13088936
Frage 1
Frage
The waterproofing protein in the skin is called
Antworten
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Dermicidin
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Keratin
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Melanin
-
Lysozyme
Frage 2
Frage
The types of gram-positive cocci that make up the skin’s normal microbiota are
Antworten
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Staphylococci and micrococci
-
Staphylococci and streptococci
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Micrococci and streptococci
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Streptococci and enterococci
Frage 3
Frage
Which of these organisms is a diphtheroid that inhabits hair follicles?
Antworten
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Propionibacterium acnes
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Malassezia furfur
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Streptococcus pyogenes
-
Staphylococcus aureus
Frage 4
Frage
What protective substance(s) of the skin is/are capable of breaking down the cell walls of certain bacteria?
Antworten
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Perspiration
-
Antimicrobial peptides
-
Sebum
-
Lysozyme
Frage 5
Frage
Which of the following is thought to be responsible for causing dandruff?
Antworten
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Malassezia furfur
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Propionibacterium acnes
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Staphylococcus aureus
-
Staphylococcus epidermidis
Frage 6
Frage
What is the MOST common bacterial cause of conjunctivitis?
Antworten
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Neisseria gonorrhoeae
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Chlamydia trachomatis
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Haemophilus influenza
-
Streptococcus pyogenes
Frage 7
Frage
Which disease is thought to be the MOST common cause of infectious blindness in the United States?
Antworten
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Herpetic keratitis
-
Trachoma
-
Acanthamoeba keratitis
-
Inclusion conjunctivitis
Frage 8
Frage
Ophthalmia neonatorum is caused by
Antworten
-
Neisseria gonorrhoeae
-
Pseudomonas aeruginosa
-
Haemophilus influenza
-
Acanthamoeba
Frage 9
Frage
Using a homemade saline solution for contact lenses can result in
Antworten
-
Acanthamoeba keratitis
-
Trachoma
-
Opthalmia neonatorum
-
Inclusion conjunctivitis
Frage 10
Frage
Which disease was probably the FIRST documented connection between a microscopic microorganism and a disease in humans?
Antworten
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Scabies
-
Pediculosis
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Candidiasis
-
Sporotrichosis
Frage 11
Frage
In the brain, cerebrospinal fluid flows through the
Antworten
-
Dura mater
-
Subarachnoid space
-
Arachnoid mater
-
Pia mater
Frage 12
Frage
What is the order of the layer of meninges from the innermost to the outermost?
Antworten
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Arachnoid mater, dura mater, pia mater
-
Dura mater, arachnoid mater, pia mater
-
Pia mater, dura mater, arachnoid mater
-
Pia mater, arachnoid mater, dura mater
Frage 13
Frage
Inflammation of the brain is called
Antworten
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Meningitis
-
Encephalitis
-
Neuritis
-
Hydrocephalus
Frage 14
Frage
Drugs can cross the blood-brain barrier ONLY if they are
Antworten
-
Large-molecular-weight molecules
-
Small-molecular-weight molecules
-
Water-soluble
-
Lipid-soluble
Frage 15
Frage
In the United States, the MOST common cause of rabies in humans is from
Antworten
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Raccoons
-
silver-haired bats
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Dogs
-
Honey badgers
Frage 16
Frage
Which type of arboviral encephalitis was introduced to the United States in 19999 and is maintained in a bird-mosquito-bird cycle?
Antworten
-
Eastern equine encephalitis
-
Japanese encephalitis
-
West Nile virus
-
California encephalitis
Frage 17
Frage
Which disease is transmitted via ingestion of contaminated water and can cause paralysis?
Antworten
-
Rabies
-
Japanese encephalitis
-
West Nile encephalitis
-
Polio
Frage 18
Frage
To sterilize instruments contaminated with prions, you should use
Antworten
-
Dry heat
-
Routine autoclaving
-
UV light
-
A strong solution of sodium hydroxide
Frage 19
Frage
A prion is a(n)
Antworten
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Abnormally folded protein
-
Protein subunit
-
Form of a bacterium
-
Viral particle
Frage 20
Frage
Which bacterium is known to cause stillbirth and neurological disease in animals?
Antworten
-
Listeria monocytogenes
-
Streptococcus pneumoniae
-
Clostridium botulinum
-
Haemophilus influenza
Frage 21
Frage
The causative agent of plague is
Antworten
-
Francisella tularensis
-
Yersinia pestis
-
Borrelia burgdorferi
-
Rickettsia prowazekii
Frage 22
Frage
Which stage of the Plasmodium protozoan infects the red blood cells of humans?
Antworten
-
Schizont
-
Merozoite
-
Sporozoite
-
Gametocyte
Frage 23
Frage
The MOST dangerous form of malaria is caused by
Antworten
-
Plasmodium ovale
-
Plasmodium malariae
-
Plasmodium falciparum
-
Plasmodium vivax
Frage 24
Frage
Clostridium perfringens is the cause of
Antworten
-
Gas gangrene
-
Puerperal sepsis
-
Brucellosis
-
Rat-bite fever
Frage 25
Frage
A bull’s eye rash is a common symptom of which disease?
