PCR 14-1

The virus to cause a common cold most commonly is ______.

Rhinovirus

nonenveloped double stranded DN

Adenovirus

+ss RNA virus

Rhinovirus

thrive in the lower temperature of the nose

Rhinovirus

complicated by acute febrile pharyngitis, pharyngoconjunctival fever, and pneumonia

Adenovirus

more than 200 different virus strains

Rhinovirus

Upper respiratory tract has the following defense mechanisms of ___ .

mucociliary clearance, interferon, lactoferin, cytokines, sneezing, cough, macrophages

Streptococcus pyogenes can cause

pharyngitis, Scarlet fever, Rheumatic fever, acute glomerulonephritis

___ in Streptococcus pyogenes can cause Rheumatic fever.

M Protein

Diphtheria can be managed by

penicillin, erythromycin to eradicate the pathogen, antitoxin to neutralize exotoxin, DTaP vaccination for newborns

The acute otitis media is caused by ___ most commonly

Streptococcus pneumoniae, Haemophilus influenzae

prepared with toxins extracted from B. pertussis cells

DTaP

recommended as a booster dose for children at age 11 or 12 and as an every 10-year booster for those over 20 years of age

Tdap

made of B. pertussis cells killed by merthiolate

DTP

strikes every year but is less common than influenza type A

Influenza B

an abrupt major changes in structure to influenza A viruses

Antigenic Shift

helps to release virions from the host cell after replication and assembly

Neuraminidase

helps the virion to attach and penetrate host cells

Hemagglutin

small changes in genes by minor point mutation during RNA replication

Antigenic Drift

strikes every year and causes most epidemics

Influenza A

causes a mild respiratory illness but not epidemics

Influenza C