D.E.A.D - Microbiology

Which of those listed below are obligate intreacellular parasites? Chlamydia Rickettsia Viruses

All of them

Which of the following is true of a carrier? May have had the disease that is being carried May have had the disease and recovered Exhibits no symptoms of the disease

All of these

An association of two organisms that is detrimental to one is:

Antibiosis

Which of the following substances is most specific in antimicrobial action? Antibiotics Antibodies Antigens Antiseptics

Antibodies

The serum derived from an animal that has been immunized to an infectious disease and is used to confer immunity to others. including humans, is called:

Antiserum

Ultraviolet rays of sunlight:

Are bacteriacidal

The type of immunity that results from the inoculation of a toxoid is:

Artificially acquired active

The type of acquired immunity that results from the inoculation of immune serum is called:

Artificially acquired passive

Self digestion of tissue by enzymes of their own formation is called:

Autolysis

Endospore formation is characteristic of:

Bacillus anthracis

What is a condition in which bacteria are found in the blood but not multiplying there?

Bacteremia

What type of condition is produced by the application of an antiseptic?

Bacteriostatic

Bacteria usually reproduce by:

Binary fission

Which of these transmit disease by biting the host? Mechanical fomites Biological fomites Mechanical vectors Biological vectors

Biological vectors

Toxemia, septicemia, and bacteremia are all associated with:

Blood

Monilia is used synonymously with:

Candida

Oral and vaginal thrush are caused by:

Candida albicans

Many bacteria possess a thick colorless gelatinous outer covering called a:

Capsule

Which is the following structures interfere most with phagocytosis? Granules Vacuoles Capsules Flagella

Capsules

Pueperal sepsis is commonly referred to as:

Childbed fever

Lymphogranuloma venereumis cause by a:

Chlamydia

Gas gangrene and tissue gas is caused by:

Clostridium Perfringens

Which of the following organisms is an exotoxin producer? Clostridium tetani Treponema pallidum Staphlococcus aureus Neisseria gonorrheae

Clostridium tetani

Septic sore throat is caused by a:

Coccus

Which of these is primarily bacteriostatic in its action? Steam under pressure Cold Free-flowing steam Dry heat

Cold

A visible mass of bacterial growth resulting from the reproduction of a single cell is a:

Colony

Attenuation affects a pathogen by:

Decreasing virulance

What type of viral disease would cause lesions of the skin?

Dermatropic

The most common mode of transmission for tuberculosis is:

Droplet

Which of the following is a mode of direct disease transmission?

Droplet Spray

Normal flora bacteria will cause which of the following types of infection?

Endogenous

What are poisonous substances produced by bacteria and released only when the bacterial cells die and disintegrate?

Endotoxins

A communicable disease that attacks a large number of persons in a community at about the same time is termed:

Epidemic

Those bacteria that prefer to live in the presence of free oxygen but can live in its absence arc called:

Facultative Anaerobes

The process of passing a liquid through a material with pores so small that bacteria cannot pass through is:

Filtration

the structures that produce mobility for bacteria cells are the:

Flagella

Histoplasmosis and coccidiodomycosis are caused by:

Fungi

An agent which destroys yeasts and molds is termed a/an:

Fungicide

In the name Mycobacterium tuberculosis, the first name is the:

Genus

With what disease is rubella identified?

German measles

Which of the following is NOT a fungal infection? Aspergillosis Coccidioidomycosis Candida Giardiasis

Giardiasis

Which of the following diseases is caused by contact with blood serum? Hepatitis type B Smallpox Hepatitis type A Mumps

Hepatitis type B

Which of the following would most likely transmit typhoid fever as a mechanical vector? Louse Housefly Tick Mosquito

Housefly

Which of the following enzymes is often referred to as "the spreading factor"? Coagulase Hyaluronidase Hemolysin Ptyalin

Hyaluronidase

What control process is used to destroy something of no value?

