Microbiology- Final Test Bank

Langerhans cells, which play a role in defense against microbes, are located in the

a. epidermis.

b. dermis.

c. hypodermis.

d. subcutaneous layer.

epidermis

The papillary layer of the skin is part of the

a. epidermis.

b. dermis.

c. hypodermis.

d. subcutaneous layer.

dermis

Which of the following organisms is the causative agent of skin infections and toxic shock syndrome?

a. Pseudomonas aeruginosa

b. Staphylococcus aureus

c. Micrococcus luteus

d. Propionibacterium acnes

Staphylococcus aureus

Which of the following is a type of acute infection generally caused by group A

Streptococcus?

a. Carbuncle

b. Impetigo

c. Erysipelas

d. Acne

Erysipelas

The organism often called "flesh-eating bacteria" is

a. Staphylococcus aureus

b. Staphylococcus epidermidis

c. Streptococcus pyogenes

d. Propionibacterium acnes

Streptococcus pyogenes

Acne is caused by

a. Staphylococcus aureus

b. Staphylococcus epidermidis

c. Streptococcus pyogenes

d. Propionibacterium acnes

Propionibacterium acnes

Warts are commonly caused by the

a. human papillomavirus.

b. herpesvirus.

c. HIV.

d. varicella-zoster virus.

human papillomavirus

Herpes simplex infections on lips and in the mouth are most commonly caused by

a. HSV-1.

b. HSV-2.

c. HSV-6.

d. HSV-7.

HSV-1

"Athlete's foot" is referred to as

a. tinea capitis.

b. tinea corporis.

c. tinea versicolor.

d. tinea pedis

tinea pedis

Diaper rash in infants is commonly caused by

a. Sporothrix schenckii.

b. Actinomyces.

c. Candida albicans.

d. Malassezia furfur.

Candida albicans

Tinea capitis is a fungal infection of the

a. feet.

b. scalp.

c. mouth.

d. hands.

scalp

Subcutaneous mycoses occur predominantly in the

a. tropics.

b. deserts.

c. forests of the Northern Hemisphere.

d. Rocky Mountains.

tropics

A chronic localized subcutaneous infection characterized by verrucoid lesions on the skin is

a. candidiasis.

b. leprosy.

c. shingles.

d. chromoblastomycosis

chromoblastomycosis

The most important fungi that cause diseases of the skin, hair, and nails are called

a. Plasmodium.

b. sporozoites.

c. dermatophytes.

d. nematodes.

sporozoites

Variola virus of the orthopoxvirus family causes the acute, highly contagious disease

a. shingles.

b. smallpox.

c. jock itch.

d. ringworm

smallpox

It is often difficult for antibiotics to effectively reach the infection site of osteomyelitis

primarily because of

a. destruction of the local blood supply.

b. denaturing of the drug by normal flora.

c. inflammation and edema.

d. excessive production of pus at the infection site

destruction of the local blood supply

Leprosy is caused by __________.

Mycobacterium leprae

Infections that result in the death of infected tissue are called __________ infections.

necrotizing

Chickenpox and shingles are caused by the __________ virus.

varicella-zoster

Fungal infections of the skin are referred to as __________.

mycoses

A tinea infection in the groin area is commonly called "__________."

jock itch

Leprosy is also known as ____________________________.

Hansen's disease

Necrotizing fasciitis

Streptococcus pyogenes

Shingles

Varicella-zoster

Sixth disease

HHV 6 and 7

Tinea versicolor

Malassezia furfur

Genital herpes

HSV-2

All of the following are symptoms of endocarditis except

a. fever and chills.

b. weight loss.

c. leg swelling.

d. muscle aches.

leg swelling

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

a. bacteremia.

b. septicemia.

c. shock.

d. bloodborne infection.

septicemia

When microorganisms enter the circulatory system through the lymphatic drainage and cause an infection, the condition is called

a. bacteremia.

b. septicemia.

c. microbemia.

d. viremia.

microbemia

Rheumatic fever is an inflammatory disease and rare complication of

a. strep throat.

b. gangrene.

c. brucellosis.

d. tularemia

strep throat

All of the following are considered to be zoonotic diseases except

a. brucellosis.

b. undulant fever.

c. plague.

d. salmonellosis.

salmonellosis

"Rabbit fever," a zoonotic disease, is caused by

a. Bartonella henselae.

b. Spirillum minus.

c. Francisella tularensis.

d. Yersinia pestis.

