Jill Ly
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Quiz on Micro Quiz 4 , created by Jill Ly on 02/04/2018.

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Micro Quiz 4

Question 1 of 52

1

The waterproofing protein in the skin is called

Select one of the following:

  • Dermicidin

  • Keratin

  • Melanin

  • Lysozyme

Explanation

Question 2 of 52

1

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

Select one of the following:

  • Staphylococci and micrococci

  • Staphylococci and streptococci

  • Micrococci and streptococci

  • Streptococci and enterococci

Explanation

Question 3 of 52

1

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

Select one of the following:

  • Propionibacterium acnes

  • Malassezia furfur

  • Streptococcus pyogenes

  • Staphylococcus aureus

Explanation

Question 4 of 52

1

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

Select one of the following:

  • Perspiration

  • Antimicrobial peptides

  • Sebum

  • Lysozyme

Explanation

Question 5 of 52

1

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

Select one of the following:

  • Malassezia furfur

  • Propionibacterium acnes

  • Staphylococcus aureus

  • Staphylococcus epidermidis

Explanation

Question 6 of 52

1

What is the MOST common bacterial cause of conjunctivitis?

Select one of the following:

  • Neisseria gonorrhoeae

  • Chlamydia trachomatis

  • Haemophilus influenza

  • Streptococcus pyogenes

Explanation

Question 7 of 52

1

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

Select one of the following:

  • Herpetic keratitis

  • Trachoma

  • Acanthamoeba keratitis

  • Inclusion conjunctivitis

Explanation

Question 8 of 52

1

Ophthalmia neonatorum is caused by

Select one of the following:

  • Neisseria gonorrhoeae

  • Pseudomonas aeruginosa

  • Haemophilus influenza

  • Acanthamoeba

Explanation

Question 9 of 52

1

Using a homemade saline solution for contact lenses can result in

Select one of the following:

  • Acanthamoeba keratitis

  • Trachoma

  • Opthalmia neonatorum

  • Inclusion conjunctivitis

Explanation

Question 10 of 52

1

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

Select one of the following:

  • Scabies

  • Pediculosis

  • Candidiasis

  • Sporotrichosis

Explanation

Question 11 of 52

1

In the brain, cerebrospinal fluid flows through the

Select one of the following:

  • Dura mater

  • Subarachnoid space

  • Arachnoid mater

  • Pia mater

Explanation

Question 12 of 52

1

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

Select one of the following:

  • Arachnoid mater, dura mater, pia mater

  • Dura mater, arachnoid mater, pia mater

  • Pia mater, dura mater, arachnoid mater

  • Pia mater, arachnoid mater, dura mater

Explanation

Question 13 of 52

1

Inflammation of the brain is called

Select one of the following:

  • Meningitis

  • Encephalitis

  • Neuritis

  • Hydrocephalus

Explanation

Question 14 of 52

1

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

Select one of the following:

  • Large-molecular-weight molecules

  • Small-molecular-weight molecules

  • Water-soluble

  • Lipid-soluble

Explanation

Question 15 of 52

1

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

Select one of the following:

  • Raccoons

  • silver-haired bats

  • Dogs

  • Honey badgers

Explanation

Question 16 of 52

1

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

Select one of the following:

  • Eastern equine encephalitis

  • Japanese encephalitis

  • West Nile virus

  • California encephalitis

Explanation

Question 17 of 52

1

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

Select one of the following:

  • Rabies

  • Japanese encephalitis

  • West Nile encephalitis

  • Polio

Explanation

Question 18 of 52

1

To sterilize instruments contaminated with prions, you should use

Select one of the following:

  • Dry heat

  • Routine autoclaving

  • UV light

  • A strong solution of sodium hydroxide

Explanation

Question 19 of 52

1

A prion is a(n)

Select one of the following:

  • Abnormally folded protein

  • Protein subunit

  • Form of a bacterium

  • Viral particle

Explanation

Question 20 of 52

1

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

Select one of the following:

  • Listeria monocytogenes

  • Streptococcus pneumoniae

  • Clostridium botulinum

  • Haemophilus influenza

Explanation

Question 21 of 52

1

The causative agent of plague is

Select one of the following:

  • Francisella tularensis

  • Yersinia pestis

  • Borrelia burgdorferi

  • Rickettsia prowazekii

Explanation

Question 22 of 52

1

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

Select one of the following:

  • Schizont

  • Merozoite

  • Sporozoite

  • Gametocyte

Explanation

Question 23 of 52

1

The MOST dangerous form of malaria is caused by

Select one of the following:

  • Plasmodium ovale

  • Plasmodium malariae

  • Plasmodium falciparum

  • Plasmodium vivax

Explanation

Question 24 of 52

1

Clostridium perfringens is the cause of

Select one of the following:

  • Gas gangrene

  • Puerperal sepsis

  • Brucellosis

  • Rat-bite fever

Explanation

Question 25 of 52

1

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

Select one of the following:

  • Epidemic typhus

  • Lyme disease

  • Rocky Mountain spotted fever

  • Tularemia

Explanation

Question 26 of 52

1

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

Select one of the following:

  • Staphylococcus aureus

  • Francisella tularensis

  • Brucella melitensis

  • Streptococcus pyogenes

Explanation

Question 27 of 52

1

Typhus fever, caused by Rickettsia prowazekii, is transmitted by

Select one of the following:

  • Ticks

  • Human body lice

  • Fleas

  • Mites

Explanation

Question 28 of 52

1

Which of the following is NOT transmitted by Aedes mosquitoes?

