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BMS 602 Exam #2 Questions and Answers 100% Solved | Graded A+

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BMS 602 Exam #2 Questions and Answers 100% Solved | Graded A+ LO (11&12): Know the disease states that S. pyogenes and S. pneuomniae can cause and be able to discriminate between these disease states in a case study. - Streptococcus pyogenes: -Lance group: A -Hemolysis: Beta -Habitat: Throat...

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  • October 30, 2024
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BMS 602 Exam #2 Questions and

Answers 100% Solved | Graded A+


LO (11&12): Know the disease states that S. pyogenes and S. pneuomniae

can cause and be able to discriminate between these disease states in a

case study. - ✔✔Streptococcus pyogenes:

-Lance group: A

-Hemolysis: Beta

-Habitat: Throat, and Skin

-Disease: Pharyngitis, Impetigo, Rheumatic fever, Glomerulonephritis



Streptococus pneumoniae:

-Lance group: None

-Hemolysis: Alpha

-Habitat: Throat (primarily nasopharynx)

-Disease: Pneumonia, Meningitis,and Bacteremia

What are some characteristics that allow Streptococci to be distinguished

from other bacteria? - ✔✔Streptococci grow in chains or pairs, and are

,©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
catalase-negative organisms. While these are their main distinguishing

traits, Streptococci are also facultative anaerobes, meaning that they can

survive in both aerobic or anaerobic conditions, and have complex

nutritional requirements, meaning that they are not easily grown. (Need

Blood Agar medium or serum enriched media)

What are the three ways that species of Sreptococci are classified? -

✔✔The three different overlapping classification schemes are:



1. Lancefield groupings: serological grouping by surface antigens - groups

are A, B, C, and G.



2. Hemolysis patterns: Complete (beta), partial (alpha), no hemolysis

(gamma)



3. Biochemical properties



*ALL BETA HEMOLYTIC streptococci are put into lancefield groupings,

however other species with different hemolysis patterns are classified by

their biochemical properties.

,©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
List the Lancefield grouping, hemolysis pattern, habitat, and common

diseases caused by:



S. pyogenes - ✔✔Lancefield: A



Hemolysis: Beta



Habitat: Throat, skin



Common disease: pharyngitis, impetigo, rheumatic fever (can also cause

necrotizing fasciitis)

List the Lancefield grouping, hemolysis pattern, habitat, and common

diseases caused by:



S. pneumoniae - ✔✔Lancefield: NONE



Hemolysis: Alpha



Habitat: Throat

, ©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
Common disease: pneumonia, meningitis, bactermia (S. pneumonia is the

leading cause of bacterial meningitis, which is bacterial infection of the

blood)

What is the difference between epithelial and endothelial cells? -

✔✔Epithelial cells are cells that line the hollow organs and glands, and

make up the outer surface of the body. These cells are EXPOSED to the

outside world, and are generally coated in mucous. Some epithelial cells

contain cilia to remove foreign substances.



Endothelial cells are cells that line the INTERIOR surface of blood vessels

and lymphatic vessels. These cells are only exposed to blood or lymph,

NOT the outside world. These cells are not ciliated, and do not contain

mucous.



** Main Differences:



Epithelial: EXTERIOR - ciliated, contain mucous

Endothelial: INTERIOR - non-ciliated, no mucous

What are the roles of the two functional domains of the respiratory system?

- ✔✔The two functional domains are:

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