The specimen of choice to collect in suspected cases of respiratory syncytial virus (RSV) is:
a. buccal mucosa.
b. sputum.
c. throat.
d. nasopharyngeal.
D
Nasopharyngeal aspirates are superior, in general, to throat or nasopharyngeal swabs for reco-vering viruses; however, swabs are considerably more convenient. Throat swabs are acceptable for the recovery of enteroviruses, adenoviruses, and human simplex virus (HSV), whereas naso-pharyngeal swab or aspirate specimens are preferred for the detection of RSV, influenza, and parainfluenza viruses.
You might also like to view...
Knockout mice have been genetically altered to knock out specific genes. How are these mice most often used in research?
A) to study DNA replication in the defective genes (those that have been altered) B) to determine the role of proteins coded for by those genes that are knocked out C) to examine defects in DNA structure in those regions that have been altered D) to study the effect of radiation on DNA
Which one of the following oligonucleotides would base pair with this sequence?
GATCCATACGATACTGATTCAGAAATTTCCATACTAGACATCATATTCGACTTCAAATTGG Remember that nucleic acid sequences are written 5'??3' unless told otherwise. A. GATTAAAT B. TACTAGG C. TTTGAAG D. ACTAGATC E. CAATCCAG
The most diverse of the four eukaryotic kingdoms is the
A. Protista Kingdom. B. Bacteria Kingdom. C. Plantae Kingdom. D. Animalia Kingdom.
__________ is the process by which a single-stranded DNA is synthesized using RNA as the template
a. transcription b. reverse transcription c. replication d. transformation e. None of the above