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Micro Quiz 4

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Quiz on Micro Quiz 4 , created by Jill Ly on 02/04/2018.
Jill Ly
Quiz by Jill Ly, updated more than 1 year ago
Jill Ly
Created by Jill Ly over 6 years ago
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Resource summary

Question 1

Question
The waterproofing protein in the skin is called
Answer
  • Dermicidin
  • Keratin
  • Melanin
  • Lysozyme

Question 2

Question
The types of gram-positive cocci that make up the skin’s normal microbiota are
Answer
  • Staphylococci and micrococci
  • Staphylococci and streptococci
  • Micrococci and streptococci
  • Streptococci and enterococci

Question 3

Question
Which of these organisms is a diphtheroid that inhabits hair follicles?
Answer
  • Propionibacterium acnes
  • Malassezia furfur
  • Streptococcus pyogenes
  • Staphylococcus aureus

Question 4

Question
What protective substance(s) of the skin is/are capable of breaking down the cell walls of certain bacteria?
Answer
  • Perspiration
  • Antimicrobial peptides
  • Sebum
  • Lysozyme

Question 5

Question
Which of the following is thought to be responsible for causing dandruff?
Answer
  • Malassezia furfur
  • Propionibacterium acnes
  • Staphylococcus aureus
  • Staphylococcus epidermidis

Question 6

Question
What is the MOST common bacterial cause of conjunctivitis?
Answer
  • Neisseria gonorrhoeae
  • Chlamydia trachomatis
  • Haemophilus influenza
  • Streptococcus pyogenes

Question 7

Question
Which disease is thought to be the MOST common cause of infectious blindness in the United States?
Answer
  • Herpetic keratitis
  • Trachoma
  • Acanthamoeba keratitis
  • Inclusion conjunctivitis

Question 8

Question
Ophthalmia neonatorum is caused by
Answer
  • Neisseria gonorrhoeae
  • Pseudomonas aeruginosa
  • Haemophilus influenza
  • Acanthamoeba

Question 9

Question
Using a homemade saline solution for contact lenses can result in
Answer
  • Acanthamoeba keratitis
  • Trachoma
  • Opthalmia neonatorum
  • Inclusion conjunctivitis

Question 10

Question
Which disease was probably the FIRST documented connection between a microscopic microorganism and a disease in humans?
Answer
  • Scabies
  • Pediculosis
  • Candidiasis
  • Sporotrichosis

Question 11

Question
In the brain, cerebrospinal fluid flows through the
Answer
  • Dura mater
  • Subarachnoid space
  • Arachnoid mater
  • Pia mater

Question 12

Question
What is the order of the layer of meninges from the innermost to the outermost?
Answer
  • Arachnoid mater, dura mater, pia mater
  • Dura mater, arachnoid mater, pia mater
  • Pia mater, dura mater, arachnoid mater
  • Pia mater, arachnoid mater, dura mater

Question 13

Question
Inflammation of the brain is called
Answer
  • Meningitis
  • Encephalitis
  • Neuritis
  • Hydrocephalus

Question 14

Question
Drugs can cross the blood-brain barrier ONLY if they are
Answer
  • Large-molecular-weight molecules
  • Small-molecular-weight molecules
  • Water-soluble
  • Lipid-soluble

Question 15

Question
In the United States, the MOST common cause of rabies in humans is from
Answer
  • Raccoons
  • silver-haired bats
  • Dogs
  • Honey badgers

Question 16

Question
Which type of arboviral encephalitis was introduced to the United States in 19999 and is maintained in a bird-mosquito-bird cycle?
Answer
  • Eastern equine encephalitis
  • Japanese encephalitis
  • West Nile virus
  • California encephalitis

Question 17

Question
Which disease is transmitted via ingestion of contaminated water and can cause paralysis?
Answer
  • Rabies
  • Japanese encephalitis
  • West Nile encephalitis
  • Polio

Question 18

Question
To sterilize instruments contaminated with prions, you should use
Answer
  • Dry heat
  • Routine autoclaving
  • UV light
  • A strong solution of sodium hydroxide

Question 19

Question
A prion is a(n)
Answer
  • Abnormally folded protein
  • Protein subunit
  • Form of a bacterium
  • Viral particle

Question 20

Question
Which bacterium is known to cause stillbirth and neurological disease in animals?
Answer
  • Listeria monocytogenes
  • Streptococcus pneumoniae
  • Clostridium botulinum
  • Haemophilus influenza

Question 21

Question
The causative agent of plague is
Answer
  • Francisella tularensis
  • Yersinia pestis
  • Borrelia burgdorferi
  • Rickettsia prowazekii

Question 22

Question
Which stage of the Plasmodium protozoan infects the red blood cells of humans?
Answer
  • Schizont
  • Merozoite
  • Sporozoite
  • Gametocyte

Question 23

Question
The MOST dangerous form of malaria is caused by
Answer
  • Plasmodium ovale
  • Plasmodium malariae
  • Plasmodium falciparum
  • Plasmodium vivax

Question 24

Question
Clostridium perfringens is the cause of
Answer
  • Gas gangrene
  • Puerperal sepsis
  • Brucellosis
  • Rat-bite fever

