Diagnostic Microbiology Ch 13 - Jess Fall2023

S. epidermidis, S. haemolyticus (in low numbers), and S. lugdunensis (in low numbers) share what habitat?

S. aureus is the only bacteria in this chapter to habitate in which of the following? (CHOOSE ALL CORRECT)

S. saprophyticus is the only bacteria in this chapter to habitate where?

S. aureus, S. epidermidis, S. haemolyticus, S. lugdunensis, S. saprophyticus, Micrococcus, Kocuria, Kytococcus, Rothia, Dermacoccus, Auritidibacter, Macrococcus, Planococcus, Aerococcus, and Alloiococcus spp. (All listed bacteria for the chapter) all share a habitat of what?

S. saprophyticus, Micrococcus, Kocuria, Kytococcus, Rothia, Dermacoccus, Auritidibacter, Macrococcus, Planococcus, Aerococcus, and Alloiococcus spp. all share a habitat of the ____?_____

Micrococcus, Kocuria, Kytococcus, Rothia, Dermacoccus, Auritidibacter, Macrococcus, Planococcus, Aerococcus, and Alloiococcus spp. (note: all staph. excluded) all share a habitat where?

What introduces the endogenous strain of S. Aureus?

What introduces the endogenous strains of Micrococcus, Kocuria, Kytococcus, Rothia, Dermacoccus, Auritidibacter, Macrococcus, Planococcus, Aerococcus, and Alloiococcus spp.?

What introduces the endogenous strain of S. epidermidis, S. haemolyticus, and S. lugdunensis?

What introduces the endogenous strain of S. saprophyticus?

What methods of direct contact does S. Aureus use to spread? (CHOOSE ALL CORRECT)

What method of direct contact does S. epidermidis, S. haemolyticus, and S. lugdunensis use to spread?

What method of indirect contact does S. Aureus use to spread?

Although RARELY implicated, which infections can Micrococcus, Kocuria, Kytococcus, Rothia, Dermacoccus, Auritidibacter, Macrococcus, Planococcus, Aerococcus, and Alloiococcus spp. all cause in immunocompromised individuals? (CHOOSE ALL CORRECT ANSWERS)

Which THREE of the skin infecting bacteria covered in this chapter are easily confused with staph under microscope?

What is a persistent carrier?

What is an intermittent carrier?

What is a noncarrier?

Referring to S. aureus, what is protein A?

What does alpha toxin do?

What does beta toxin do?

What is delta toxin?

Other than alpha toxin, beta toxin, and delta toxin, what two other significant biproducts is produced by S. aureus?

What percent of all S. aureus strains are capable of producing one of eight distinct serologic types of heat-stable enerotoxin?

What is a community-associated infection and why does the presence of S. Aureus often worsen them?

What is the main toxin associated with scalded skin syndrome?

What is the main toxin associated with toxic shock syndrome?

Which has the following appearance: Small to medium; opaque, convex; nonhemolytic; wide variety of pigments (white, tan, yellow, orange, pink)

Which has the following appearance: Medium to large; smooth, entire, slightly raised, low convex, opaque; most colonies pigmented creamy yellow; most colonies beta-hemolytic?

Which has the following appearance: Small to medium; opaque, gray-white colonies; most colonies nonhemolytic; slime-producing strains are extremely sticky and adhere to the agar surface?

Which has the following appearance: Medium; smooth, butyrous, and opaque; beta-hemolytic

Which has the following appearance: Medium to large; smooth, butyrous, and opaque; may be unpigmented or cream-yellow-orange; nonhemolytic?

Which has the following appearance: Medium to large; smooth, glossy, entire edge with slightly domed center; unpigmented or cream to yellow-orange, may be beta-hemolytic? (CHOOSE 2)

Which has the following appearance: Large; entire, very glossy, smooth, opaque, butyrous, convex; usually white but colonies can be yellow or orange; nonhemolytic?

Which has the following appearance: Medium to large; smooth, glossy, slightly convex with entire edges; unpigmented; may be hemolytic?

Which has the following appearance: Large; slightly convex, entire, smooth, glossy, translucent; usually nonpigmented; delayed to nonhemolytic?

Which has the following appearance: Large; slightly convex, entire, smooth, glossy, opaque; usually nonpigmented; nonhemolytic?

Which has the following appearance: Small to medium; smooth, slightly convex, glistening, entire, opaque; usually yellow or yellow orange, OR nonpigmented; delayed to nonhemolytic?