Bacteriology (0ld T3st) - Assignment Essays

Q: College students planning to stay in group housing should consider vaccination against which of the following diseases:

Meningococcal ( Neisseria meningitides ) meningitis

question

Coliform bacteria include all except:

answer

Enterobacter

question

Acid-fast Mycobacteria are distinguished from non-acid fast bacteria by the presence of:

answer

Waxy lipid material (mycolic acid)

question

Which of the following diseases have protective vaccines available for humans? 1. Chickenpox 2. Measles 3. German measles 4. Scalded skin syndrome 5. Impetigo 6. Diphtheria

answer

1. Chickenpox

2. Measles

3. German measles

6. Diphtheria

question

A genetically engineered drug that binds to the Fc region of IgE would be most useful for:

answer

Treating Allergies

question

Which of the following microbial agents is a cell and does not have cell wall?

answer

Virus

question

Proper hand washing is the preferred method of reducing the spread of which of the following infectious skin diseases?

answer

measles

question

In a healthy human, normal resident microorganisms would most likely be found in the:

answer

Lower urethra

question

Sewage treatment programs in rural parts of South Africa have effectively controlled the transmission of bacterial diarrheas. Which of the following statements is true about the spread of bacterial diarrhea?

answer

It results from fecal contamination of water.

question

If a child has chickenpox and contracts a staphylococcal infection associated with the pox, the staphylococcal infection would be classified as a __________ infection.

answer

Secondary

question

HIV/AIDS has spread throughout the human population over the past thirty years. Millions of people suffer from this disease throughout the entire world. This situation is an example of a(n):

answer

Pandemic

question

The treatment of neonates with an erythromycin ointment placed directly on the eyes is to prevent:

answer

ophthalmia neonatorum

question

College students planning to stay in group housing should consider vaccination against which of the following diseases:

answer

Meningococcal (Neisseria meningitides) meningitis

question

Which of the following STDs also potentially affects newborn babies?

answer

gonorrhea

question

A 22-year-old woman presents at the walk-in health clinic with a slight fever (38.5C), a complaint of frequent urination, burning on urination, vaginal discharge and a small lesion on the labia. A smear of the vaginal secretion showed a number of Gram-negative diplococci. This women is most likely infected with ___________.

answer

Neisseria gonorrhea

question

Which of the following is associated with cervical cancer?

answer

gonorrhea

question

The deadly effects of tetanus are best treated with immunizations that block the following feature of Clostridium tetani:

answer

The neurotoxin

question

Which of these organisms produces pigments that may color infected wounds green?

answer

Clostridium tetani

question

The cell that detects cancer cells and host cells infected with viruses would be:

answer

T cell

question

Glomerulonephritis

answer

Type III (immune complex) Hypersensitivity

question

Asthma, hay fever, and jellyfish sting

answer

Type I (anaphylactic) hypersensitivity

question

Reaction to an incompatible blood transfusion

answer

Type II (cytotoxic) hypersensitivity

question

The tuberculin skin test and allergic contact dermatitis:

answer

Type IV (cell-mediated) hypersensitivity

question

Type I diabetes

answer

Autoimmune disease

question

It is recommended to get a flu shot every year due to:

answer

All the above

(A. antigenic shift of influenza virus

B. antigenic drift of influenza virus

C. secondary infection commonly associated with flu for immunocompromised patients)

question

An allergic reaction towards plant pollen occurs:

answer

On a second or subsequent exposure to an antigen

question

Antibodies that cross placenta and protect the fetus:

answer

IgA

question

Involved in asthma and food allergies

answer

IgE

question

Immunoglobulin protects mucosal surfaces from invasion by pathogens

answer

IgG

question

The presence of this anitbody indicates primary immune response rather than a previous infection or vaccination.

answer

IgM

question

Place the following events is the order in which they would occur during the process of phagocytosis: 1. Chemotaxis 2. Ingestion 3. Digestion 4. Attachment

answer

1. Chemotaxis

4. Attachment

2. Ingestion

3. Digestion

question

A person acquires immunity as a result of the DPT vaccine.

answer

Artificially acquired active immunity

question

A baby receives antibodies to measles across the placenta.

answer

Artificially acquired passive immunity

question

Normal microbiota

answer

Innate immunity

question

A person acquires immunity as a result of acute infection.

answer

Naturally acquired active immunity

question

A person receives serums containing antibody against rabies virus after being bitten by dog.

