Chapter 24 microbio openstax multiple choice and fill in the blank

Which of the following is NOT a way the normal microbiota of the intestine helps to prevent infection?

It generates large quantities of oxygen that kill anaerobic pathogens.

What types of microbes live in the intestines?

Diverse species of bacteria, archaea, and fungi, especially Bacteroides and Firmicutes bacteria

What pathogen is the most important contributor to biofilms in plaque?

Streptococcus mutans

What type of organism causes thrush?

A fungus

In mumps, what glands swell to produce the disease’s characteristic appearance?

the parotid glands

Which of the following is true of HSV-1?

Infection is generally self-limiting.

Which type of E. coli infection can be severe with life-threatening consequences such as hemolytic uremic syndrome?

EHEC

Which species of Shigella has a type that produces Shiga toxin?

S. dysenteriae

Which type of bacterium produces an A-B toxin?

Vibrio cholera

Which form of hepatitisvirus can only infect an individual who is already infected with another hepatitisvirus?

HDV

Which cause of viral gastroenteritis commonly causes projectile vomiting?

Noroviruses

Which protozoan is associated with the ability to cause severe dysentery?

Entamoeba histolytica

Which protozoan has a unique appearance, with a blue halo, when viewed using ultraviolet fluorescence microscopy?

Cryptosporidium hominis

What is another name for Trichuris trichiura?

whipworm

Which type of helminth infection can be diagnosed using tape?

pinworm

The part of the gastrointestinal tract with the largest natural microbiota is the

large intestine

When plaque becomes heavy and hardened, it is called dental calculus or

tartar

Antibiotic-associated pseudomembranous colitis is caused by

Clostridioides difficile

Jaundice results from a buildup of

bilirubin

Chronic _________ infections cause the unique sign of disease of greasy stool and are often resistant to treatment.

Giardia

Liver flukes are often found in the _________ duct.

bile