Antworten
-
Epidemic typhus
-
Lyme disease
-
Rocky Mountain spotted fever
-
Tularemia
Frage 26
Frage
Rheumatic fever is an autoimmune complication caused by a ________ infection.
Antworten
-
Staphylococcus aureus
-
Francisella tularensis
-
Brucella melitensis
-
Streptococcus pyogenes
Frage 27
Frage
Typhus fever, caused by Rickettsia prowazekii, is transmitted by
Antworten
-
Ticks
-
Human body lice
-
Fleas
-
Mites
Frage 28
Frage
Which of the following is NOT transmitted by Aedes mosquitoes?
Antworten
-
Malaria
-
Yellow fever virus
-
Dengue fever virus
-
Chikungunya virus
Frage 29
Frage
What is the usual route of transmission for mononucleosis?
Antworten
-
Contaminated blood
-
Mosquitoes
-
Aerosols
-
Transfer of saliva
Frage 30
Frage
The natural host reservoir for Ebola virus is the
Antworten
-
Fruit bat
-
Mosquito
-
Fat
-
Green Monkey
Frage 31
Frage
Which antibodies in tears, saliva, and mucus help protect mucosal surfaces from many pathogens?
Antworten
-
IgD
-
IgA
-
IgG
-
IgM
Frage 32
Frage
The most threatening infectious disease of the upper respiratory tract is
Antworten
-
Epiglottitis
-
Pharyngitis
-
Laryngitis
-
Sinusitis
Frage 33
Frage
Which disease forms a tough grayish membrane in the throat?
Antworten
-
Scarlet fever
-
Psittacosis
-
Q fever
-
Diphtheria
Frage 34
Frage
What is the etiological agent for the disease that has catarrhal, paroxysmal, and convalescence stages?
Antworten
-
Haemophilus influenza
-
Streptococcus pyogenes
-
Burkholderia pseudomallei
-
Bordetella pertussis
Frage 35
Frage
Walking pneumonia is caused by
Antworten
-
Legionella pneumophilia
-
Chlamydophila pneumoniae
-
Mycoplasma pneumoniae
-
Streptococcus pneumoniae
Frage 36
Frage
Which of the following is/are NOT considered part of the lower respiratory system?
Antworten
-
Trachea
-
Larynx
-
Pharynx
-
Bronchial tubes
Frage 37
Frage
Which intracellular bacterium is the cause of Q fever?
Antworten
-
Burkholderia pseudomallei
-
Rickettsia rickettsia
-
Legionella pneumophila
-
Coxiella burnetii
Frage 38
Frage
Which disease can be identified by the presence of elementary bodies inside host cells?
Antworten
-
Psittacosis
-
Pontiac fever
-
Melioidosis
-
Legionellosis
Frage 39
Frage
Typical pneumonia is caused by which bacterium?
Antworten
-
Haemophilus influenza
-
Streptococcus pneumoniae
-
Mycoplasma pneumoniae
-
Legionella pneumophila
Frage 40
Frage
Several serious fungal infections affect the lower respiratory system mainly because fungi
Antworten
-
Are dimorphic
-
Are opportunistic
-
Produce airborne spores
-
Produce toxic proteins
Frage 41
Frage
Which of the following is an accessory structure of the digestive tract?
Antworten
-
Pharynx
-
Stomach
-
Liver
-
Mouth
Frage 42
Frage
Approximately what percentage of the immune system is located in the intestinal tract?
Antworten
-
20%
-
40%
-
60%
-
80%
Frage 43
Frage
The population of microorganisms in the large intestine is composed mostly of
Antworten
-
Aerobes and anaerobes
-
Anaerobes and facultative anaerobes
-
Aerobes and facultative anaerobes
-
Aerotolerant anaerobes
Frage 44
Frage
Paneth cells, which are capable of phagocytizing bacteria, are found in the
Antworten
-
Small intestine
-
Large intestine
-
Stomach
-
Pancreas
Frage 45
Frage
Severe diarrhea accompanied by blood or mucus is called
Antworten
-
Food poisoning
-
Intoxication
-
Gastroenteritis
-
Dysentery
Frage 46
Frage
Bacillary dysentery is caused by
Antworten
-
Staphylococcus
-
Shigella
-
Salmonella
-
Clostridium
Frage 47
Frage
Pinworm disease is caused by
Antworten
-
Taenia solium
-
Echinococcus granulosus
-
Necator americanus
-
Enterobius vermicularis
Frage 48
Frage
The portal of entry for the larvae of hookworms is the
Antworten
-
Skin
-
Mouth
-
Blood
-
Lymph
Frage 49
Frage
It is quite common to ingest aflatoxin when one eats
Antworten
-
Fruit
-
Meat
-
Peauts
-
Cheese
Frage 50
Frage
The treatment for viral gastroenteritis, such as norovirus or rotavirus, is usually
Antworten
-
Antitoxins
-
Oral rehydration
-
Antibiotics
-
Antiviral agents
Frage 51
Frage
Which form of hepatitis kills more people in the US than AIDS_
Antworten
-
Hepatitis A
-
Hepatitis B
-
Hepatitis C
-
Hepatitis E
Frage 52
Frage
In 20-40% of men past puberty, the mumps virus can cause
Antworten
-
Orchitis
-
Liver damage
-
Fever
-
Death
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