Quiz
Week 3
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Perguntas do quiz (18)
1Aspergillus fumigatus is a fungal pathogen present in our environment that
- Ais a mosquito-borne pathogen
- BCauses respiratory illness via antibody deposition in tissues
- CIs a common cause of respiratory infection in immunocompetant individuals
- DIs a common cause of gastroenteritis
- ECan cause disseminated in immunocompromised individuals
2Identify the correct statement. Influenza A
- Aonly infects and causes disease in water birds
- BIs a mosquito-borne arbovirus
- Conly infects people with immunosuppression
- Dshows seasonal variation in the circulating H/N subtype
- Ehas pathogenic effects via release of a neurotoxin
3Identify the incorrect statement. Ross River Virus infection can result in
- Aproduction of an enterotoxin that destroys the synovial epithelium
- Brecruitment of inflammatory cells into the joints
- CAn acute infectious syndrome with persisting arthralgia
- Dproduction of cytokines and chemokines in the joints
- EA joint inflammation with similar pathology to arthritis
4Microbial-induced pathogenesis can result as a consequence of
- Athe release of microbial toxins
- Bdirect cytopathic effects of microrganisms
- Cimmunosuppression
- Dindirect toxicity via stimulation of the immune system
- Eall of the above
5Pathogenic EHEC is an E. coli strain that
- Ais usually a nosocomial infection
- Bproduces a neurotoxin
- Cproduces an enterotoxin
- Dproduces sialic acid
- Erises from the normal E. coli flora of the throat
6Shiga-toxigenic E.coli (STEC)
- Ais transmitted mainly by the aerosol route of infection
- Bis associated with gastroenteritis and HUS
- Ccan only cause disease in immunocompromised individuals
- Dproduces a neuraminidase that is toxic to kidney cells
- Eall of the above
7The immunopathogenesis seen following some microbial infections, such as influenza can be caused by
- AA hypersensitivity reaction
- BUncontrolled, overactivation of the immune system
- CInappropriate administration of anti-virals
- DPrior exposure to a vaccine
- Eadministration of antibiotics
8The outcome and severity of influenza infection can be influenced by
- Aprior vaccination
- Bthe genetic properties of the virus
- Cthe receptor binding properties of the virus
- Dadministration of anti-viral therapy
- Eall of the above
9Convective heat loss occurs when
- Aa cooler object rests on the bodyʹs surface.
- BAll of the answers are correct.
- Cwarm air rises from the bodyʹs surface.
- Dwater evaporates from the skinʹs surface.
- Eone swims in water below body temperature.
10Heat loss is promoted by
- Asweating and dilation of cutaneous blood vessels.
- Bnonshivering thermogenesis.
- Csweating, dilation of cutaneous blood vessels, and nonshivering thermogenesis.
- Dsweating.
- Edilation of cutaneous blood vessels.
11Most heat is lost from the body through the process of
- Aconvection.
- Bconduction.
- Cevaporation.
- Dconcentration.
- Eradiation.
12Often a person with a fever will feel cold, have chills, and may actually start shivering. Which statement explains this phenomenon?
- APyrogens released by white blood cells decrease core temperature leading to hypothermia.
- BThe body temperature falls below room temperature so the person suddenly feels cold
- CFever stimulates the release of acetylcholine which causes contraction in muscle.
- DThe thermoregulatory center increases the set point for core temperature.
- EPathogens that are causing the fever absorb heat and decrease the core temperature.
13Prolonged exposure to a cold environment can cause
- Anormothermia.
- Bhyperthermia.
- Cectothermia.
- Dpoikilothermia.
- Ehypothermia.
14Specific responses to changes in body temperature are regulated by the
- Askin.
- Bhypothalamus.
- Ccardiac output.
- Dthermoreceptors.
- Emedulla oblongata.
15The primary mechanism by which our bodies can increase heat production in a cold environment is to
- Asweat
- Bshiver.
- Crelease epinephrine
- Dproduce pyrogen
- Evary the rate of blood flow to the skin
16The primary mechanism for regulating body temperature is to
- Avary the rate of blood flow to the skin.
- Brelease epinephrine.
- Cshiver.
- Dproduce pyrogens.
- Esweat.
17What condition occurs when heat production exceeds heat loss?
- Anormothermia
- Bectothermia
- Cpoikilothermia
- Dhypothermia
- Ehyperthermia
18What is the ultimate cause of the increase in body temperature associated with an infection (fever)?
- Adecrease in skin blood flow
- Bincreased error signal
- Cchange in the thermoregulatory integrator from one area of the brain to another
- Dincreased rate of sweating
- Epyrogen-induced upward movement of the set point
Informações
- Descrição
- Pathophys (Quiz) Quiz sobre Week 3, criado por Optom Life em 19-06-2017.
- Autor
- Optom Life
- Idioma
- English
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