Microbiology Test 2 For Final Exam

Front 1

Enzyme responsible for DNA synthesis in cells?

Back 1

DNA dependent DNA polymerase

Front 2

Which of the follow recombination scenarious required cell to cell contact?

Back 2

Conjugation

Front 3

The Ame's Test is used to identify?

Back 3

Chemical mutagens and potential carcinogens

Front 4

Transduction is defined as the transfer of?

Back 4

DNA from a donor to a recipient cell by a bacteriophage

Front 5

Which of the following infections in the transformation experiment produced unexpected results?

Back 5

Living non encapsulated bacteria plus heat killed encapsulated bacteria

Front 6

In transformation experiment?

Back 6

Cells pick up fragments of DNA from the environment

Front 7

The term mating bridge is associated with what?

Back 7

Conjugation

Front 8

True of False, All viruses have an envelope?

Back 8

False

Front 9

CPE is best described as what?

Back 9

Cell rounding and detachment from monolayer

Front 10

Bacteria virus from _____ on a lawn of cells?

Back 10

Plaques

Front 11

Which of the following steps occurs simulataneously with bacterial virus penetration?

Back 11

Uncoating

Front 12

During the uncoating step in animal virus multiplication?

Back 12

The viral envelop or capsid is removed

Front 13

True or false, assembly of virus nucleocapsids occur in the cytoplasm?

Back 13

False

Front 14

All RNA animal viruses except influenza virus?

Back 14

Multiply in the cytoplasm of a cell

Front 15

Whcih of the following steps in replication of a retrovirus is under the control of the host cell?

Back 15

Transcription of the provirus DNA

Front 16

RNA viruses require the enzyme _____ to replicate their genome?

Back 16

RNA dependent RNA polymerase

Front 17

A Symbiotic relationship in which one organism benefits and the other is harmed?

Back 17

Parasitiam

Front 18

The faction of a population that has a disease ( includes old and new cases) is known as the what?

Back 18

Prevalence

Front 19

According to its severity or duration, Tuberculosis and infection mononucleosis are classified as _____ diseases?

Back 19

Chronic

Front 20

The acute stage of an illness appears when?

Back 20

Inate resistance fails

Front 21

A patient is infected with hepatitis B by a contaminated thermometer is an example of what kind of transmission?

Back 21

Indirect Transmission

Front 22

An individual contracts influenze when his lab partnre sneezes in his face. The type of tranmission is what?

Back 22

Droplet

Front 23

An individual contracts Hapatitis A as a result of flies landing in his food. This types of transmission is what?

Back 23

Vector

Front 24

The reservior for tetanus is what?

Back 24

Soil

Front 25

The highest relative frequency of hospital acquired infection in adults is where in the human body?

Back 25

Urinary tract

Front 26

The morbidity rate is best defined as what?

Back 26

The number of individuals, relative to the population affected by a particular disease in a pariod of time

Front 27

Ignanz Semmelweis?

Back 27

Showed the hand washing decreased the incidence of puerperal fever

Front 28

The portal most traveled by infectious agents is what?

Back 28

Mucous membrane

Front 29

What infection can enter and infect the mucous membranes of respiratory tract, skin, and gastrointestinal tract?

Back 29

Bacillus anthracis

Front 30

Phagocytes are able to attach to most bacteris during the inate immune response because phagocytes have receptors for what?

Back 30

Mannose

Front 31

Which of the following is not an effect of complement activation?

Back 31

Extracullular killing of large parasites

Front 32

Monocytes leave the blood and enter tissue to become what?

Back 32

Macrophages

Front 33

Activated complement component which enhances phagocytosis is what?

Back 33

C3bb

Front 34

True or False, interferon stops viral replication in the virus infected host cell

Back 34

False

Front 35

Second line of defense specific for viruses?

Back 35

Alpha and Beta Interferon

Front 36

Phagocytic granulocyte?

Back 36

Neutrophile

Front 37

Term for any chemical or physical agents that cause changes in the gentic information of a cell?

Back 37

Mutagen

Front 38

TYerm for retrovirus dsDNA inegrated in a cell chromosome?

Back 38

Provirus

Front 39

Growth of bacteria in the blood?

Back 39

Septiciema

Front 40

Term for continual source of infection?

Back 40

Reservior

Front 41

State the full name of the CDC publication that reports on disease in the United States?

Back 41

Morbidity and Mortality Weekly Report

Front 42

Live Microorganisms applied or ingested into the body, intended to exert a beneficial effect

Back 42

Probiotiv

Front 43

Syndrome?

Back 43

Specific Signs and symptoms associated with a disease

Front 44

Nonsocomial?

Back 44

Hospital acquired disease

Front 45

Virion?

Back 45

Fully intact virus

Front 46

Gene?

Back 46

Segement of DNA that codes for usually proteins

Front 47

Fomite?

Back 47

Inanimate object used in indirect transmission of a disease

Front 48

What are the five steps in the multiplication cycle of a virus?

Back 48

1) attachment 2) penetration/uncoating 3) biosynthesis 4) maturation 5) release

Front 49

Three major factors which contribute to nonsocomial infection?

Back 49

1) compromised immunity of a host 2) abuse of antiobiotic caused resistance in the disease 3) manyw ays to spread via doctor, nurses, and aids

Front 50

Three major factors which contribute to emerging infectious diseases?

Back 50

1) poverty 2) wheather 3) modern transportation

Front 51

Four second lines of non specific dense?

Back 51

1) Inflamation 2) fever 3) Complement 4) NK cells

Front 52

All of the following are used to group viruses into families except:
A) Disease Caused
B) Type of Nucleic Acid
C) Presence of Envelope
D) Capsid Structure
E) Strategy of Replication

Back 52

A

Front 53

Animal Viruses
A) Attach to the cell wall
B) use lysozyme in both the penetration and release phase of growth
C) Multiply in either the nucleus or cytoplasm of the host cell
D) lyse the infected cell to relese

Back 53

B

Front 54

Which of following adhesions is used by E.Coli to adhere to membranes
A) Fimbriae
B) M Protein
C) Opa Protein
D) Glycocalyx

Back 54

A

Front 55

Which of the following Toxin Properties would you associate with endotoxins?
A) Forms protein channels in the plasma membrane
B) Causes an intense immune response from release of Cytotkines
C) Tumor Necrosis factor Allpha and IL-1
B) AB toxins

Back 55

C

Front 56

From which of the following is considered a chemical fist line of defense:
A) Intact Skin
B) Saliva
C) Inflammation
D) Gastric Juice
E) Lacrimal apparatus

Back 56

D

Front 57

From which of the following toxins is part of the cell wall
A) Superantigen
B) Membrane Distrupting
C) A-B Toxins
D) Endotoxin

Back 57

C

Front 58

The Study of Cause of disease?

Back 58

Etiology

Front 59

The Study of where, when, and how a disease is transmitted?

Back 59

Epidemiology

Front 60

Explain how inflammation and fever are beneficial ifection?

Back 60

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