The suffix-virales is given to the following terms within the taxon....
a. Species
b. Order
c. Family
d. Genus
Order
The correct hierarchical order for virus classification is?
a. order, genus, family, subfamily, species
b. species, genus, family, subfamily, order
c. order, family, subfamily, genus, species
d. genus, order, family, subfamily, species
Order, family, subfamily, genus, species
The Baltimore classification system places viruses into groups?
a. four
b. five
c. seven
d. nine
Seven
Viral capsomeres are composed of subunits called?
a. envelopes
b. protomeres
c. capsids
d. nucleoids
Protomeres
RNA viruses belong to which of the following types according to the Baltimore classification system?
a. I, II, III
b. II, III, IIV
c. I, IV, V
d. II, IV, V
II, IV, V
Which of the following consists of DNA viruses?
a. parvoviridae
b. picornaviridae
c. astroviridae
d. togaviridae
Parvoviridae
A bacteriophage is a(n) virus?
a. helical
b. icosahedral
c. enveloped
d. complex
Complex
A phage in a repressed stage is referred to as a(n)?
a. antiphage
b. prophage
c. virulent phage
d. latent phage
Prophage
The correct sequence of stages in the multiplication of animal viruses is....
a. Adsorption, penetration, uncoating, replication, assembly, release
A persistant infection that is not lytic but productive is called a infection?
a. chronic
b. latent
c. slow
d. transforming
Chronic
Which of the following viruses belong to the family Herpesviridae?
B. Epstein-Barr virus
Transmissible spongiform encephalopathies are caused by?
B. Prions
The most common viruses causing respiratory illness belongs to?
D. Adenoviridae
Which of the following bunyaviruses is NOT anthropod-borne?
D. Hantavirus
The antibiotics penicillin and cephalosporin are produced by?
D. Fungi
Fungi are free-living organisms?
C. Heterotrophic
Fungi that help the roots of plants to absorb minerals and water from the soil are?
C. Mycorrhizae
A dismorphic fungus growing as a mold prefers what temparature?
B. 25c
Conidiospores that bud off from a vase-shaped spore-bearing cell are referred to as?
B. Phialospores
The mold responsible for the production of penicillin belongs to the subgroup of ?
D. Ascomycota
The so-called "red tide" is generaly caused by which of the following organisms?
B. Dinoflagellates
Allgae that contain agar in their cells walls belong to?
A. Rhodophyta
Diatom, major components of marine phytoplankton, belong to?
A. Chrysophyta
Brown algae are commonly referred to as?
B. phaeophyta
Which of the following microorganisms require a moist environment to survive and most often live in ponds, streams, lakes, and oceans?
C. plasmodium
The process by which the nucleous of protozoans undergoes multiple divisions before the cell divides is called?
B. schizogony
The eukaryotes known for the presence of a macronucleous and a micronucleous are?
B. protozoans
Plasmodium is a type of?
C. protozoans
Taxoplasma gondii belongs to which group of eukaryotic organism?
A. protozoans
A scolex is a structure found in?
A. helminths
Which of the following is commonly referred to as a pinworm?
A. enterbius vermicularis
Organisms that can grow on substances with very low moisture content are?
A. fungi
The protozoan that lacks a cyst stage and therefore must be transferred quickly from host to host is?
C. thrichomonas vaginalis
Which type of symbolisis benefits both members?
D. helmonths
Which type of symbiosis benefits both members?
B. mutualism
The mold that produces penicillin is an example of?
A. amensalism
The presence of microbes in or on the body is a(n)?
C. contamination
All of the following areas of the human body contain normal flora except?
B. peritoneum
Bacterial endotoxins are?
C. components of the gram-negative cell wall
When a pathogen spreads from the original site to other tissues or organs it is called a(n) infection?
B. focal
A disease that is genrally present in a given population is?
B. endemic
Which of the following is not considered to be a vehicle transmission?
C. insect
Which of the following is likely to be the most frquently used portal of entry for pathogens?
C. respiratory tract
Infections that may result from the use of catheters are classified as?
C. iatrogenic infections
A relationship in which one organism benefits and the other is harmed is called?
