Patho.Chap.4
Patho. Chap. 4. Test. Only 1-20
- 1.
Bacteria that form a cluster of sheres are called:
- A.
Bacilli
- B.
Dipococci
- C.
Staphylococci
- D.
Streptococci
Correct Answer
C. Staphylococci -
- 2.
An anaerobe thrives and reproduces best in:
- A.
A moist enviroment
- B.
An acidic medium
- C.
Air at a cool temp.
- D.
The absence of oxygen
Correct Answer
D. The absence of oxygen -
- 3.
The prescene of the bacteria capsule:
- A.
Promotes attachment of the bacteria to tissue.
- B.
Protects the microbe from phagocytosis
- C.
Increases the release of toxins and enzymes
- D.
Prevebrs replication of the bacteria.
Correct Answer
B. Protects the microbe from phagocytosis -
- 4.
Microbial mutation mean that:
- A.
Genetic infomation and some microbial characteristics have changed
- B.
Pathogens become nonpathogens
- C.
The mircrobe survives adverse conditions.
- D.
The immune response to the microbe is strengthened
Correct Answer
A. Genetic infomation and some microbial characteristics have changed -
- 5.
A bacterial endospore can:
- A.
Also be classified as an acid-fast bacterium.
- B.
Exist in latent form inside a host cell.
- C.
Reproduce very rapidly.
- D.
Survive high temperatures and dry environment.
Correct Answer
D. Survive high temperatures and dry environment. -
- 6.
Thre structure of a virus includes:
- A.
A cell wall and membrane
- B.
Metabolic enzymes for replication
- C.
A protein coat and DNA or RNA
- D.
A slime capsule and cilia.
Correct Answer
C. A protein coat and DNA or RNA -
- 7.
What method do viruses use to replicate?
- A.
Binary fission
- B.
Budding of a daughter cell from the parent cell
- C.
Producing reproductive spores
- D.
Using a host cell to produce and assemble components
Correct Answer
D. Using a host cell to produce and assemble components -
- 8.
A retrovirus as HIV contains:
- A.
RNA and enzymes for its conversion.
- B.
A double strand of DNA
- C.
Many enzymes to control
- D.
Numerous mitochondria.
Correct Answer
A. RNA and enzymes for its conversion. -
- 9.
How do antiviral drugs act?
- A.
Interfering with cell wall development
- B.
Decreasing cell membrane permeability
- C.
Destroying new, immature viral particles
- D.
Reducing the rate of viral replication.
Correct Answer
D. Reducing the rate of viral replication. -
- 10.
The yeasts:
- A.
Are usuakky considered to be pathogenic
- B.
Consist of clusters of cells.
- C.
Many cause opportunistic infection in the body
- D.
Are normally not found in resident flora.
Correct Answer
C. Many cause opportunistic infection in the body -
- 11.
Fungi reproduce by:1. budding2. extension3. binary fission4 production of spores
- A.
1,2
- B.
2,4
- C.
1,2,4
- D.
2,3,4
Correct Answer
C. 1,2,4 -
- 12.
Which of the following is not classified as protoza?
- A.
Plasmodium vivax
- B.
Trichomonas vaginalis
- C.
Mycoplasma pneumonia
- D.
Entamoeba histolytica
Correct Answer
C. Mycoplasma pneumonia -
- 13.
Which of the following is a characteristic of rickettsia?
- A.
It is a very small gram-negative intracellular microbe
- B.
It exists in three forms
- C.
It causes a sexually transmitted disease
- D.
It reproduces by budding
Correct Answer
A. It is a very small gram-negative intracellular microbe -
- 14.
Entamoeba histolytica is transmitted by:
- A.
Mosquitoes
- B.
Inhaling contaminated particles
- C.
Sexual intercourse
- D.
Cysts in feces, contaminating food/water
Correct Answer
D. Cysts in feces, contaminating food/water -
- 15.
Which of the following is a characteristic of resident or normal flora (microflora)?
- A.
It exists in all areas of the body
- B.
Different species inhabit various areas of the body
- C.
It is of no benefit to human host
- D.
It consists only of bateria
Correct Answer
B. Different species inhabit various areas of the body -
- 16.
Which area of the body is sterilea?
- A.
Stomach
- B.
Pharynx
- C.
All mucous membranes
- D.
Vagina
Correct Answer
A. Stomach -
- 17.
The term nonsocomial infection means:
- A.
Transmission involves an insect or animal host
- B.
Infection acquired in a hospital or medical facility
- C.
Transmitted by a fomite
- D.
Spread by direct contact
Correct Answer
B. Infection acquired in a hospital or medical facility -
- 18.
Transmission of microbes by direct contact includes:
- A.
Touching a contaminated countertop
- B.
Sexual intercourse
- C.
Drinking contaminated water
- D.
Inhaling dust
Correct Answer
B. Sexual intercourse -
- 19.
What does the term carrier mean?
- A.
A person with active infections
- B.
Animals, insects, objects or surfaces contaminated
- C.
An individual who is contagious through infected secretions
- D.
A healthy person whose body harbors pathogens and can transmit them to others
Correct Answer
D. A healthy person whose body harbors pathogens and can transmit them to others -
- 20.
Opportunistic infection may develop when:
- A.
Pathogens enter the body but cannot colonize
- B.
A member of the resident flora
- C.
Host resistance increases
- D.
Contaminated food
Correct Answer
C. Host resistance increases -
- 21.
Host resistance is promoted by all of the following except:
- A.
Prescribed immunizations
- B.
Chronic repiratory disease
- C.
Vitamin and mineral supplements
- D.
Appropriate inflammatory or immune response
Correct Answer
B. Chronic repiratory disease -
- 22.
Which of the following factors would not be increase the virulence of a specific mircobe?
- A.
Secretion of endotoxin
- B.
Presence of bacterial capsule
- C.
Production of interferons
- D.
Secretion of invasive enzymes
Correct Answer
C. Production of interferons -
- 23.
What does a vaccine contain?
- A.
Attenuated (weakend) or dead pathogens or their toxins
- B.
Antibodies for a specific pathogen
- C.
Memeort B and T
- D.
Chemicals to stimulate the immune response.
Correct Answer
A. Attenuated (weakend) or dead pathogens or their toxins -
- 24.
What do clinical signs of infection appear?
- A.
As soon as pathogens penetrate
- B.
Quickly when microbe replicate
- C.
When yhe mircrobial colony is large enough to damage
- D.
After the immune system is activated.
Correct Answer
C. When yhe mircrobial colony is large enough to damage -
- 25.
The principle of Universal Precautions is based on:
- A.
Using disinfectants at all times
- B.
Not touching any open or bleeding lesions
- C.
Sterilizing all instruments
- D.
Assuming that all body fluids from all individuals are possible sources of infections.
Correct Answer
D. Assuming that all body fluids from all individuals are possible sources of infections. -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Jul 30, 2011Quiz Edited by
ProProfs Editorial Team -
Feb 02, 2010Quiz Created by
Caitlinnorthcutt
Back to top