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