C. paratism
The degree or extent of disease-evoking power that a microorganism has is referred to as?
D. virulence
The virulence of factors of bacteria include?
C. colonization, invasion, toxins, adhesions
The type of infection in which several infectious agents establish themselves at the same site is referred to as a(n)?
D. mixed infection
Health care-associated infections are also known as?
C. nosocomial infections
Langerhans cells, which play a role in defense against microbes, are located in the?
B. epidermis
The paillary layer of the skin is part of the?
C. dermis
Which of the following organisms is the causative agent of skin infections and toxic shock syndrome?
D. staphylococcus aureus
Which of the following is a type of acute infection genrally caused by group A streptococus?
D. erysipelas
The oragnism often called "flesh-eating bacteria" is?
D. streptococcus pyogenes
Acne is caused by?
B. propionibacterium
Warts are commonly caused by the?
C. human papillomavirus
Herpes simplex infections on lips and in the mouth are most commonly caused by?
A. HSV-1
"Athletes foot" is referred to as?
A. tinea pedis
Diaper rash in infants is commnly caused by?
d. malassezia furfur
B. candida albicans
Tinea capitis is a fungal infection of the?
A. scalp
Subcutaneuos mycoses occur predominantly in the?
C. tropics
A chronic localized subcutaneous infection characterized by verrucoid lesions on the skin is?
B. chromoblastomycosis
The most important fungi that cause diseases of the skin, hair, and nails are called?
A. dermatophytes
Variola virus of the orthopoxvirus family cause acute, highly contagious disease?
B. smallpox
All of the following are structures of the lower respiratory system except?
D. pharynx
Scarlet fever is caused by?
C. streptococcus pyogenes
Which of the following organisms is commonly found in the normal flora of the upper respiratory system?
D. staphylococcus aureus
Whooping cough is caused by?
D. bordetella pertussis
WHich of the following cannot be and should not be treated with antibiotics?
A. common cold
Tubeculosis is not usually transmitted by?
B. fomites
The most virulent pathogen of the human flu virus is type?
C. A
SARS is a respiratory illnes caused by?
B. coronavirus
Which of the following geographic areas contain resevoirs for coccidioides immitis?
C. arizona
The formation of a "fungus-ball" within preexisting cavities is a common development in?
A. pulmonary aspergillosis
The "strawberry tongue" symptom is often associated with?
C. scarlet fever
Strept throat is caused by which of the following organisms?
A. streptococcus pyogenes
Tuberculosis is caused by an organism of the genus?
D. mycobacterium
Klebsiella pneumoniae is a?
C. gram-negative, encapsulated bacillus
Anthrax is caused by?
D. bacillus anthracis
Kaposi's sarcoma is caused by human herpesvirus number?
8
Capsids forming multifaced structures hving 20 triangular faces are called?
icoshedral
Group VI viruses according to the Baltimore classification system include the families Metaviridae, Pseudoviridae, and?
Retroviridae
According to the Balimore classification, Retroviridae belong to group?
VI
The study of fungi is?
mycology
The vegitative structure of algae is referred to as a?
thallus
Masses of protoplasm containing thousands of nuclei are characteristic of a(n)?
plasmodial slime and mold plasmodium
The life cycle of a parasite helminth ends with an adult parasite that is found in the host?
definitive
The symbiotic relationship in which one of the organisms benefits and the other is not harmed or helpes is referred to as???
commensalism
Vectors that transmit pathogens and also serve as host for part of the pathogens life cycle is a(n) vector.
biological
A worldwide epidemic is considered a(n) disease.
pandemic
Animals, usually anthropods, that carry pathogens from one host to another are called?
vectors
The study of the cause of disease is called?
etiology
Leprosy is caused by?
micobacterium leprae
A tinea infection in the groin area is commonly called?
jock itch
Parrot fever is caused by?
clymydia psittaci
Legionellosis affects mainly the?
wings
Legionella pneumophila is a gram-negative bacillus yjat causes disease occuring in two distinct forms:????? and ??????
pontiac fever and lgionaires disease
The three forms of anthrax caused by bacillus anthracis are , ,and .
