Exam 24: Microbial Symbioses with Humans

Which of the following environmental and host factors influence the composition of the resident microbiota on the skin?

Children with severe dental caries tend to have elevated levels of all of the following bacteria EXCEPT

The Nugent score is used to diagnose

The gut microbiota resembles the adult microbiota

Which of the following are NOT found in the gastrointestinal tract of healthy humans?

The collective term for the functional collection of microbes living on or in the human body, as opposed to a general term for organisms in an environmental habitat, is

Which of the following is NOT true about breast fed infants compared with those fed formula?

Following antibiotic therapy, patients are often administered ________ to facilitate recolonizaton of normal microbiota in the intestines.

Gut microbiota is known to be linked with

Consumers can purchase probiotic foods that are 100% proven to be highly effective.

Normal microbiota in the duodenum is

Bacteria make up about one-third the weight of fecal matter.

Which of the following is known to be TRUE about dog owners and their dogs?

The pouch at the beginning of the large intestine is called the

Vaginal acidity in the adult female is due to acid production by Lactobacillus acidophilus.

Bacteria found in the mouth in the first years of life are well-adapted to biofilm formation.

Weight gain and obesity may be partly caused by certain gut microbial communities that

One microenvironment of the skin is an area where glands produce an oily substance called

Extensive microbial growth in a thick bacterial layer on the teeth is called

Discuss some reasons why it is important to include diverse populations in studies of the human microbiome.