answer

Artificially acquired passive immunity

question

Outbreaks of Escherichia coli O157:H7 could be better controlled if local governments had stricter regulations on which of the following processes?

answer

Food inspection

question

Which of the following are cellular, non-living agents consisting of a protein coat that surrounds a nucleic acid core?

answer

Viruses

question

Pharyngitis or tonsillitis (strep throat) is the result of infections with ____________

answer

Streptococcus pneumonia

question

The correct order for the stages of a lytic phage infection are:

answer

attachment, penetration, transcription, replication of nucleic acid and protein, assembly, release

question

Which of the following types of hepatitis could be transmitted through contaminated food?

answer

Hepatitis C

question

Retroviruses have an unusual enzyme called __________ which can convert a single stranded RNA into double stranded DNA.

answer

Reverse transcriptase

question

The minimum number of microorganisms that are required to initiate an infection is called:

answer

Infectious Dose

question

Which of the following virus causes shingle?

answer

Epstein-Barr virus

question

Which of the following is the most likely way for the West Nile virus to enter the human body?

answer

Respiratory

question

The actual cells that make antibodies are:

answer

Plasma cells

question

Endotoxin is associated with:

answer

Gram-negative bacteria

question

The bacterium that causes gastritis is a Gram-negative spirillum with multiple, sheathed flagella and the ability to produce a powerful urease enzyme. This bacterium is:

answer

Helicobacter pylori

question

Which of the following water-borne enteric diseases is characterized by a massive amount of fluids passed in the feces?

answer

Cholera

question

The natural habitat of the Epstein-Barr virus is the human...

answer

Stomach and intestinal mucosa

question

(T/F) The capsule is the main virulence factor in Streptococcus pneumoniae

answer

True

question

For identification of the gram negative cocci, which of the following tests are required?

answer

Enterotube

question

_________ can grow on Mannitol salt agar (MSA) and produce acid (yellow color)

answer

Streptococcus salivaris

question

The first test for the identification of an unknown bacterium is:

answer

Gram staining

question

The zone of complete hemolysis on the blood agar is __________

answer

Green

question

For the identification of alpha hemolytic gram positive cocci, which of the following test is required?

answer

Mannitol Salt Agar

question

Streptococcus pyogenes

answer

Beta Hemolysis

question

Streptococcus mitis

answer

Alpha Hemolysis

question

Staphylococcus epidermis

answer

γ (Gamma) Hemolysis

question

Bacillus megaterium

answer

Endospore forming bacillus

question

Corynebacterium pseudodiphtheriae

answer

Palisade arrangement

1 of 60

question

Coliform bacteria include all except:

answer

Enterobacter

question

Acid-fast Mycobacteria are distinguished from non-acid fast bacteria by the presence of:

answer

Waxy lipid material (mycolic acid)

question

Which of the following diseases have protective vaccines available for humans? 1. Chickenpox 2. Measles 3. German measles 4. Scalded skin syndrome 5. Impetigo 6. Diphtheria

answer

1. Chickenpox

2. Measles

3. German measles

6. Diphtheria

question

A genetically engineered drug that binds to the Fc region of IgE would be most useful for:

answer

Treating Allergies

question

Which of the following microbial agents is a cell and does not have cell wall?

answer

Virus

question

Proper hand washing is the preferred method of reducing the spread of which of the following infectious skin diseases?

answer

measles

question

In a healthy human, normal resident microorganisms would most likely be found in the:

answer

Lower urethra

question

answer

It results from fecal contamination of water.

question

If a child has chickenpox and contracts a staphylococcal infection associated with the pox, the staphylococcal infection would be classified as a __________ infection.

answer

Secondary

question

HIV/AIDS has spread throughout the human population over the past thirty years. Millions of people suffer from this disease throughout the entire world. This situation is an example of a(n):

answer

Pandemic

question

The treatment of neonates with an erythromycin ointment placed directly on the eyes is to prevent:

answer

ophthalmia neonatorum

question

College students planning to stay in group housing should consider vaccination against which of the following diseases:

answer

Meningococcal (Neisseria meningitides) meningitis

question

Which of the following STDs also potentially affects newborn babies?

answer

gonorrhea

question

answer

Neisseria gonorrhea

question

Which of the following is associated with cervical cancer?

answer

gonorrhea

question

The deadly effects of tetanus are best treated with immunizations that block the following feature of Clostridium tetani:

answer

The neurotoxin

question

Which of these organisms produces pigments that may color infected wounds green?

