S. aureus Characteristics and Pathogenesis Quiz

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What is the typical appearance of S. aureus cells under electron microscopy?

Rough spherical shaped cells with smooth surface and thick cell wall (correct)
Smooth rod-shaped cells with thin cell wall
Irregular shaped cells with spiky surface and thin cell wall
Smooth oval shaped cells with no distinct cell wall

What type of food is commonly associated with S. aureus-induced food poisoning?

Raw meat and poultry
Processed canned foods
Fresh fruits and vegetables
Dairy milk products (correct)

Which type of infections can be caused by S. aureus?

Suppurative and toxigenic (correct)
Respiratory and cardiovascular
Viral and fungal
Parasitic and bacterial

What type of hemolysis does S. aureus cause on blood agar?

Beta-hemolysis (B) Signup and view all the answers

In what percentage of normal individuals does nasal carriage of S. aureus occur?

10-40% (A) Signup and view all the answers

How can MRSA be transmitted within the oral cavity?

By direct contact, such as sharing contaminated objects (C) Signup and view all the answers

What is the recommended practice to minimize the risk of MRSA transmission within the oral cavity?

Avoiding close personal contact with infected individuals (B) Signup and view all the answers

What is the method for sample collection for MRSA culture in the oral cavity?

Swabbing the affected area or sites suspected to be colonized by MRSA (B) Signup and view all the answers

What is the purpose of using chromogenic media in MRSA identification?

To visualize specific substances that produce colored colonies when MRSA is present (C) Signup and view all the answers

What is the purpose of incubating inoculated agar plates in MRSA culture?

To provide optimal conditions for bacterial growth and presence of necessary nutrients (D) Signup and view all the answers

Which of the following is a characteristic of Staphylococcus epidermidis?

Has no role in balancing the microflora on human epithelial surfaces (C) Signup and view all the answers

What is the primary function of the phenol-soluble modulin (PSM) family secreted by S. epidermidis?

Facilitates biofilm development (C) Signup and view all the answers

In what way does S. epidermidis contribute to the commensal life on human epithelial surfaces?

Controls outgrowth of harmful bacteria (D) Signup and view all the answers

What is the role of S. epidermidis as an important nosocomial pathogen?

Infections of indwelling medical devices (C) Signup and view all the answers

What do we still have a serious lack of understanding regarding in relation to S. epidermidis pathogenesis mechanisms?

Factors governing commensal life on human epithelial surfaces (C) Signup and view all the answers

What is motivation research designed to probe?

Consumers' subconscious motivations (B) Signup and view all the answers

According to Maslow's Hierarchy of Needs, what is a 'motive'?

A pressing need (A) Signup and view all the answers

What is the process by which people select, organize, and interpret information to form a meaningful picture of the world?

Perception (D) Signup and view all the answers

What is selective retention in the context of consumer behavior?

The tendency to remember good points about a favored brand and forget good points about competing brands (D) Signup and view all the answers

What does learning in consumer behavior refer to?

The change in an individual's behavior arising from experience (D) Signup and view all the answers

What is a belief in the context of consumer behavior?

A descriptive thought that a person has about something (C) Signup and view all the answers

What do attitudes describe in consumer behavior?

A person's relatively consistent evaluations, feelings, and tendencies toward an object or idea (C) Signup and view all the answers

What type of buying behavior involves significant deliberation and searching for information?

Complex buying behavior (C) Signup and view all the answers

Which factor can affect the purchase decision according to the text?

Attitudes of others (A) Signup and view all the answers

What does the adoption process refer to?

The mental process an individual goes through from first learning about an innovation to final regular use (D) Signup and view all the answers