Francisella tularensis.

Rocky Mountain spotted fever is caused by

a. Borrelia burgdorferi.

b. Rickettsia rickettsii.

c. Rickettsia prowazekii.

d. Ehrlichia chaffeensis

Rickettsia rickettsii.

Cytomegalovirus infections are caused by the human herpesvirus

a. 2

b. 3

c. 4

d. 5

5

Malaria is caused by a

a. virus.

b. bacterium.

c. helminth.

d. protozoan.

protozoan

Which of the following is a disease caused by a protozoan?

a. Cat scratch disease

b. Toxoplasmosis

c. Relapsing fever

d. Plague

Toxoplasmosis

Tularemia is also referred to as

a. scarlet fever.

b. strep throat.

c. cat scratch fever.

d. rabbit fever.

rabbit fever

Animals that are capable of transmitting infectious disease are called

a. vectors.

b. pathogens.

c. carriers.

d. parasites

vectors

The bacterium Yersinia pestis is responsible for causing what disease?

a. Tonsillitis

b. Leprosy

c. Plague

d. Rat fever

Plague

The term used to describe an inflammation of the saclike membrane surrounding the heart is

a. peritonitis.

b. pericarditis.

c. myocardial infarction.

d. anemia.

pericarditis

An inflammatory disease that can develop as a complication following a group A

streptococcal infection is

a. endocarditis.

b. rheumatic fever.

c. nephritis.

d. cytomegalovirus

rheumatic fever

Babesiosis is a vector-borne, malaria-like illness caused by a

a. bacterium.

b. virus.

c. helminth.

d. protozoan.

protozoan

Any infectious disease or infection that can be transmitted from vertebrate animals to humans

is classified as __________.

zoonotic

When bacteria are found in the blood, the condition is referred to as __________.

bactremia

The toxic condition caused by the spread of bacteria or bacterial toxins from the site of

infection is called __________.

sepsis

Chagas' disease is caused by __________.

Trypanosoma cruzi

The bacterium most frequently found to be involved in gas gangrene is __________

__________.

Clostridium perfringens

Trypanosoma cruzi causes American trypanosomiasis, which is also known as __________.

Chagas' disease

Leishmaniasis is transmitted by the bite of the __________.

female sandfly

Malaria is caused by a protozoan of the genus __________.

Plasmodium

Malaria is transmitted by the bite of a(n) ______________________ mosquito.

Anopheles

Fungal infections capable of infecting all organs/body systems are referred to as

_____________________ mycoses.

systemic

Plasmodium falciparum

Severe malaria

Filoviridae

VHF

Borrelia burgdorferi

Lyme disease

Yersinia pestis

Plague

Streptobacillus moniliformis

Rat-bite fever

All of the following are structures of the lower respiratory system except

a. Lungs

b. Pharynx

c. Bronchi

d. Trachea

Pharynx

Scarlet fever is caused by

a. Staphylococcus aureus.

b. Staphylococcus epidermidis.

c. Streptococcus pyogenes.

d. Streptococcus pneumoniae

Streptococcus pyogenes

Which of the following organisms is commonly found in the normal flora of the upper

respiratory system?

a. Staphylococcus aureus

b. Mycoplasma pneumoniae

c. Bordetella pertussis

d. Klebsiella pneumoniae

Staphylococcus aureus

Whooping cough is caused by the organism

a. Streptococcus pneumoniae.

b. Bordetella pertussis.

c. Haemophilus influenzae.

d. Corynebacterium diphtheriae.

Bordetella pertussis

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

a. Strep throat

b. Tuberculosis

c. Common cold

d. Diphtheria

Common cold

Tuberculosis is transmitted primarily through

a. aerosols.

b. fomites.

c. blood transfusions.

d. oral-fecal route

aerosols

The most virulent pathogen of the human flu virus is type

a. A.

b. B.

c. C.

d. D.

A

SARS is a respiratory illness caused by

a. Streptococcus.

b. Coronavirus.

c. Histoplasma.

d. Type A viruses.

