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W09 Micro2
Exam 2
94
Other
Professional
03/10/2009

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Term
upper
Definition
The common cold, pharyngitis, laryngitis and influenza are all (upper/lower) respiratory infections.
Term
lower
Definition
Croup, tracheobronchitis, bronchiolitis and pneumonia are all (upper/lower) respiratory infections.
Term
True
Definition
T/F: The common cold, influenza, croup and tracheobronchitis are all caused by viruses.
Term
True
Definition
T/F: Pharyngitis, laryngitis, bronchiolitis and pneumonia can be caused by both viruses and bacteria.
Term
True
Definition
T/F: Fever is rare with the common cold.
Term
rhinorrhea and nasal obstruction
Definition
___ and ___ are the most common complaints with patients suffering from the common cold.
Term
rhinovirus and coronavirus
Definition
___ and ___ are the two major viruses responsible for the common cold.
Term
rhinovirus (Rhino begins with R = RNA; rhinos don't need envelopes = unenveloped)
Definition
____ is a common-cold causing virus from the family Picornaviridae. It is a non-enveloped RNA virus.
Term
Picornaviridae
Definition
___ is a family of small RNA viruses including rhinovirus.
Term
coronavirus
Definition
___ are common cold causing viruses that come from the family coronaviridae. They are enveloped RNA viruses.
Term
rhinoviruses
Definition
___ peak in late spring/early fall and account for more summer colds. They cause a localized infection limited to the nose
Term
h. influenza / s. pneumoniae
Definition
Bacterial sinusitis is caused by ____ ____. Bacterial otitis media is caused by ___ ___. These are complications of a rhinovirus cold.
Term
rhinovirus
Definition
___ is not a good candidate for a vaccine because secretory IgA is required for protection and it has a short half life. Also, there are multiple serotypes and apparent antigenic drift. The most promising antigen is inaccessible to antibody.
Term
coronaviridae
Definition
___ in man causes URT disease and enteric disease in infants.
Term
coronavirus
Definition
A ___ cold's IP is longer and the duration of the illness is somewhat shorter than the other virus that causes the common cold. Asymptomatic infections are common and it is primarily seen in winter and early spring.
Term
severe acute respiratory syndrome
Definition
___ ___ ___ ___ is an acute respiratory distress syndrome and can be fatal.
Term
orthomyxoviridae
Definition
_____ are single-stranded RNA that is segmented. You would see 7-8 segments in the nucleus. It is helical with an envelope that contains two glycoprotein spikes.
Term
hemagglutinin and neuraminidase
Definition
____ and ___ are the two glycoproteins found on orthomyxoviruses.
Term
hemagglutinin / neuraminidase
Definition
____ causes RBCs to stick together. This is orthomyxoviridae's viral attachment protein. ____ is an enzyme that keeps the virus from sticking together and assists in exiting from host cells.
Term
A
Definition
Influenza virus __ infects humans, swine, horses, marine mammals and birds.
Term
hemagglutinin
Definition
____ is a VAP which promotes fusion of a viral envelope to the cell membrane. It also agglutinates RBCs and elicits a protective neutralizing antibody response.
Term
hemagglutinin
Definition
___ mutations derived changes responsible for antigenic drift/shift. There are 15 subtypes.
Term
1-3
Definition
H_/_/_ are major hemagglutinin subtypes infecting man.
Term
H5N1
Definition
H_N_ is the strain of avian infection that was transmitted to humans in 1998.
Term
neuraminidase
Definition
___ cleaves sialic acid on glycoproteins. It also prevents clumping and appears to facilitate the release of virions from infected cells. There are 9 subtypes.
Term
N1/2
Definition
N_/_ are responsible for disease in man.
Term
mutation = genetic drift, reassortment = genetic shift
Definition
Mutation --> genetic ____ resulting in new strains. Two strands infect single cell and reassortment of segments --> genetic ___ which promotes pandemics.
Term
pandemics / epidemic
Definition
__ are world-wide whereas ___ are local outbreaks of infection.
Term
influenza
Definition
____'s systemic symptoms include fever, malaise, chills, headache, and anorexia. It's respiratory symptoms include a dry cough, coryza, pharyngitis and horseness.
Term
coryza
Definition
___ is congestion and is a symptom of respiratory influenza.
Term
cardiovascular disease
Definition
Patients with ___ disease often experience viral pneumonia progressing from class influenza. It may also be seen in healthy young patients.
Term
secondary bacterial pneumoniae
Definition
___ ___ ___ is seen in elderly or debilitated patients suffering from chronic pulmonary disease. It is caused by strep penumoniae, staph aureus and h. influenzae as a complication of influenza.
Term
6-59 months, 50yrs+
Definition
Children aged ___-___ months, pregnant women, people ___ yrs+ or people with certain chronic medical conditions are deemed high risk for complications or severe disease and should be vaccinated for influenza. Caregivers for these groups of people should also be vaccinated.
