviruses

Question 49 The virulence factors of bacteria include

Answers:

Size, adhesion, resistance, mutation

toxins, exoenzymes,
adhesion

Toxins, evasion of body defenses, motility, size

Colonization, chemotaxis, fermentation, toxins

Question 50

The causative agent for Lyme disease is a

Answers:

Spirillium

Spirochete

Vibrio

Diplococcus