Coronavirus

Which of the following geographic areas contains reservoirs for Coccidioides immitis?

a. France

b. South Africa

c. Arizona

d. Iowa

Arizona

The formation of a "fungus ball" within preexisting cavities is a common development in

a. blastomycosis.

b. pulmonary aspergillosis.

c. coccidioidomycosis.

d. histoplasmosis

pulmonary aspergillosis

The "strawberry tongue" symptom is often associated with

a. rheumatic fever.

b. scarlet fever.

c. pneumonia.

d. pharyngitis.

scarlet fever

Strep throat is caused by which of the following organisms?

a. Streptococcus pyogenes

b. Streptococcus pneumoniae

c. Streptococcus agalactiae

d. Streptococcus faecalis

Streptococcus pyogenes

Tuberculosis is caused by an organism of the genus

a. Klebsiella.

b. Bordetella.

c. Chlamydia.

d. Mycobacterium.

Mycobacterium

Klebsiella pneumoniae is a

a. gram-negative, motile bacillus.

b. gram-positive, spore-forming bacillus.

c. gram-negative, encapsulated bacillus.

d. gram-positive, encapsulated coccus.

gram-negative, encapsulated bacillus

Anthrax is caused by

a. Haemophilus anthracis.

b. Bacillus anthracis.

c. Streptococcus anthracis.

d. Klebsiella anthracis.

Bacillus anthracis

Streptococcus pneumoniae is a gram-__________ bacterium.

positive

Rheumatic fever is a rare complication of __________.

strep throat

Parrot fever is caused by __________.

Chlamydia psittaci

Legionellosis affects mainly the __________.

lungs

Hantaviruses, which can cause disease in humans, are carried by __________.

rodents

__________ is a gram-negative coccobacillus and a common cause of bronchiolitis in

children, bronchitis in adults, and occasionally meningitis

Haemophilus influenza

Legionella pneumophila is a gram-negative bacillus that causes disease occurring in two

distinct forms: __________ and __________.

Pontiac fever, Legionnaire's disease

The three forms of anthrax caused by Bacillus anthracis are __________, __________, and

__________.

inhalational, cutaneous, gastrointestinal

Influenza is caused by two species of __________.

orthomyxoviruses

SARS stands for __________.

severe acute respiratory syndrome

The TB skin test is also known as the _______________ test.

tuberculin PPD

The bacterium Mycoplasma pneumonia is unique in that it lacks a(an)

____________________.

cell wall

Diphtheria

Corynebacterium diphtheriae

Whooping cough

Bordetella pertussis

Strep throat

Streptococcus pyogenes

Pontiac fever

Legionella pneumophila

Q fever

Coxiella burnetii

All of the following are components of the gastrointestinal tract except the

a. spleen.

b. pharynx.

c. esophagus.

d. stomach.

spleen

Microbial life on teeth was first observed by

a. Jenner.

b. Semmelweis.

c. Van Leeuwenhoek.

d. Pasteur.

Van Leeuwenhoek

Many peptic ulcers are due to

a. Salmonella typhi.

b. Helicobacter pylori.

c. Shigella boydii.

d. Salmonella enterica.

Helicobacter pylori.

Bacillary dysentery is also called

a. salmonellosis.

b. shigellosis.

c. typhoid fever.

d. campylobacteriosis.

shigellosis

There are __________ known forms of gastroenteritis caused by Escherichia coli.

a. two

b. three

c. four

d. five

five

Bacillus intoxication is caused by

a. Bacillus subtilis.

b. Bacillus thuringiensis.

c. Bacillus anthracis.

d. Bacillus cereus.

Bacillus cereus

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

a. noroviruses.

b. adenoviruses.

c. rotaviruses.

d. caliciviruses.

rotaviruses

(+) ssRNA viruses that have been isolated from birds, cats, dogs, pigs, sheep, cows, and

humans and are a major cause of gastroenteritis are the

a. rotaviruses.

b. caliciviruses.

c. adenoviruses.

d. noroviruses

caliciviruses

Which of the following organisms produces aflatoxin, a carcinogenic substance?

a. Candida albicans

b. Claviceps purpurea

c. Aspergillus flavus

d. Staphylococcus aureus

Aspergillus flavus

The human pinworm Enterobius vermicularis lives in the __________ of humans.

a. duodenum

b. ileum

c. transverse colon

d. rectum

rectum