answer

Clostridium tetani

question

The cell that detects cancer cells and host cells infected with viruses would be:

answer

T cell

question

Glomerulonephritis

answer

Type III (immune complex) Hypersensitivity

question

Asthma, hay fever, and jellyfish sting

answer

Type I (anaphylactic) hypersensitivity

question

Reaction to an incompatible blood transfusion

answer

Type II (cytotoxic) hypersensitivity

question

The tuberculin skin test and allergic contact dermatitis:

answer

Type IV (cell-mediated) hypersensitivity

question

Type I diabetes

answer

Autoimmune disease

question

It is recommended to get a flu shot every year due to:

answer

All the above

(A. antigenic shift of influenza virus

B. antigenic drift of influenza virus

C. secondary infection commonly associated with flu for immunocompromised patients)

question

An allergic reaction towards plant pollen occurs:

answer

On a second or subsequent exposure to an antigen

question

Antibodies that cross placenta and protect the fetus:

answer

IgA

question

Involved in asthma and food allergies

answer

IgE

question

Immunoglobulin protects mucosal surfaces from invasion by pathogens

answer

IgG

question

The presence of this anitbody indicates primary immune response rather than a previous infection or vaccination.

answer

IgM

question

Place the following events is the order in which they would occur during the process of phagocytosis: 1. Chemotaxis 2. Ingestion 3. Digestion 4. Attachment

answer

1. Chemotaxis

4. Attachment

2. Ingestion

3. Digestion

question

A person acquires immunity as a result of the DPT vaccine.

answer

Artificially acquired active immunity

question

A baby receives antibodies to measles across the placenta.

answer

Artificially acquired passive immunity

question

Normal microbiota

answer

Innate immunity

question

A person acquires immunity as a result of acute infection.

answer

Naturally acquired active immunity

question

A person receives serums containing antibody against rabies virus after being bitten by dog.

answer

Artificially acquired passive immunity

question

Outbreaks of Escherichia coli O157:H7 could be better controlled if local governments had stricter regulations on which of the following processes?

answer

Food inspection

question

Which of the following are cellular, non-living agents consisting of a protein coat that surrounds a nucleic acid core?

answer

Viruses

question

Pharyngitis or tonsillitis (strep throat) is the result of infections with ____________

answer

Streptococcus pneumonia

question

The correct order for the stages of a lytic phage infection are:

answer

attachment, penetration, transcription, replication of nucleic acid and protein, assembly, release

question

Which of the following types of hepatitis could be transmitted through contaminated food?

answer

Hepatitis C

question

Retroviruses have an unusual enzyme called __________ which can convert a single stranded RNA into double stranded DNA.

answer

Reverse transcriptase

question

The minimum number of microorganisms that are required to initiate an infection is called:

answer

Infectious Dose

question

Which of the following virus causes shingle?

answer

Epstein-Barr virus

question

Which of the following is the most likely way for the West Nile virus to enter the human body?

answer

Respiratory

question

The actual cells that make antibodies are:

answer

Plasma cells

question

Endotoxin is associated with:

answer

Gram-negative bacteria

question

The bacterium that causes gastritis is a Gram-negative spirillum with multiple, sheathed flagella and the ability to produce a powerful urease enzyme. This bacterium is:

answer

Helicobacter pylori

question

Which of the following water-borne enteric diseases is characterized by a massive amount of fluids passed in the feces?

answer

Cholera

question

The natural habitat of the Epstein-Barr virus is the human...

answer

Stomach and intestinal mucosa

question

(T/F) The capsule is the main virulence factor in Streptococcus pneumoniae

answer

True

question

For identification of the gram negative cocci, which of the following tests are required?

answer

Enterotube

question

_________ can grow on Mannitol salt agar (MSA) and produce acid (yellow color)

answer

Streptococcus salivaris

question

The first test for the identification of an unknown bacterium is:

answer

Gram staining

question

The zone of complete hemolysis on the blood agar is __________

answer

Green

question

For the identification of alpha hemolytic gram positive cocci, which of the following test is required?

answer

Mannitol Salt Agar

question

Streptococcus pyogenes

answer

Beta Hemolysis

question

Streptococcus mitis

answer

Alpha Hemolysis

question

Staphylococcus epidermis

answer

γ (Gamma) Hemolysis

question

Bacillus megaterium

answer

Endospore forming bacillus

question

Corynebacterium pseudodiphtheriae

answer

Palisade arrangement

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