Exam 5: Practice Quizzes pt.1

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Pyogenic microbe refers to:

a microbe that causes an infection characterized by the production of pus formation

The diarrhea of cholera has been described as:

a rice water stool

With certain wound infections, such as MRSA, an BLANK can form which is a walled off collection of pus.

abscess

Most cases of Salmonella gastroenteritis have an:

animal source

How does H. pylori survive the acidic conditions of the stomach?

by producing urease, an enzyme that converts urea to ammonia, thereby creating an alkaline environment and burrowing within the mucus layer of the stomach

Part of the ability of S. mutans to result in dental caries depends on its ability to:

convert sucrose to lactic acid

The most common infectious disease in human is:

dental decay

Collections of bacteria that adhere to surfaces of teeth:

dental plaque

Select definition regarding aspects of digestive system that is incorrect:

gingivitis: inflammation of teeth and gums

The causative agent of warts is:

human papillomavirus

All of the following digestive tract components are correctly matched with their function EXCEPT:

liver: stores bile

The most frequent genus causing wound infections in healthy people is:

staphylococcus

Bite wounds are often serious as they may lead to an infection in which two or more species of pathogens act together to produce an affect greater than the sum of effects if each pathogen acted alone. This is referred to as a BLANK infection.

synergistic

Cholera is the classic example of a:

very severe form of diarrhea

How is S. aureus distinguished from S. epidermidis?

S. aureus produces coagulase

The antimicrobial aspects of the skin are:

all of the above -saltiness, dryness, acidity, toxicity

The animals often associated with Salmonella are:

all of the choices are correct -baby chickens, iguanas, ducks, turtles

Which of the following is an important function of the skin?

control body temperature

The food products most commonly contaminated with Salmonella strains are:

eggs and poultry

The organisms that cause diseases like Tetanus and Gangrene produce a structure that allows the cell to go into a dormant state to survive harsh conditions:

endospores

A common source of cholera infection is:

fecal contaminated water

The passage from the mouth to anus is termed:

gastrointestinal tract

All of the following regarding normal microbiota of the digestive tract are true EXCEPT:

it is composed of almost entirely of aerobic species - (it has anaerobic species)

A wound caused from torn tissue is called a:

laceration

Any infection like Varicella can be classified as BLANK where the disease manifestation is followed by a symptomless period, but the virus particles can be reactivated causing an infection that may or may not present with similar signs and symptoms.

latent

Why is it not surprising that Staphylococci are the most common wound infections?

many people carry Staphylococci as part of their normal microbiota

The chronic inflammatory process involving the gums and tissues around the teeth is called:

peiodontal disease

Which of the following microorganisms is the primary cause of common acne?

propioni bacterium

Rubella, Rebeola, and Varicella-zoster are only acquired via:

respiratory route

If an individual in the infectious stage of chickenpox comes into contact with a person who had chickenpox as a child, that second person:

will be unaffected by the contact


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