staphylococcus and streptococcus

Question 1

are staphylococcus species gram negative or positive?

Answer 1

positive

Question 2

what are morphological characteristics of staphylococcus?

Answer 2

cocci shaped

arranged in clumps/ grape like conformation

Question 3

are streptococcus species gram positive or negative?

Answer 3

positive

Question 4

what are morphological characteristics of streptococcus?

Answer 4

cocci shaped

arranged in pairs or chains

Question 5

where are staph species usually found?

Answer 5

on skin

Question 6

what type of pathogen is staph?

Answer 6

opportunistic

Question 7

is staph catalase positive or negative?

Answer 7

positive

Question 8

what superficial skin lesions does staphylococcus aureus cause?

Answer 8

boils
styles
furuncles

Question 9

what serious infections can s.aureus cause?

Answer 9

pneumonia 
mastitis 
meningitis 
necrotising faciitis 
UTI

Question 10

what deep seated infections can s.aureus cause?

Answer 10

osteomyelitis

endocarditis

Question 11

what nosocomial infections can s.aureus cause?

Answer 11

surgical wound infections

infections of indwelling devices

Question 12

can s.aureus grow on manitol salt agar? why?

Answer 12

yes
they are halophytes
ferment manitol and produce a yellow colour change