Incineration

Infections caused by members of the genus Salmonella are primarily transmitted by:

Ingestion

Which of the following is mechanical body defense? Intact skin Circulating antibody Cilia Stomach acid; pH = 1

Intact skin

Viruses have been found to be capable of infecting:

Man, animals, and insects

The reduction of surface tension is significant in the disinfection process because it allows for the:

Maximum contact with surfaces being disinfected

The highest temperature at which growth for a species will take place is the:

Maximum temperature

The lowest temperature at which growth for a species will take place is the:

Minimum temperature

The portal of entry of Salmonella typhi is:

Mouth

Molds are:

Multicellular

A viral disease primarily of man is:

Mumps

Which disease is NOT dermatrophic? Mumps Fever blisters Shingles Rubella

Mumps

Which organism is acid fast positive? Neisseria Mycobacterium Corynebacterium Salmonella

Mycobacterium

Which of the following organisms has a high lipid content of the cell wall? Treponema pallidum Mycobacterium tuberculosis Neisseria gonorrhea Francisella tularensis

Mycobacterium tuberculosis

The causative organism in primary atypical pneumonia is:

Mycoplasma

The type of immunity which is the result of placental transfer of antibodies is called:

Naturally acquired passive

Ophthalmia neonatorum is an infection caused by a species of bacteria which is a member of the genus:

Neisseria

A disease not transmitted from one host to another is:

Non-communicable

Those microorganisms that do not normally invade the body of the host to produce disease are:

Normal flora

Silver nitrate prophylaxis was once used for the control of:

Ophthalmia neonatorum

The temperature at which a species of bacteria grows best is:

Optimum temperature

Rickettsia grow only as:

Parasites

The advantage of using heat for the disinfection of materials over other forms of disinfection, like the use of chemicals, is that heat:

Penetrates throughout the materials

The process of ingestion of bacteria by leukocytes is:

Phagocytosis

Which of the chemical agents is described as a coal-tar derivative? Phenol Mercuric chloride Ammonia Formaldehyde

Phenol

Which of the following is used as a standard to measure the efficacy of chemical disinfectants? Formalin Alcohol Bichloride of mercury Phenol

Phenol

Congenital disease transmission occurs through the:

Placenta

What infection occurs in an individual who has no other active infection?

Primary

Bacteria are considered to be:

Procaryotic

Which of the following is caused by a rickettsia? Rabies Tuberculosis Rocky Mountain Spotted Fever Poliomyelitis

Rocky Mountain Spotted Fever

Which of the following diseases is not protected against by the MMR vaccine? German measles measles Rocky Mountain Spotted fever Epidemic parotitis

Rocky Mountain Spotted fever

What is an infection of the blood with actual growth and multiplication of pathogens in the blood?

Septicema

A communicable disease that occurs in a community only as an occasional case is termed:

Sporadic

Those spore forming bacteria that currently contain spores are called:

Sporulating

The destruction of all microorganisms and their products is termed:

Sterilization

Which of the following organisms is capable of forming capsules when living as parasites? Neisseria gonorrhea Strepotococcus pneumoniae Mycobacterium tuberculosis Staphylococcus aureus

Strepotococcus pneumoniae

What organism causes the condition of lobar pneumonia?

Streptococcus pneumoniae

Lack of resistance to a specific disease is called:

Susceptibility

The relationship between two organisms in which neither can survive independent of the other is:

Symbiotic

Which of the following is most likely to enter the body through the genitourinary tract? Syphilis Tularemia Bubonic plague Pneumonic plague

Syphilis

What infection occurs as a late complication of another disease and is itself the actual cause of death?

Terminal

Spores are most likely to form when:

The conditions for reproduction are not favorable

Which of these statements is descriptive of spirochetes? They are spiral-shaped microbes which move around a variable axis They are rod-shaped microbes which have no motility They are spiral-shaped microbes which move around a fixed axis They are spherical-shaped microbes which have pseudopodia for mobility

They are spiral-shaped microbes which move around a variable axis

Syphilis is an infection caused by:

Treponema pallidum

Which of these bacteria is the cause of the disease whose first sign of infection is a soft chancre? Neisseria gonorrhoeae Francisella tularensis Treponema pallidum Mycobactreium tuberculosis

Treponema pallidum

Rabbit fever is the common name for the disease:

Tularemia

Mosquitos have been implicated in the transmission of which of the following types of Hepatitis?

Types A and C

A bacterium which has a high degree of pathogenicity is said to be very:

Virulent

The disease known as "Ebola" is caused by which of the following types of organisms?

Virus

Pertussis is a disease that is commonly called:

Whooping cough

Where are spores formed?

Within the cell cytoplasm

Which organism is known as the "true fungi"?

Yeasts

The type of lesion most closely associated with tuberculosis is:

A Tubercle

Ringworm arises from:

A fungal infection

What body cell is known to perform the process of phagocytosis?

A leukocyte

The size of bacteria is measured in a special unit called:

A micrometer

Spore formation in bacteria is characterized as:

A protective device