colonies of which microbes are yellow on culture that contains blood?

staphylococcus aureus

which of the following microbes is catalase and coagulase positive?

staphylococcus aureus.

in many cases, the implanted material must be removed to fully treat the patient due to the presence of the?

biofilm

which of the following contributes to pathogenicity?

virulence factors

which of the following infections involves skeleton?

osteomyelitis

Staphylococcus epidermidis is a frequent cause of which of the following infections?

all of the answers are correct

which of the following microbes resides in perineal region?

staphylococcus lugdunensis

during which of the following conditions is nikolsky's sign observed?

ssss

the severity of the food poisoning caused by staphylococcus aureus depends on?

the amount of enterotoxin

initial activation of which of the following cells triggers action of superantigens?

T cells

the cells of streptococcus pneumoniae occur in?

pairs

the presence of the polysaccharide capsule makes the strains of strep.pneumoniae?

more virulent and resistant against phagocytes

which streptococciare strictly B-hemolytic

group A

what test differentiates between B-hemolytic streptococci?

bacitracin sensitivity

which age group receives only PCV13 vaccine?

younger than age 2

which of the following is the primary cause of meningitis in children?

Haemophilus influenza

one of the complications of meningitis is hydrocephalus which actually means excess of fluid in?

brain ventricles

strawberry tongue is assign of?

scarlet fever

what strains are the most frequent cause of necrotizing fasciits

GAS

what strains are part of normal microbiome of the vagina?

GBS

what particular type(s) of organism(s) frequently responsible for surgical site infections (SSIs) and health Care Associated Infections (HAIs)?

S aureus and S. epidermidis

cocci arranged in clusters are referred to as staphylococci and are in what shape?

spherical

Bacteria that are able to adapt to various oxygen concentration are termed?

Facultative

which of the following can be a recognized possible complication when an artificial heart valves are implanted?

endocarditis