The waterproofing protein in the skin is called

The types of gram-positive cocci that make up the skin’s normal microbiota are

Which of these organisms is a diphtheroid that inhabits hair follicles?

What protective substance(s) of the skin is/are capable of breaking down the cell walls of certain bacteria?

Which of the following is thought to be responsible for causing dandruff?

What is the MOST common bacterial cause of conjunctivitis?

Which disease is thought to be the MOST common cause of infectious blindness in the United States?

Ophthalmia neonatorum is caused by

Using a homemade saline solution for contact lenses can result in

Which disease was probably the FIRST documented connection between a microscopic microorganism and a disease in humans?

In the brain, cerebrospinal fluid flows through the

What is the order of the layer of meninges from the innermost to the outermost?

Inflammation of the brain is called

Drugs can cross the blood-brain barrier ONLY if they are

In the United States, the MOST common cause of rabies in humans is from

Which type of arboviral encephalitis was introduced to the United States in 19999 and is maintained in a bird-mosquito-bird cycle?

Which disease is transmitted via ingestion of contaminated water and can cause paralysis?

To sterilize instruments contaminated with prions, you should use

A prion is a(n)

Which bacterium is known to cause stillbirth and neurological disease in animals?

The causative agent of plague is

Which stage of the Plasmodium protozoan infects the red blood cells of humans?

The MOST dangerous form of malaria is caused by

Clostridium perfringens is the cause of

A bull’s eye rash is a common symptom of which disease?

Rheumatic fever is an autoimmune complication caused by a ________ infection.

Typhus fever, caused by Rickettsia prowazekii, is transmitted by

Which of the following is NOT transmitted by Aedes mosquitoes?

What is the usual route of transmission for mononucleosis?

The natural host reservoir for Ebola virus is the

Which antibodies in tears, saliva, and mucus help protect mucosal surfaces from many pathogens?

The most threatening infectious disease of the upper respiratory tract is

Which disease forms a tough grayish membrane in the throat?

What is the etiological agent for the disease that has catarrhal, paroxysmal, and convalescence stages?

Walking pneumonia is caused by

Which of the following is/are NOT considered part of the lower respiratory system?

Which intracellular bacterium is the cause of Q fever?

Which disease can be identified by the presence of elementary bodies inside host cells?

Typical pneumonia is caused by which bacterium?

Several serious fungal infections affect the lower respiratory system mainly because fungi

Which of the following is an accessory structure of the digestive tract?

Approximately what percentage of the immune system is located in the intestinal tract?

The population of microorganisms in the large intestine is composed mostly of

Paneth cells, which are capable of phagocytizing bacteria, are found in the

Severe diarrhea accompanied by blood or mucus is called

Bacillary dysentery is caused by

Pinworm disease is caused by

The portal of entry for the larvae of hookworms is the

It is quite common to ingest aflatoxin when one eats

The treatment for viral gastroenteritis, such as norovirus or rotavirus, is usually

Which form of hepatitis kills more people in the US than AIDS_

In 20-40% of men past puberty, the mumps virus can cause