Term
2nd-3rd
Definition
Women who will be in which trimesters of their pregnancy during flu season should be vaccinated?
Term
6months - 18 yrs
Definition
The influenza vaccine is recommended for people __ months -__ yrs of age, people in the high risk categories and people caring for those high risk patients.
Term
8 days!
Definition
Time of death from onset of symptoms of the avian flu is ___ ___. Symptoms include fever, cough, dypsnea, diarrhea
Term
oseltamivir and zanamivir
Definition
The antivirals ___ and ___ are the treatment of choice for symptomatic avian flu.
Term
amantadine and rimantadine
Definition
____ and ____ are effective against influenza A viruses only.
Term
neuraminidase inhibitors
Definition
____ inhibitors interfere with the release of virions from host cells. These drugs are approved for treatment of influenza A and B infections.
Term
zanamivir and oseltamivir (aka tamiflu)
Definition
___ and ___ are neuraminidase inhibitors.
Term
zanamivir / oseltamivir
Definition
___ is a neuroaminidase inhibitor that is inhaled while ___ is given orally in pill form.
Term
1st true, 2nd false! It has adverse reactions that are similar to symptoms of influenza.
Definition
T/F: Zanamivir treats influenza with a dosage of bid -- 5 days. It has no adverse reactions.
Term
H5N1
Definition
H__N__ virus is resistant to amatadine and rimantadine so a neuraminidase inhibitor is recommended.
Term
1. allergy to eggs 2. severe reaction to influenza vaccine in past 3. infants less than 6 months
Definition
What are some contraindications for patients considering the live/attenuated influenza vaccine?
Term
False!
Definition
T/F: Antiviral agents for influenza are an adequate substitute for the vaccine.
Term
killed = IM, live = intranasally
Definition
The inactivated vaccine is given (intranasally/IM) and cannot cause the flu. The live/attenuated vaccine is given (intranasally/IM) and may cause mild illness.
Term
H1N1
Definition
The H__N__ virus was responsible for the 1918 influenza pandemic.
Term
adenoviruses
Definition
Pharyngoconjunctival fever is caused by ___viruses. The outbreaks occur mostly in summer and cause an acute onset conjunctivitis/pharyngitis/rhinitis/cervical adenitis/fever lasting 3-5 days.
Term
adenoviruses
Definition
Epidemic keratoconjunctivitis is caused by ____viruses and is spread via roller towels and ophthalmic solutions. It is frequently bilateral.
Term
ocular
Definition
Adenoviruses, Enteroviruses/echoviruses, HSV, VZV, cytomegalovirus and vaccinia all cause ___ viral infections.
Term
paramyxoviridae
Definition
___ is not segmented and replicates entirely in the cytoplasm. Viruses causing measles, mumps, parainfluenza and respiratory syncytial virus are part of this family.
Term
parainfluenza
Definition
Reinfection of ____ viruses (family paramyxovirus) occur in adults. It is an URTI.
Term
respiratory syncytial
Definition
___ ___ virus (family paramyxoviridae) is a LRTI that occurs annually in winter. It is prevalent in young children and is highly contagious.
Term
Ribavirin
Definition
___ was approved for treatement of RSV infection in children.
Term
mumps, caused by paramyxovirus
Definition
___ is also known as epidemic parotitis with an IP of 2-3 weeks. Symptoms include earache and tenderness/enlargement of salivary gland.
Term
71% = common, 34% = plantar
Definition
71% of cutaneous HPV are ___ warts and 34% are ___ warts.
Term
3-4 months
Definition
Warts have an IP of __-__ months. Virions are released as dead keratinocytes are shed.
Term
common = 1/2; condyloma acuminatum = 6/11
Definition
Common/plantar warts are caused by HPV __/__. Condyloma acuminatum (found in genital tract and oral cavity) is caused by HPV __/__.
Term
human papillomaviruses
Definition
___ ___ cause epithelial tumors of the skin and mucous membranes and have been associated with genital tract malignancies such as cervical cancer.
Term
papovaviridae
Definition
___ family contains papillomaviruses and polyoma viruses. It is nonenveloped, icosahedral and contains double stranded DNA.
Term
Roseola infantum
Definition
___ ___ is the major cause of febrile seizures in infants. It is more commonly manifested by infantile fever without a rash.
Term
roseola, roseola infantum
Definition
___ is caused by human herpesvirus 6 and may be continuously shed in saliva. It is also known as ___ infantum/6th disease and may correspond with 3-5 days of a high fever.
Term
parvovirus B19
Definition
Viremia of ___ ___ coincides with the prodrome. Once the rash appears, the child is no longer infectious.
Term
parvovirus B19
Definition
___ ___ has no suitable method of virus isolation and is generally diagnosed by rash.
Term
fetal infection leading to death
Definition
What is the main concern of Parvovirus B19?
Term
Arthropathy
Definition
Parvovirus B19 can cause ___ in women mainly in small joints and lasts 1-3 weeks.
