Rasmussen MCB2289 2019 January Final Exam Latest

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