Adenoviruses are one of the most common etiologic agents of lower respiratory tract infection among:
a. previously healthy patients 2 months to 5 years of age.
b. adults younger than 30 years of age.
c. community-acquired pneumonia in adults.
d. school-age children.
A
Community-acquired pneumonia is a common and potentially serious infection that afflicts children. Among previously healthy patients 2 months to 5 years of age, respiratory syncytial virus, human metapneumovirus, parainfluenza, influenza, and adenoviruses are the most common etiologic agents of lower respiratory tract disease.
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There are three alleles at a specific locus in a population of humans. Alleles D1, D2, and D3 with frequencies 0.42, 0.30, and 0.28 respectively
t or f or cannot determine: This population is triploid. t or f or cannot determine: Allele D1 is dominant. t or f or cannot determine: Individuals with alleles D2 or D3 should mutate to D1 because its high frequency indicates it is advantageous. What will be an ideal response?
Since newborns have an underdeveloped ____, it is important to monitor their diet and exposure to environmental
chemicals.
a. taste buds b. basilar membrane c. somatosensory cortex d. statocysts e. blood-brain barrier
A disulfide bond is formed between _______ residues.
a. cysteine b. glycine c. methionine d. tyrosine
glycogen
What will be an ideal response?