Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.

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Chapter 21, Problem 9MCQ

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Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.

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One of the leading causes of morbidity and mortality after a person gives birth is sepsis. Some cases are caused by invasive Group A streptococcus. What is a potential reservoir for this pathogen? A. There are so many species of Group A streptococcus that it is impossible to identify a reservoir. B. It can be normal flora in the person's throat, and respiratory secretions can be transmitted by direct contact. C. It is normal flora in the blood, and therefore colonizes the surface of the baby's skin as the baby is being born.

Different strains of Streptococcus pyogenes have different virulence factors, giving these microbes much versatility. Virulence factors include which of the following? Choose one or more: A.A capsule that, when thick, will help the organism avoid phagocytosis by macrophages B.A cell wall containing lipoteichoic acid, thought to facilitate adherence to pharyngeal epithelial cells C.Enzymes that lyse blood cells (streptolysins) D.The production of several endotoxins called streptococcal pyogenic endotoxins (SPEs)

There are many bacterial-antimicrobial resistance combinations. Which one of the following is of maior international concern? a. Sulfonamide resistance in Neisseria meningitides b. Penicillin G resistance in N. gonorrhoeae C. Ampicillin resistance in H. influenza d. Erythromycin resistance in S. pyogenes (group A streptococci) e. Vancomycin resistance in S. aureus

Answer 2

Question

Chapter 21, Problem 9MCQ

Summary Introduction

Introduction:

Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.

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Answer 3

Question

Chapter 21, Problem 9MCQ

Summary Introduction

Introduction:

Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.

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Answer 4

Question

Chapter 21, Problem 9MCQ

Summary Introduction

Introduction:

Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.

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Answer 5

Chapter 21, Problem 9MCQ

Summary Introduction

Introduction:

Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.

Answer 6

Chapter 21, Problem 9MCQ

Summary Introduction

Introduction:

Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.

Answer 7

Chapter 21, Problem 9MCQ

Summary Introduction

Introduction:

Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.

Answer 8

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Answer 11

Ch. 21.1 - Prob. 1AYP Ch. 21.1 - Prob. 2AYP Ch. 21.2 - Prob. 3AYP Ch. 21.3 - Prob. 4AYP Ch. 21.3 - Prob. 5AYP Ch. 21.3 - Prob. 6AYP Ch. 21.4 - Prob. 7AYP Ch. 21.4 - Prob. 8AYP Ch. 21.4 - Prob. 9AYP Ch. 21.4 - Prob. 10AYP

Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.

Solution Summary: The author explains that Streptomyces pyogenes is a group of gram-positive cocci bacteria which cause infection in the upper respiratory system.

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Introduction:

Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.

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Chapter 21 Solutions

Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.

Solution Summary: The author explains that Streptomyces pyogenes is a group of gram-positive cocci bacteria which cause infection in the upper respiratory system.

Concept explainers

Videos

Introduction: Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.

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Chapter 21 Solutions

Introduction:

Streptomyces pyogenes are gram-positive cocci bacteria which cause infection in the upper respiratory system. The cell wall of these bacteria strains contains lipoteichoic acid which helps in the adherence of these bacteria to the epithelial cell layers.