Term
erythema infectiosum
Definition
During the 2nd stage of ___ ___ presents with a lacey rash and the child is no longer infectious.
Term
erythema infectiosum
Definition
___ ___ is also known as 5th disease and usually presents as a mild rash of short duration. Its IP is 2 weeks with a nonspecific prodrome. 2-5 days following prodrome child has slap-cheek rash and circumoral pallor.
Term
parvovirus B19
Definition
___ ___ affects children in temperate climates and is generally spread by respiratory route.
Term
aplastic crisis, persistent anemia
Definition
Parvovirus may lead to ___ in patients with high RBC turnover rate and ____ in immunocompromised patients.
Term
parvovirus B19
Definition
____ ___ is acute and self-limited which may lead to aplastic crisis in patients with high RBC turnover or persistent anemia in immunocompromised patients.
Term
Parvoviridae, Parvovirus B19
Definition
The family ____ is responsible for the smallest of all human DNA viruses. ____ ___ is a member that causes bocavirus (LRTIs) in children.
Term
herpangina
Definition
___ is caused by group A/B coxsackieviruses. It manifests into a vescicular enanthem of fauces and soft palate and causes summer outbreaks in children.
Term
coxsackievirus A16
Definition
Hand/foot/mouth lesions disease is caused by ____virus A16. It has a distinctive vesicular eruption on the buccal mucosa, tongue, and hard palate. 75% of patients also have cutaneous lesions mostly on hands/feet.
Term
Occur in summer
Definition
Exanthems and enanthems are often seen in ___ as epidemics. They are highly contagious and caused by a variety of enteroviruses.
Term
enterovirus
Definition
___ are stable at pH 3 and are part of the family Picornaviridae. They cause conjunctivitis and hand/foot/mouth disease among other things.
Term
Picornaviridae
Definition
Enteroviruses and rhinoviruses are part of the family ____.
Term
picornaviridae
Definition
____ are icosahedral and non-enveloped. They replicate in the cytoplasm and contain entereoviruses and rhinoviruses.
Term
Live attenuated vaccine for MMR
Definition
Measles, Mumps and Rubella are all vaccinated by a (live/killed) vaccine.
Term
Rubella / German Measles caused by Togaviridae
Definition
A high arched palate, delated tooth eruption and enamel dysplasia are all manifestations of congenital ____.
Term
Rubella / German Measles caused by Togaviridae
Definition
___ is a systemic infection with an IP of 2-3 weeks that is often asymptomatic. The patient may have petechial lesions on the palate and the virus sheds for approximately 1 month.
Term
Rubella / German Measles caused by Togaviridae
Definition
___ = also also known as German measles, is caused by a family of viruses called Togaviridae. It causes severe birth defects when infection occurs during the 1st/2nd trimester.
Term
measles, caused by morbillivirus
Definition
___ is present in the saliva 3-4 days before and 2-3 days after the rash appears. It may lead to otitis media, which is the most common complication.
Term
measles, caused by morbillivirus
Definition
___ = rubeola which causes a systemic infection with an IP of 9-14 days. The prodome includes intraoral lesions known as Koplik's spots and a maculopapular rash.
Term
exanthem, enanthem
Definition
__anthem = rash ouside on skin, __anthem = rash inside/intraoral
Term
macule, papule, vesicle, pustule, crust/ulcer
Definition
CHARACTERISTICS OF VIRAL RASHES: ___ = red, ___ = raised, ___ = contain clear liquid, ___ = contain milky liquid, ___/___ = last stage - dealing with skin/mucous membranes.
Term
mumps, caused by paramyxovirus
Definition
___ is present in the saliva for 1-6 days before and 4-5 days after the onset of parotitis. It was the most common cause of meningitis before the vaccine was discovered. Also causes epididymoorchitis in postpubertal males.
Term
ribavirin
Definition
___ treats respiratory syncytial virus and is used for passive immunization in premature infants.
Term
Respiratory syncytial virus
Definition
___ ___ virus is a LRTI that occurs annually in winter. It is highly contagious and virtually all children have been infected by the age of 4yrs.
Term
parainfluenza viruses
Definition
Reinfections of ___ viruses occur in adults with milder symptoms.
Term
parainfluenza viruses
Definition
Laryngotracheobroncitis (croup), pneumonia/bronchilitis and URTIs are all ____ viruses caused by paramyxyovirus.
Term
cytoplasm
Definition
Paramyxoviridae replicate entirely in the ____.
Term
morbillivirus, paramyxovirus, pneumovirus
Definition
Human paramyxoviruses include ___ (measles), ___ (mumps/parainfluenza virus) and ___ (respiratory syncytial virus).
Term
Morbillivirus = measles, paramyxovirus = mumps and parainfluenza, pneumovirus = respiratory syncytial
Definition
Morbillivirus causes ___. Paramyxovirus causes ___ and ___ viruses. Pneuomovirus causes ___ ___ virus.
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