Viruses — Flashcards

Flashcard 541: Does VZV display vertical transmission?_____

Answer: Yes

Flashcard 542: _____ is a viral envelope protein that allows for mature virion release

Answer: Neuraminidase

Flashcard 543: _____ is the only single-stranded DNA virus

Answer: Parvovirus B19

Flashcard 544: Which family of viruses includes measles?_____

Answer: Paramyxovirus

Flashcard 545: What is the second most common cause of the common cold?_____

Answer: Coronavirus

Flashcard 546: Norovirus is associated with consumption of _____

Answer: shellfish (ie: oysters)

Flashcard 547: What virus is the most common cause of the common cold?_____

Answer: Rhinovirus

Flashcard 548: What type of viruses are Flaviviruses? (DNA, RNA (sense), etc.)_____

Answer: Positive sense RNA

Flashcard 549: Which virus characteristically causes destruction of the anterior horn cells of the spinal cord, leading to asymmetric flaccid paralysis?

Answer: Poliovirus

Extra: Poliomyelitis is caused by the poliovirus (a Picornavirus). It specifically targets the lower motor neurons in the anterior horns of the spinal cord, resulting in lower motor neuron (LMN) signs such as asymmetric flaccid paralysis, muscle atrophy, fasciculations, and hyporeflexia.

Flashcard 550: Antigenic _____ explains why we need a flu shot each year

Answer: drift