Question

48Which of the following includes normal residents that are restricted to mucus membranes and may cause systemic infections following dental procedures?

  Staph

Lactobacillus

Bifidobacter

Clostridium

Strep

47Changes in pH and temperature have an effect on the function of an enzyme by…

amino acid substitution

neutralization reactions

regulating the rate of gene expression

changing protein folding and shape

competitive inhibition

46Which of the following is the most resistant form of life?

cysts

bacterial endospores

enveloped viruses

fungal asexual spores

fungal sexual spores

43Which of the following is associated with Mycobacterium leprea?

spore former

stains acid fast

LPS

strict anaerobe

highly transmissible

42The type of microorganisms living in your gut may ________

all of the above

help keep pathogenic bacteria from causing trouble

alter the gene expression of your cells

influence the activity of your immune system

influence brain function

33.Which of the following organisms are involved in maintaining an acidic environment in the vagina?

Lactobacilli

Staphylococcus

viradins group strep

E coli

Candida albicans

31Which of the following a target of heavy metals such as silver or zinc?

peptidoglycan

enzymes and proteins

bacterial DNA

phospholipids

ribosomes

Answer 1