Select one of the following:

  • Malaria

  • Yellow fever virus

  • Dengue fever virus

  • Chikungunya virus

Explanation

Question 29 of 52

1

What is the usual route of transmission for mononucleosis?

Select one of the following:

  • Contaminated blood

  • Mosquitoes

  • Aerosols

  • Transfer of saliva

Explanation

Question 30 of 52

1

The natural host reservoir for Ebola virus is the

Select one of the following:

  • Fruit bat

  • Mosquito

  • Fat

  • Green Monkey

Explanation

Question 31 of 52

1

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

Select one of the following:

  • IgD

  • IgA

  • IgG

  • IgM

Explanation

Question 32 of 52

1

The most threatening infectious disease of the upper respiratory tract is

Select one of the following:

  • Epiglottitis

  • Pharyngitis

  • Laryngitis

  • Sinusitis

Explanation

Question 33 of 52

1

Which disease forms a tough grayish membrane in the throat?

Select one of the following:

  • Scarlet fever

  • Psittacosis

  • Q fever

  • Diphtheria

Explanation

Question 34 of 52

1

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

Select one of the following:

  • Haemophilus influenza

  • Streptococcus pyogenes

  • Burkholderia pseudomallei

  • Bordetella pertussis

Explanation

Question 35 of 52

1

Walking pneumonia is caused by

Select one of the following:

  • Legionella pneumophilia

  • Chlamydophila pneumoniae

  • Mycoplasma pneumoniae

  • Streptococcus pneumoniae

Explanation

Question 36 of 52

1

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

Select one of the following:

  • Trachea

  • Larynx

  • Pharynx

  • Bronchial tubes

Explanation

Question 37 of 52

1

Which intracellular bacterium is the cause of Q fever?

Select one of the following:

  • Burkholderia pseudomallei

  • Rickettsia rickettsia

  • Legionella pneumophila

  • Coxiella burnetii

Explanation

Question 38 of 52

1

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

Select one of the following:

  • Psittacosis

  • Pontiac fever

  • Melioidosis

  • Legionellosis

Explanation

Question 39 of 52

1

Typical pneumonia is caused by which bacterium?

Select one of the following:

  • Haemophilus influenza

  • Streptococcus pneumoniae

  • Mycoplasma pneumoniae

  • Legionella pneumophila

Explanation

Question 40 of 52

1

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

Select one of the following:

  • Are dimorphic

  • Are opportunistic

  • Produce airborne spores

  • Produce toxic proteins

Explanation

Question 41 of 52

1

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

Select one of the following:

  • Pharynx

  • Stomach

  • Liver

  • Mouth

Explanation

Question 42 of 52

1

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

Select one of the following:

  • 20%

  • 40%

  • 60%

  • 80%

Explanation

Question 43 of 52

1

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

Select one of the following:

  • Aerobes and anaerobes

  • Anaerobes and facultative anaerobes

  • Aerobes and facultative anaerobes

  • Aerotolerant anaerobes

Explanation

Question 44 of 52

1

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

Select one of the following:

  • Small intestine

  • Large intestine

  • Stomach

  • Pancreas

Explanation

Question 45 of 52

1

Severe diarrhea accompanied by blood or mucus is called

Select one of the following:

  • Food poisoning

  • Intoxication

  • Gastroenteritis

  • Dysentery

Explanation

Question 46 of 52

1

Bacillary dysentery is caused by

Select one of the following:

  • Staphylococcus

  • Shigella

  • Salmonella

  • Clostridium

Explanation

Question 47 of 52

1

Pinworm disease is caused by

Select one of the following:

  • Taenia solium

  • Echinococcus granulosus

  • Necator americanus

  • Enterobius vermicularis

Explanation

Question 48 of 52

1

The portal of entry for the larvae of hookworms is the

Select one of the following:

  • Skin

  • Mouth

  • Blood

  • Lymph

Explanation

Question 49 of 52

1

It is quite common to ingest aflatoxin when one eats

Select one of the following:

  • Fruit

  • Meat

  • Peauts

  • Cheese

Explanation

Question 50 of 52

1

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

Select one of the following:

  • Antitoxins

  • Oral rehydration

  • Antibiotics

  • Antiviral agents

Explanation

Question 51 of 52

1

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

Select one of the following:

  • Hepatitis A

  • Hepatitis B

  • Hepatitis C

  • Hepatitis E

Explanation

Question 52 of 52

1

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

Select one of the following:

  • Orchitis

  • Liver damage

  • Fever

  • Death

Explanation

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