Question 25

Question
A bull’s eye rash is a common symptom of which disease?
Answer
  • Epidemic typhus
  • Lyme disease
  • Rocky Mountain spotted fever
  • Tularemia

Question 26

Question
Rheumatic fever is an autoimmune complication caused by a ________ infection.
Answer
  • Staphylococcus aureus
  • Francisella tularensis
  • Brucella melitensis
  • Streptococcus pyogenes

Question 27

Question
Typhus fever, caused by Rickettsia prowazekii, is transmitted by
Answer
  • Ticks
  • Human body lice
  • Fleas
  • Mites

Question 28

Question
Which of the following is NOT transmitted by Aedes mosquitoes?
Answer
  • Malaria
  • Yellow fever virus
  • Dengue fever virus
  • Chikungunya virus

Question 29

Question
What is the usual route of transmission for mononucleosis?
Answer
  • Contaminated blood
  • Mosquitoes
  • Aerosols
  • Transfer of saliva

Question 30

Question
The natural host reservoir for Ebola virus is the
Answer
  • Fruit bat
  • Mosquito
  • Fat
  • Green Monkey

Question 31

Question
Which antibodies in tears, saliva, and mucus help protect mucosal surfaces from many pathogens?
Answer
  • IgD
  • IgA
  • IgG
  • IgM

Question 32

Question
The most threatening infectious disease of the upper respiratory tract is
Answer
  • Epiglottitis
  • Pharyngitis
  • Laryngitis
  • Sinusitis

Question 33

Question
Which disease forms a tough grayish membrane in the throat?
Answer
  • Scarlet fever
  • Psittacosis
  • Q fever
  • Diphtheria

Question 34

Question
What is the etiological agent for the disease that has catarrhal, paroxysmal, and convalescence stages?
Answer
  • Haemophilus influenza
  • Streptococcus pyogenes
  • Burkholderia pseudomallei
  • Bordetella pertussis

Question 35

Question
Walking pneumonia is caused by
Answer
  • Legionella pneumophilia
  • Chlamydophila pneumoniae
  • Mycoplasma pneumoniae
  • Streptococcus pneumoniae

Question 36

Question
Which of the following is/are NOT considered part of the lower respiratory system?
Answer
  • Trachea
  • Larynx
  • Pharynx
  • Bronchial tubes

Question 37

Question
Which intracellular bacterium is the cause of Q fever?
Answer
  • Burkholderia pseudomallei
  • Rickettsia rickettsia
  • Legionella pneumophila
  • Coxiella burnetii

Question 38

Question
Which disease can be identified by the presence of elementary bodies inside host cells?
Answer
  • Psittacosis
  • Pontiac fever
  • Melioidosis
  • Legionellosis

Question 39

Question
Typical pneumonia is caused by which bacterium?
Answer
  • Haemophilus influenza
  • Streptococcus pneumoniae
  • Mycoplasma pneumoniae
  • Legionella pneumophila

Question 40

Question
Several serious fungal infections affect the lower respiratory system mainly because fungi
Answer
  • Are dimorphic
  • Are opportunistic
  • Produce airborne spores
  • Produce toxic proteins

Question 41

Question
Which of the following is an accessory structure of the digestive tract?
Answer
  • Pharynx
  • Stomach
  • Liver
  • Mouth

Question 42

Question
Approximately what percentage of the immune system is located in the intestinal tract?
Answer
  • 20%
  • 40%
  • 60%
  • 80%

Question 43

Question
The population of microorganisms in the large intestine is composed mostly of
Answer
  • Aerobes and anaerobes
  • Anaerobes and facultative anaerobes
  • Aerobes and facultative anaerobes
  • Aerotolerant anaerobes

Question 44

Question
Paneth cells, which are capable of phagocytizing bacteria, are found in the
Answer
  • Small intestine
  • Large intestine
  • Stomach
  • Pancreas

Question 45

Question
Severe diarrhea accompanied by blood or mucus is called
Answer
  • Food poisoning
  • Intoxication
  • Gastroenteritis
  • Dysentery

Question 46

Question
Bacillary dysentery is caused by
Answer
  • Staphylococcus
  • Shigella
  • Salmonella
  • Clostridium

Question 47

Question
Pinworm disease is caused by
Answer
  • Taenia solium
  • Echinococcus granulosus
  • Necator americanus
  • Enterobius vermicularis

Question 48

Question
The portal of entry for the larvae of hookworms is the
Answer
  • Skin
  • Mouth
  • Blood
  • Lymph

Question 49

Question
It is quite common to ingest aflatoxin when one eats
Answer
  • Fruit
  • Meat
  • Peauts
  • Cheese

Question 50

Question
The treatment for viral gastroenteritis, such as norovirus or rotavirus, is usually
Answer
  • Antitoxins
  • Oral rehydration
  • Antibiotics
  • Antiviral agents

Question 51

Question
Which form of hepatitis kills more people in the US than AIDS_
Answer
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Hepatitis E

Question 52

Question
In 20-40% of men past puberty, the mumps virus can cause
Answer
  • Orchitis
  • Liver damage
  • Fever
  • Death
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