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HSS 1100 LECTURE 4 EXAM QUESTIONS WITH CORRECT ANSWERS

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HSS 1100 LECTURE 4 EXAM QUESTIONS WITH CORRECT ANSWERS

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HSS 1100 LECTURE 4 EXAM
QUESTIONS WITH CORRECT
ANSWERS

What is gram negative cocci - Answer-spherical bacteria that have a thin peptidoglycan
layer

What disease should we associate with staphylococcus aureus - Answer- impetigo

Staphylococcus epidermidis - Answer-part of normal, skin and mucous flora. is
considered opportunistic

What are the three streptococci forms - Answer-pyogenes, agalactiae and pneumoniae

What shape is streptococci - Answer-twisted chain of balls

What are the groups that streptococci subdivided into - Answer-1. hemolytic properties
(alpha, beta, how bacteria treats red blood cells)
2. carboydrate C antigen (based on a cell wall antigen)
3. M-protein (a virulence factor of streo)

What is gram positive cocci - Answer-spherical bacteria that stain purple due to thick
peptidoglycan cell wall

What are the two types of gram positive cocci - Answer-strep and staph

What are the two staphylococcus bacterias - Answer-aureus and epidermidis

What type of toxin does staphylococcus aureus produce - Answer-an exotoxin
specifically called enterotoxins that effect the small intestine

What are the types of hemolysis and what do they mean - Answer-1. beta- RBC
destruction (pyogenes)
2. alpha- partial RBC destruction (pneumonia)
3. gama- no hemylosis

streptococcus pyogenes is... - Answer--beta

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